247 files changed, 52124 insertions, 46709 deletions

diff --git a/.build.yml b/.build.yml
index c0486e1..1b976cc 100644
--- a/.build.yml
+++ b/.build.yml
@@ -95,7 +95,7 @@ before_scripts:
 
 build_scripts:
   - if [ ${DISTRO_NAME} == "debian" ];then
-  -     export CFLAGS+=" -Wsign-compare -Wunused-parameter"
+  -     export CFLAGS+=" -Wsign-compare"
   -     cppcheck --enable=warning,style,performance,portability,information,missingInclude .
   - fi
 
diff --git a/.travis.yml b/.travis.yml
index 22b2437..4fdcc99 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 # vim: set ts=2 sts=2 sw=2 expandtab :
-dist: focal
+dist: jammy
 language: shell
 os: linux
 services:
diff --git a/.tx/config b/.tx/config
index c8ef3d3..6bd051e 100644
--- a/.tx/config
+++ b/.tx/config
@@ -1,17 +1,17 @@
 [main]
 host = https://www.transifex.com
- 
-[MATE.master--mate-calc]
-file_filter = po/<lang>.po
-source_file = mate-calc.pot
-source_lang = en
-type = PO
+
+[o:mate:p:MATE:r:master--mate-calc]
+file_filter  = po/<lang>.po
+source_file  = mate-calc.pot
+source_lang  = en
+type         = PO
 minimum_perc = 2
 
-[MATE.master--mate-calc-user-guide]
-file_filter = help/<lang>/<lang>.po
-source_file = help/mate-calc.pot
-source_lang = en
-type = PO
+[o:mate:p:MATE:r:master--mate-calc-user-guide]
+file_filter  = help/<lang>/<lang>.po
+source_file  = help/mate-calc.pot
+source_lang  = en
+type         = PO
 minimum_perc = 2
 
diff --git a/.tx/config_20221024111755.bak b/.tx/config_20221024111755.bak
new file mode 100755
index 0000000..c8ef3d3
--- /dev/null
+++ b/.tx/config_20221024111755.bak
@@ -0,0 +1,17 @@
+[main]
+host = https://www.transifex.com
+ 
+[MATE.master--mate-calc]
+file_filter = po/<lang>.po
+source_file = mate-calc.pot
+source_lang = en
+type = PO
+minimum_perc = 2
+
+[MATE.master--mate-calc-user-guide]
+file_filter = help/<lang>/<lang>.po
+source_file = help/mate-calc.pot
+source_lang = en
+type = PO
+minimum_perc = 2
+
diff --git a/NEWS b/NEWS
index e5fe9de..840273c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,20 @@
+### mate-calc 1.28.0
+
+  * Translations update
+  * Fix implicit function declarations with libxml2 2.12
+  * tx: fix warning in Japanese translations
+
+### mate-calc 1.27.0
+
+  * Translations update
+  * build warning: AC_OUTPUT should be used without arguments
+  * ci: drop -Wunused-parameter compiler cflag from debian build
+  * Use a blank line at most
+  * unit: fix memory leak
+  * cppcheck: function parameters can be declared with cons
+  * parserfunc: fix include guard
+  * Accessibility: use localized button names for screen readers
+
 ### mate-calc 1.26.0
 
   * Translations update
diff --git a/configure.ac b/configure.ac
index 3fa699e..5e1b579 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,6 +1,6 @@
 dnl Process this file with autoconf to produce a configure script.
 AC_PREREQ(2.62)
-AC_INIT([mate-calc], [1.26.0], [https://github.com/mate-desktop/mate-calc/issues],
+AC_INIT([mate-calc], [1.28.0], [https://github.com/mate-desktop/mate-calc/issues],
         [mate-calc], [https://mate-desktop.org])
 
 AM_INIT_AUTOMAKE([1.9 foreign no-dist-gzip dist-xz check-news])
@@ -86,13 +86,14 @@ dnl ###########################################################################
 dnl Files to generate
 dnl ###########################################################################
 
-AC_OUTPUT([
+AC_CONFIG_FILES([
 Makefile
 src/Makefile
 po/Makefile.in
 data/Makefile
 help/Makefile
 ])
+AC_OUTPUT
 
 echo "
 Configure summary:
diff --git a/help/af/af.po b/help/af/af.po
index b2b2222..ec5bb11 100644
--- a/help/af/af.po
+++ b/help/af/af.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Afrikaans (https://www.transifex.com/mate/teams/13566/af/)\n"
+"Language-Team: Afrikaans (https://app.transifex.com/mate/teams/13566/af/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/am/am.po b/help/am/am.po
index 132f8b7..78653a9 100644
--- a/help/am/am.po
+++ b/help/am/am.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: samson <[email protected]>, 2020\n"
-"Language-Team: Amharic (https://www.transifex.com/mate/teams/13566/am/)\n"
+"Language-Team: Amharic (https://app.transifex.com/mate/teams/13566/am/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ar/ar.po b/help/ar/ar.po
index 7b3f57d..c230c10 100644
--- a/help/ar/ar.po
+++ b/help/ar/ar.po
@@ -7,10 +7,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: مهدي السطيفي <[email protected]>, 2018\n"
-"Language-Team: Arabic (https://www.transifex.com/mate/teams/13566/ar/)\n"
+"Language-Team: Arabic (https://app.transifex.com/mate/teams/13566/ar/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/as/as.po b/help/as/as.po
index f97a5e6..f8045f0 100644
--- a/help/as/as.po
+++ b/help/as/as.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Assamese (https://www.transifex.com/mate/teams/13566/as/)\n"
+"Language-Team: Assamese (https://app.transifex.com/mate/teams/13566/as/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ast/ast.po b/help/ast/ast.po
index cb40282..d787d7e 100644
--- a/help/ast/ast.po
+++ b/help/ast/ast.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Asturian (https://www.transifex.com/mate/teams/13566/ast/)\n"
+"Language-Team: Asturian (https://app.transifex.com/mate/teams/13566/ast/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/az/az.po b/help/az/az.po
index 9272619..515fe63 100644
--- a/help/az/az.po
+++ b/help/az/az.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Azerbaijani (https://www.transifex.com/mate/teams/13566/az/)\n"
+"Language-Team: Azerbaijani (https://app.transifex.com/mate/teams/13566/az/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/be/be.po b/help/be/be.po
index 242cb9c..4ac79e2 100644
--- a/help/be/be.po
+++ b/help/be/be.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Mihail Varantsou <[email protected]>, 2018\n"
-"Language-Team: Belarusian (https://www.transifex.com/mate/teams/13566/be/)\n"
+"Language-Team: Belarusian (https://app.transifex.com/mate/teams/13566/be/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/bg/bg.po b/help/bg/bg.po
index 4bef24c..b4cc973 100644
--- a/help/bg/bg.po
+++ b/help/bg/bg.po
@@ -7,10 +7,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Борислав Георгиев <[email protected]>, 2018\n"
-"Language-Team: Bulgarian (https://www.transifex.com/mate/teams/13566/bg/)\n"
+"Language-Team: Bulgarian (https://app.transifex.com/mate/teams/13566/bg/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/bn/bn.po b/help/bn/bn.po
index e93e3e1..82a3cf1 100644
--- a/help/bn/bn.po
+++ b/help/bn/bn.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Bengali (https://www.transifex.com/mate/teams/13566/bn/)\n"
+"Language-Team: Bengali (https://app.transifex.com/mate/teams/13566/bn/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/bn_IN/bn_IN.po b/help/bn_IN/bn_IN.po
index 0bc6483..8331870 100644
--- a/help/bn_IN/bn_IN.po
+++ b/help/bn_IN/bn_IN.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Bengali (India) (https://www.transifex.com/mate/teams/13566/bn_IN/)\n"
+"Language-Team: Bengali (India) (https://app.transifex.com/mate/teams/13566/bn_IN/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/br/br.po b/help/br/br.po
index fcaea19..dd255da 100644
--- a/help/br/br.po
+++ b/help/br/br.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Breton (https://www.transifex.com/mate/teams/13566/br/)\n"
+"Language-Team: Breton (https://app.transifex.com/mate/teams/13566/br/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/bs/bs.po b/help/bs/bs.po
index 2a9964d..6ab9ad9 100644
--- a/help/bs/bs.po
+++ b/help/bs/bs.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Sky Lion <[email protected]>, 2018\n"
-"Language-Team: Bosnian (https://www.transifex.com/mate/teams/13566/bs/)\n"
+"Language-Team: Bosnian (https://app.transifex.com/mate/teams/13566/bs/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ca/ca.po b/help/ca/ca.po
index 226ffad..588998d 100644
--- a/help/ca/ca.po
+++ b/help/ca/ca.po
@@ -1,16 +1,17 @@
 # 
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# Pere Orga <[email protected]>, 2018
+# Pere O. <[email protected]>, 2018
 # Robert Antoni Buj i Gelonch <[email protected]>, 2019
+# Santiago Mauleon, 2022
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Robert Antoni Buj i Gelonch <[email protected]>, 2019\n"
-"Language-Team: Catalan (https://www.transifex.com/mate/teams/13566/ca/)\n"
+"Last-Translator: Santiago Mauleon, 2022\n"
+"Language-Team: Catalan (https://app.transifex.com/mate/teams/13566/ca/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -921,7 +922,7 @@ msgstr "Octal"
 #. (itstool) path: td/p
 #: C/keyboard.page:52
 msgid "<keyseq><key>Ctrl</key><key>O</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>O</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:55 C/number-display.page:16
@@ -931,7 +932,7 @@ msgstr "Decimal"
 #. (itstool) path: td/p
 #: C/keyboard.page:56
 msgid "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:59 C/number-display.page:36
@@ -976,7 +977,7 @@ msgstr ""
 #. (itstool) path: license/p
 #: C/legal.xml:3
 msgid "This work is licensed under a <_:link-1/>."
-msgstr ""
+msgstr "Aquesta obra té llicència sota <_:link-1/>."
 
 #. (itstool) path: license/p
 #: C/legal.xml:6
@@ -985,6 +986,9 @@ msgid ""
 "modify, and distribute the example code contained in this document under the"
 " terms of your choosing, without restriction."
 msgstr ""
+"De manera excepcional, els propietaris del copyright us donen permís per "
+"copiar, modificar, i distribuir el codi d'exemple contingut en aquest "
+"document sota els termes que decidiu, sense restricció."
 
 #. (itstool) path: page/title
 #: C/logarithm.page:9
diff --git a/help/ca@valencia/[email protected] b/help/ca@valencia/[email protected]
index d8d371a..1bb766e 100644
--- a/help/ca@valencia/[email protected]
+++ b/help/ca@valencia/[email protected]
@@ -7,10 +7,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Jose Alfredo Murcia Andrés <[email protected]>, 2018\n"
-"Language-Team: Catalan (Valencian) (https://www.transifex.com/mate/teams/13566/ca@valencia/)\n"
+"Language-Team: Catalan (Valencian) (https://app.transifex.com/mate/teams/13566/ca@valencia/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/cmn/cmn.po b/help/cmn/cmn.po
index bf99015..536c725 100644
--- a/help/cmn/cmn.po
+++ b/help/cmn/cmn.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: 趙惟倫 <[email protected]>, 2018\n"
-"Language-Team: Chinese (Mandarin) (https://www.transifex.com/mate/teams/13566/cmn/)\n"
+"Language-Team: Chinese (Mandarin) (https://app.transifex.com/mate/teams/13566/cmn/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/cs/cs.po b/help/cs/cs.po
index 49b91b6..3b013a8 100644
--- a/help/cs/cs.po
+++ b/help/cs/cs.po
@@ -3,16 +3,16 @@
 # Stefano Karapetsas <[email protected]>, 2018
 # Lukáš Kvídera <[email protected]>, 2018
 # Michal <[email protected]>, 2018
-# Lukáš Lommer <[email protected]>, 2019
 # Roman Horník <[email protected]>, 2021
+# Lukáš Lommer <[email protected]>, 2021
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Roman Horník <[email protected]>, 2021\n"
-"Language-Team: Czech (https://www.transifex.com/mate/teams/13566/cs/)\n"
+"Last-Translator: Lukáš Lommer <[email protected]>, 2021\n"
+"Language-Team: Czech (https://app.transifex.com/mate/teams/13566/cs/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -939,7 +939,7 @@ msgstr "Desítková"
 #. (itstool) path: td/p
 #: C/keyboard.page:56
 msgid "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:59 C/number-display.page:36
diff --git a/help/cy/cy.po b/help/cy/cy.po
index 386dc1d..44aeed3 100644
--- a/help/cy/cy.po
+++ b/help/cy/cy.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: ciaran, 2018\n"
-"Language-Team: Welsh (https://www.transifex.com/mate/teams/13566/cy/)\n"
+"Language-Team: Welsh (https://app.transifex.com/mate/teams/13566/cy/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/da/da.po b/help/da/da.po
index f9b1f7e..46d9bbf 100644
--- a/help/da/da.po
+++ b/help/da/da.po
@@ -1,16 +1,16 @@
 # 
 # Translators:
-# Aputsiak Niels Janussen <[email protected]>, 2018
+# Aputsiak Niels Janussen <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
 # Joe Hansen <[email protected]>, 2021
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Joe Hansen <[email protected]>, 2021\n"
-"Language-Team: Danish (https://www.transifex.com/mate/teams/13566/da/)\n"
+"Language-Team: Danish (https://app.transifex.com/mate/teams/13566/da/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -21,10 +21,10 @@ msgstr ""
 msgctxt "_"
 msgid "translator-credits"
 msgstr ""
-"\"Joe Hansen, 2012, 2013, 2014, 2015, 2016, 2017, 2018.\\n\"\n"
-"\"\\n\"\n"
-"\"Dansk-gruppen <[email protected]>\\n\"\n"
-"\"Mere info: http://www.dansk-gruppen.dk\""
+"Joe Hansen 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021.\n"
+"\n"
+"Dansk-gruppen <[email protected]>\n"
+"Mere info: http://www.dansk-gruppen.dk"
 
 #. (itstool) path: page/title
 #: C/absolute.page:9
@@ -104,8 +104,8 @@ msgid ""
 "To set the base that results are shown in change the <link xref=\"number-"
 "display\">result format</link>."
 msgstr ""
-"For at angive det grundlag som resultater vises i ændres <link xref"
-"=\"number-display\">resultformat</link>."
+"For at angive det grundlag som resultater vises i ændres <link "
+"xref=\"number-display\">resultformat</link>."
 
 #. (itstool) path: page/p
 #: C/base.page:35
diff --git a/help/de/de.po b/help/de/de.po
index f9b9760..5569773 100644
--- a/help/de/de.po
+++ b/help/de/de.po
@@ -4,15 +4,15 @@
 # Stefano Karapetsas <[email protected]>, 2018
 # crazyd <[email protected]>, 2018
 # Kevin <[email protected]>, 2019
-# Winfried Frisch <[email protected]>, 2020
+# Winfried Frisch <[email protected]>, 2021
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Winfried Frisch <[email protected]>, 2020\n"
-"Language-Team: German (https://www.transifex.com/mate/teams/13566/de/)\n"
+"Last-Translator: Winfried Frisch <[email protected]>, 2021\n"
+"Language-Team: German (https://app.transifex.com/mate/teams/13566/de/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -365,7 +365,7 @@ msgstr "0"
 #. (itstool) path: page/title
 #: C/equation.page:11
 msgid "Basic Equations"
-msgstr ""
+msgstr "Grundrechenarten"
 
 #. (itstool) path: page/p
 #: C/equation.page:13
diff --git a/help/dz/dz.po b/help/dz/dz.po
index 6535803..9b54b16 100644
--- a/help/dz/dz.po
+++ b/help/dz/dz.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Dzongkha (https://www.transifex.com/mate/teams/13566/dz/)\n"
+"Language-Team: Dzongkha (https://app.transifex.com/mate/teams/13566/dz/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/el/el.po b/help/el/el.po
index 35b124e..d268607 100644
--- a/help/el/el.po
+++ b/help/el/el.po
@@ -1,19 +1,20 @@
 # 
 # Translators:
-# Jim Spentzos <[email protected]>, 2018
+# Dimitris Spentzos <[email protected]>, 2018
 # Alexandros Kapetanios <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
 # Nisok Kosin <[email protected]>, 2018
 # thunk <[email protected]>, 2018
 # Panos Panagiotopoulos <[email protected]>, 2018
+# Efstathios Iosifidis <[email protected]>, 2021
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Panos Panagiotopoulos <[email protected]>, 2018\n"
-"Language-Team: Greek (https://www.transifex.com/mate/teams/13566/el/)\n"
+"Last-Translator: Efstathios Iosifidis <[email protected]>, 2021\n"
+"Language-Team: Greek (https://app.transifex.com/mate/teams/13566/el/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -843,7 +844,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/keyboard.page:19
 msgid "×"
-msgstr ""
+msgstr "×"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:20
@@ -853,7 +854,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/keyboard.page:23
 msgid "÷"
-msgstr ""
+msgstr "÷"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:24
diff --git a/help/en_AU/en_AU.po b/help/en_AU/en_AU.po
index ee0731c..1f67f51 100644
--- a/help/en_AU/en_AU.po
+++ b/help/en_AU/en_AU.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Michael Findlay <[email protected]>, 2018\n"
-"Language-Team: English (Australia) (https://www.transifex.com/mate/teams/13566/en_AU/)\n"
+"Language-Team: English (Australia) (https://app.transifex.com/mate/teams/13566/en_AU/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/en_CA/en_CA.po b/help/en_CA/en_CA.po
index 3b94cf0..ad63ef2 100644
--- a/help/en_CA/en_CA.po
+++ b/help/en_CA/en_CA.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: English (Canada) (https://www.transifex.com/mate/teams/13566/en_CA/)\n"
+"Language-Team: English (Canada) (https://app.transifex.com/mate/teams/13566/en_CA/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/en_GB/en_GB.po b/help/en_GB/en_GB.po
index b952f51..74bfc73 100644
--- a/help/en_GB/en_GB.po
+++ b/help/en_GB/en_GB.po
@@ -1,16 +1,16 @@
 # 
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# Andi Chandler <[email protected]>, 2018
 # Martin Wimpress <[email protected]>, 2018
+# Andi Chandler <[email protected]>, 2023
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Martin Wimpress <[email protected]>, 2018\n"
-"Language-Team: English (United Kingdom) (https://www.transifex.com/mate/teams/13566/en_GB/)\n"
+"Last-Translator: Andi Chandler <[email protected]>, 2023\n"
+"Language-Team: English (United Kingdom) (https://app.transifex.com/mate/teams/13566/en_GB/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -20,12 +20,14 @@ msgstr ""
 #. Put one translator per line, in the form NAME <EMAIL>, YEAR1, YEAR2
 msgctxt "_"
 msgid "translator-credits"
-msgstr "Martin Wimpress"
+msgstr ""
+"Martin Wimpress\n"
+"Andi Chandler"
 
 #. (itstool) path: page/title
 #: C/absolute.page:9
 msgid "Absolute Values"
-msgstr ""
+msgstr "Absolute Values"
 
 #. (itstool) path: page/p
 #: C/absolute.page:11
@@ -33,21 +35,23 @@ msgid ""
 "Absolute values are calculated using the | symbol or abs <link "
 "xref=\"function\">function</link>."
 msgstr ""
+"Absolute values are calculated using the | symbol or abs <link "
+"xref=\"function\">function</link>."
 
 #. (itstool) path: example/p
 #: C/absolute.page:15
 msgid "|−1|"
-msgstr ""
+msgstr "|−1|"
 
 #. (itstool) path: example/p
 #: C/absolute.page:18
 msgid "abs (−1)"
-msgstr ""
+msgstr "abs (−1)"
 
 #. (itstool) path: page/title
 #: C/base.page:9 C/conv-base.page:9
 msgid "Number Bases"
-msgstr ""
+msgstr "Number Bases"
 
 #. (itstool) path: page/p
 #: C/base.page:11
@@ -56,26 +60,29 @@ msgid ""
 "xref=\"superscript\">subscript numbers</link>. The following numbers are "
 "equivalent."
 msgstr ""
+"To enter numbers in a particular number base use <link "
+"xref=\"superscript\">subscript numbers</link>. The following numbers are "
+"equivalent."
 
 #. (itstool) path: example/p
 #: C/base.page:16
 msgid "1001011₂"
-msgstr ""
+msgstr "1001011₂"
 
 #. (itstool) path: example/p
 #: C/base.page:19
 msgid "113₈"
-msgstr ""
+msgstr "113₈"
 
 #. (itstool) path: example/p
 #: C/base.page:22
 msgid "75"
-msgstr ""
+msgstr "75"
 
 #. (itstool) path: example/p
 #: C/base.page:25
 msgid "4B₁₆"
-msgstr ""
+msgstr "4B₁₆"
 
 #. (itstool) path: page/p
 #: C/base.page:29
@@ -85,6 +92,10 @@ msgid ""
 "(<keyseq><key>Ctrl</key><key>O</key></keyseq>) and hexadecimal "
 "(<keyseq><key>Ctrl</key><key>H</key></keyseq>)."
 msgstr ""
+"When in <link xref=\"mouse\">programming mode</link> there are buttons for "
+"binary (<keyseq><key>Ctrl</key><key>B</key></keyseq>), octal "
+"(<keyseq><key>Ctrl</key><key>O</key></keyseq>) and hexadecimal "
+"(<keyseq><key>Ctrl</key><key>H</key></keyseq>)."
 
 #. (itstool) path: page/p
 #: C/base.page:32
@@ -92,6 +103,8 @@ msgid ""
 "To set the base that results are shown in change the <link xref=\"number-"
 "display\">result format</link>."
 msgstr ""
+"To set the base that results are shown in change the <link xref=\"number-"
+"display\">result format</link>."
 
 #. (itstool) path: page/p
 #: C/base.page:35
@@ -99,21 +112,24 @@ msgid ""
 "To change the base of the current result use a base button or "
 "<keyseq><key>Ctrl</key><key>D</key></keyseq> to show in decimal form."
 msgstr ""
+"To change the base of the current result use a base button or "
+"<keyseq><key>Ctrl</key><key>D</key></keyseq> to show in decimal form."
 
 #. (itstool) path: page/title
 #: C/boolean.page:9
 msgid "Boolean Algebra"
-msgstr ""
+msgstr "Boolean Algebra"
 
 #. (itstool) path: page/p
 #: C/boolean.page:11
 msgid "Boolean algebra can be calculated using the AND, OR and XOR operators."
 msgstr ""
+"Boolean algebra can be calculated using the AND, OR and XOR operators."
 
 #. (itstool) path: example/p
 #: C/boolean.page:15
 msgid "010011₂ AND 110101₂"
-msgstr ""
+msgstr "010011₂ AND 110101₂"
 
 #. (itstool) path: page/p
 #: C/boolean.page:19
@@ -121,6 +137,8 @@ msgid ""
 "Buttons for these symbols are available in <link xref=\"mouse\">programming "
 "mode</link>."
 msgstr ""
+"Buttons for these symbols are available in <link xref=\"mouse\">programming "
+"mode</link>."
 
 #. (itstool) path: page/p
 #: C/boolean.page:22
@@ -129,16 +147,19 @@ msgid ""
 "number. The word size is set from the "
 "<guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu."
 msgstr ""
+"The NOT <link xref=\"function\">function</link> inverts the bits in a "
+"number. The word size is set from the "
+"<guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu."
 
 #. (itstool) path: example/p
 #: C/boolean.page:27
 msgid "NOT 010011₂"
-msgstr ""
+msgstr "NOT 010011₂"
 
 #. (itstool) path: page/title
 #: C/complex.page:9
 msgid "Complex Numbers"
-msgstr ""
+msgstr "Complex Numbers"
 
 #. (itstool) path: page/p
 #: C/complex.page:11
@@ -146,66 +167,68 @@ msgid ""
 "<app>MATE Calculator</app> supports complex numbers, as well as the "
 "following functions while in <link xref=\"mouse\">Advanced mode</link>."
 msgstr ""
+"<app>MATE Calculator</app> supports complex numbers, as well as the "
+"following functions while in <link xref=\"mouse\">Advanced mode</link>."
 
 #. (itstool) path: td/p
 #: C/complex.page:18
 msgid "Re"
-msgstr ""
+msgstr "Re"
 
 #. (itstool) path: td/p
 #: C/complex.page:19
 msgid "Returns the real part of a complex number. For example:"
-msgstr ""
+msgstr "Returns the real part of a complex number. For example:"
 
 #. (itstool) path: example/p
 #: C/complex.page:21
 msgid "Re (2-5i) = 2"
-msgstr ""
+msgstr "Re (2-5i) = 2"
 
 #. (itstool) path: td/p
 #: C/complex.page:29
 msgid "Im"
-msgstr ""
+msgstr "Im"
 
 #. (itstool) path: td/p
 #: C/complex.page:30
 msgid "Returns the imaginary part of a complex number. For example:"
-msgstr ""
+msgstr "Returns the imaginary part of a complex number. For example:"
 
 #. (itstool) path: example/p
 #: C/complex.page:32
 msgid "Im (2-5i) = -5"
-msgstr ""
+msgstr "Im (2-5i) = -5"
 
 #. (itstool) path: td/p
 #: C/complex.page:40
 msgid "conj"
-msgstr ""
+msgstr "conj"
 
 #. (itstool) path: td/p
 #: C/complex.page:41
 msgid "Returns the conjugate of a complex number. For example:"
-msgstr ""
+msgstr "Returns the conjugate of a complex number. For example:"
 
 #. (itstool) path: example/p
 #: C/complex.page:43
 msgid "conj (2-5i) = 2+5i"
-msgstr ""
+msgstr "conj (2-5i) = 2+5i"
 
 #. (itstool) path: td/p
 #: C/complex.page:51
 msgid "Arg"
-msgstr ""
+msgstr "Arg"
 
 #. (itstool) path: td/p
 #: C/complex.page:52
 msgid "Returns the argument of a complex number. For example:"
-msgstr ""
+msgstr "Returns the argument of a complex number. For example:"
 
 #. (itstool) path: example/p
 #: C/complex.page:54
 msgid "Arg (2-5i) = -68.1986"
-msgstr ""
+msgstr "Arg (2-5i) = -68.1986"
 
 #. (itstool) path: page/p
 #: C/conv-base.page:11
@@ -214,11 +237,14 @@ msgid ""
 "change the <link xref=\"number-display\">result format</link> from the "
 "<guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu."
 msgstr ""
+"To convert between number bases enter a number (or solve an equation) and "
+"change the <link xref=\"number-display\">result format</link> from the "
+"<guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu."
 
 #. (itstool) path: page/title
 #: C/conv-character.page:9
 msgid "Character Codes"
-msgstr ""
+msgstr "Character Codes"
 
 #. (itstool) path: page/p
 #: C/conv-character.page:11
@@ -226,11 +252,13 @@ msgid ""
 "When in <link xref=\"mouse\">programming mode</link> the <gui>á</gui> button"
 " opens a dialog to convert characters to character codes."
 msgstr ""
+"When in <link xref=\"mouse\">programming mode</link> the <gui>á</gui> button"
+" opens a dialogue to convert characters to character codes."
 
 #. (itstool) path: note/p
 #: C/conv-character.page:15
 msgid "Characters cannot be converted using the keyboard."
-msgstr ""
+msgstr "Characters cannot be converted using the keyboard."
 
 #. (itstool) path: page/title
 #: C/conv-currency.page:9
@@ -243,6 +271,8 @@ msgid ""
 "To convert currencies, enter the <link xref=\"financial\">financial "
 "mode</link>, and use the currency controls."
 msgstr ""
+"To convert currencies, enter the <link xref=\"financial\">financial "
+"mode</link>, and use the currency controls."
 
 #. (itstool) path: page/p
 #: C/conv-currency.page:14
@@ -250,11 +280,13 @@ msgid ""
 "You can also convert currencies using the keyboard and the <em>in</em> "
 "operator."
 msgstr ""
+"You can also convert currencies using the keyboard and the <em>in</em> "
+"operator."
 
 #. (itstool) path: example/p
 #: C/conv-currency.page:18
 msgid "13.65 USD in GBP"
-msgstr ""
+msgstr "13.65 USD in GBP"
 
 #. (itstool) path: note/p
 #: C/conv-currency.page:23
@@ -262,11 +294,13 @@ msgid ""
 "Currency information is approximate and should not be used for making "
 "financial decisions."
 msgstr ""
+"Currency information is approximate and should not be used for making "
+"financial decisions."
 
 #. (itstool) path: page/title
 #: C/conv-length.page:9
 msgid "Length/Area/Volume"
-msgstr ""
+msgstr "Length/Area/Volume"
 
 #. (itstool) path: page/p
 #: C/conv-length.page:11
@@ -274,26 +308,28 @@ msgid ""
 "To convert between length, area and volume units use the <em>in</em> "
 "operator."
 msgstr ""
+"To convert between length, area and volume units use the <em>in</em> "
+"operator."
 
 #. (itstool) path: example/p
 #: C/conv-length.page:15
 msgid "6 meters in inches"
-msgstr ""
+msgstr "6 metres in inches"
 
 #. (itstool) path: example/p
 #: C/conv-length.page:18
 msgid "1 acre in cm²"
-msgstr ""
+msgstr "1 acre in cm²"
 
 #. (itstool) path: example/p
 #: C/conv-length.page:21
 msgid "1 pint in mL"
-msgstr ""
+msgstr "1 pint in mL"
 
 #. (itstool) path: note/p
 #: C/conv-length.page:26
 msgid "Length/Area/Volume conversions must be performed using the keyboard."
-msgstr ""
+msgstr "Length/Area/Volume conversions must be performed using the keyboard."
 
 #. (itstool) path: page/title
 #: C/conv-time.page:9
@@ -303,37 +339,37 @@ msgstr "Time"
 #. (itstool) path: page/p
 #: C/conv-time.page:11
 msgid "To convert between time use the <em>in</em> operator."
-msgstr ""
+msgstr "To convert between time use the <em>in</em> operator."
 
 #. (itstool) path: example/p
 #: C/conv-time.page:15
 msgid "3 years in hours"
-msgstr ""
+msgstr "3 years in hours"
 
 #. (itstool) path: note/p
 #: C/conv-time.page:20
 msgid "Time conversions must be performed using the keyboard."
-msgstr ""
+msgstr "Time conversions must be performed using the keyboard."
 
 #. (itstool) path: page/title
 #: C/conv-weight.page:9
 msgid "Mass"
-msgstr ""
+msgstr "Mass"
 
 #. (itstool) path: page/p
 #: C/conv-weight.page:11
 msgid "To convert between mass use the <em>in</em> operator."
-msgstr ""
+msgstr "To convert between mass use the <em>in</em> operator."
 
 #. (itstool) path: example/p
 #: C/conv-weight.page:15
 msgid "1kg in pounds"
-msgstr ""
+msgstr "1kg in pounds"
 
 #. (itstool) path: note/p
 #: C/conv-weight.page:20
 msgid "Mass conversions must be performed using the keyboard."
-msgstr ""
+msgstr "Mass conversions must be performed using the keyboard."
 
 #. (itstool) path: info/title
 #: C/equation.page:7
@@ -344,7 +380,7 @@ msgstr "0"
 #. (itstool) path: page/title
 #: C/equation.page:11
 msgid "Basic Equations"
-msgstr ""
+msgstr "Basic Equations"
 
 #. (itstool) path: page/p
 #: C/equation.page:13
@@ -352,11 +388,13 @@ msgid ""
 "Equations are entered in standard mathematical form. For example to add 7 "
 "and 2 enter the following:"
 msgstr ""
+"Equations are entered in standard mathematical form. For example to add 7 "
+"and 2 enter the following:"
 
 #. (itstool) path: example/p
 #: C/equation.page:18
 msgid "7+2"
-msgstr ""
+msgstr "7+2"
 
 #. (itstool) path: page/p
 #: C/equation.page:22
@@ -364,6 +402,8 @@ msgid ""
 "To solve, press the <gui>=</gui> button with your mouse or the "
 "<key>Enter</key> key on your keyboard."
 msgstr ""
+"To solve, press the <gui>=</gui> button with your mouse or the "
+"<key>Enter</key> key on your keyboard."
 
 #. (itstool) path: page/p
 #: C/equation.page:25
@@ -372,11 +412,14 @@ msgid ""
 "division are performed before addition and subtraction. The following "
 "equation solves to 1 (3×2 = 6, 7−6 = 1)."
 msgstr ""
+"Calculations are performed in mathematical order - multiplication and "
+"division are performed before addition and subtraction. The following "
+"equation solves to 1 (3×2 = 6, 7−6 = 1)."
 
 #. (itstool) path: example/p
 #: C/equation.page:30
 msgid "7−3×2"
-msgstr ""
+msgstr "7−3×2"
 
 #. (itstool) path: page/p
 #: C/equation.page:34
@@ -384,22 +427,25 @@ msgid ""
 "To change the order of calculation use parenthesis. The following equation "
 "solves to 8 (7−3 = 4, 4×2 = 8)."
 msgstr ""
+"To change the order of calculation use parenthesis. The following equation "
+"solves to 8 (7−3 = 4, 4×2 = 8)."
 
 #. (itstool) path: example/p
 #: C/equation.page:39
 msgid "(7−3)×2"
-msgstr ""
+msgstr "(7−3)×2"
 
 #. (itstool) path: page/p
 #: C/equation.page:43
 msgid ""
 "To clear the display press the <gui>Clr</gui> button or <key>Escape</key>."
 msgstr ""
+"To clear the display press the <gui>Clr</gui> button or <key>Escape</key>."
 
 #. (itstool) path: page/title
 #: C/factorial.page:9
 msgid "Factorials"
-msgstr ""
+msgstr "Factorials"
 
 #. (itstool) path: page/p
 #: C/factorial.page:11
@@ -407,16 +453,18 @@ msgid ""
 "Factorials are entered using the ! symbol. To calculate the factorial of 6 "
 "enter the following."
 msgstr ""
+"Factorials are entered using the ! symbol. To calculate the factorial of 6 "
+"enter the following."
 
 #. (itstool) path: example/p
 #: C/factorial.page:16
 msgid "6!"
-msgstr ""
+msgstr "6!"
 
 #. (itstool) path: page/title
 #: C/factorize.page:9
 msgid "Factorization"
-msgstr ""
+msgstr "Factorisation"
 
 #. (itstool) path: page/p
 #: C/factorize.page:11
@@ -426,6 +474,10 @@ msgid ""
 "<gui>fact</gui> button. This button is visible in <link "
 "xref=\"mouse\">programming mode</link>."
 msgstr ""
+"You can factorise the number currently displayed by pressing "
+"<keyseq><key>Ctrl</key><key>F</key></keyseq> or by pressing the "
+"<gui>fact</gui> button. This button is visible in <link "
+"xref=\"mouse\">programming mode</link>."
 
 #. (itstool) path: page/p
 #: C/factorize.page:15
@@ -433,16 +485,18 @@ msgid ""
 "To factorize integers bigger than 2^64 the Miller-Rabin primality test and "
 "Pollard's rho algorithm are used."
 msgstr ""
+"To factorise integers bigger than 2^64 the Miller-Rabin primality test and "
+"Pollard's rho algorithm are used."
 
 #. (itstool) path: page/title
 #: C/financial.page:9
 msgid "Financial Functions"
-msgstr ""
+msgstr "Financial Functions"
 
 #. (itstool) path: page/p
 #: C/financial.page:10
 msgid "When in financial mode the following buttons are available."
-msgstr ""
+msgstr "When in financial mode the following buttons are available."
 
 #. (itstool) path: td/p
 #: C/financial.page:15
@@ -456,6 +510,9 @@ msgid ""
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
+"Calculate the number of compounding periods necessary to increase an "
+"investment of present value to a future value, at a fixed interest rate per "
+"compounding period."
 
 #. (itstool) path: td/p
 #: C/financial.page:19
@@ -468,6 +525,8 @@ msgid ""
 "Calculate the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
+"Calculate the depreciation allowance on an asset for a specified period of "
+"time, using the double-declining balance method."
 
 #. (itstool) path: td/p
 #: C/financial.page:23
@@ -481,6 +540,9 @@ msgid ""
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
+"Calculate the future value of an investment based on a series of equal "
+"payments at a periodic interest rate over the number of payment periods in "
+"the term."
 
 #. (itstool) path: td/p
 #: C/financial.page:27
@@ -493,6 +555,8 @@ msgid ""
 "Calculate the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
+"Calculate the resale price of a product, based on the product cost and the "
+"wanted gross profit margin."
 
 #. (itstool) path: td/p
 #: C/financial.page:31
@@ -505,6 +569,8 @@ msgid ""
 "Calculate the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period."
 msgstr ""
+"Calculate the amount of the periodic payment of a loan, where payments are "
+"made at the end of each payment period."
 
 #. (itstool) path: td/p
 #: C/financial.page:35
@@ -518,6 +584,9 @@ msgid ""
 "payments discounted at a periodic interest rate over the number of payment "
 "periods in the term."
 msgstr ""
+"Calculate the present value of an investment based on a series of equal "
+"payments discounted at a periodic interest rate over the number of payment "
+"periods in the term."
 
 #. (itstool) path: td/p
 #: C/financial.page:39
@@ -530,6 +599,8 @@ msgid ""
 "Calculate the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods."
 msgstr ""
+"Calculate the periodic interest necessary to increase an investment to a "
+"future value, over the number of compounding periods."
 
 #. (itstool) path: td/p
 #: C/financial.page:43
@@ -544,6 +615,10 @@ msgid ""
 "over the useful life of an asset. The useful life is the number of periods, "
 "typically years, over which an asset is depreciated."
 msgstr ""
+"Calculate the straight-line depreciation of an asset for one period. The "
+"straight-line method of depreciation divides the depreciable cost evenly "
+"over the useful life of an asset. The useful life is the number of periods, "
+"typically years, over which an asset is depreciated."
 
 #. (itstool) path: td/p
 #: C/financial.page:47
@@ -559,6 +634,11 @@ msgid ""
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated."
 msgstr ""
+"Calculate the depreciation allowance on an asset for a specified period of "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
+" accelerates the rate of depreciation, so that more depreciation expense "
+"occurs in earlier periods than in later ones. The useful life is the number "
+"of periods, typically years, over which an asset is depreciated."
 
 #. (itstool) path: td/p
 #: C/financial.page:51
@@ -572,11 +652,14 @@ msgid ""
 "of an ordinary annuity, to accumulate a future value, at a periodic interest"
 " rate."
 msgstr ""
+"Calculate the number of payment periods that are necessary during the term "
+"of an ordinary annuity, to accumulate a future value, at a periodic interest"
+" rate."
 
 #. (itstool) path: note/p
 #: C/financial.page:56
 msgid "Financial functions cannot be performed using the keyboard."
-msgstr ""
+msgstr "Financial functions cannot be performed using the keyboard."
 
 #. (itstool) path: page/title
 #: C/functions.page:9
@@ -590,31 +673,34 @@ msgid ""
 "function argument. If the argument is not a number or <link "
 "xref=\"variable\">variable</link> then use parenthesis around the argument."
 msgstr ""
+"Functions can be used by inserting the name of the function followed by the "
+"function argument. If the argument is not a number or <link "
+"xref=\"variable\">variable</link> then use parenthesis around the argument."
 
 #. (itstool) path: example/p
 #: C/functions.page:16
 msgid "sin 30"
-msgstr ""
+msgstr "sin 30"
 
 #. (itstool) path: example/p
 #: C/functions.page:19
 msgid "abs (5−9)"
-msgstr ""
+msgstr "abs (5−9)"
 
 #. (itstool) path: page/p
 #: C/functions.page:23
 msgid "The following functions are defined."
-msgstr ""
+msgstr "The following functions are defined."
 
 #. (itstool) path: td/p
 #: C/functions.page:28
 msgid "abs"
-msgstr ""
+msgstr "abs"
 
 #. (itstool) path: td/p
 #: C/functions.page:29
 msgid "<link xref=\"absolute\">Absolute Value</link>"
-msgstr ""
+msgstr "<link xref=\"absolute\">Absolute Value</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:32
@@ -624,32 +710,32 @@ msgstr "cos"
 #. (itstool) path: td/p
 #: C/functions.page:33
 msgid "<link xref=\"trigonometry\">Cosine</link>"
-msgstr ""
+msgstr "<link xref=\"trigonometry\">Cosine</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:36
 msgid "cosh"
-msgstr ""
+msgstr "cosh"
 
 #. (itstool) path: td/p
 #: C/functions.page:37
 msgid "<link xref=\"trigonometry\">Hyperbolic Cosine</link>"
-msgstr ""
+msgstr "<link xref=\"trigonometry\">Hyperbolic Cosine</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:40
 msgid "erf"
-msgstr ""
+msgstr "erf"
 
 #. (itstool) path: td/p
 #: C/functions.page:41
 msgid "Gauss Error function"
-msgstr ""
+msgstr "Gauss Error function"
 
 #. (itstool) path: td/p
 #: C/functions.page:44
 msgid "frac"
-msgstr ""
+msgstr "frac"
 
 #. (itstool) path: td/p
 #: C/functions.page:45
@@ -659,7 +745,7 @@ msgstr "Fractional Component"
 #. (itstool) path: td/p
 #: C/functions.page:48
 msgid "int"
-msgstr ""
+msgstr "int"
 
 #. (itstool) path: td/p
 #: C/functions.page:49
@@ -674,7 +760,7 @@ msgstr "ln"
 #. (itstool) path: td/p
 #: C/functions.page:53
 msgid "<link xref=\"logarithm\">Natural Logarithm</link>"
-msgstr ""
+msgstr "<link xref=\"logarithm\">Natural Logarithm</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:56
@@ -684,27 +770,27 @@ msgstr "log"
 #. (itstool) path: td/p
 #: C/functions.page:57
 msgid "<link xref=\"logarithm\">Logarithm</link>"
-msgstr ""
+msgstr "<link xref=\"logarithm\">Logarithm</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:60
 msgid "not"
-msgstr ""
+msgstr "not"
 
 #. (itstool) path: td/p
 #: C/functions.page:61
 msgid "<link xref=\"boolean\">Boolean NOT</link>"
-msgstr ""
+msgstr "<link xref=\"boolean\">Boolean NOT</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:64
 msgid "ones"
-msgstr ""
+msgstr "ones"
 
 #. (itstool) path: td/p
 #: C/functions.page:65
 msgid "Ones complement"
-msgstr ""
+msgstr "Ones complement"
 
 #. (itstool) path: td/p
 #: C/functions.page:68
@@ -714,17 +800,17 @@ msgstr "sin"
 #. (itstool) path: td/p
 #: C/functions.page:69
 msgid "<link xref=\"trigonometry\">Sine</link>"
-msgstr ""
+msgstr "<link xref=\"trigonometry\">Sine</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:72
 msgid "sinh"
-msgstr ""
+msgstr "sinh"
 
 #. (itstool) path: td/p
 #: C/functions.page:73
 msgid "<link xref=\"trigonometry\">Hyperbolic Sine</link>"
-msgstr ""
+msgstr "<link xref=\"trigonometry\">Hyperbolic Sine</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:76
@@ -734,7 +820,7 @@ msgstr "sqrt"
 #. (itstool) path: td/p
 #: C/functions.page:77
 msgid "<link xref=\"power\">Square Root</link>"
-msgstr ""
+msgstr "<link xref=\"power\">Square Root</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:80
@@ -744,52 +830,52 @@ msgstr "tan"
 #. (itstool) path: td/p
 #: C/functions.page:81
 msgid "<link xref=\"trigonometry\">Tangent</link>"
-msgstr ""
+msgstr "<link xref=\"trigonometry\">Tangent</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:84
 msgid "tanh"
-msgstr ""
+msgstr "tanh"
 
 #. (itstool) path: td/p
 #: C/functions.page:85
 msgid "<link xref=\"trigonometry\">Hyperbolic Tangent</link>"
-msgstr ""
+msgstr "<link xref=\"trigonometry\">Hyperbolic Tangent</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:88
 msgid "twos"
-msgstr ""
+msgstr "twos"
 
 #. (itstool) path: td/p
 #: C/functions.page:89
 msgid "Twos complement"
-msgstr ""
+msgstr "Twos complement"
 
 #. (itstool) path: td/p
 #: C/functions.page:92
 msgid "zeta"
-msgstr ""
+msgstr "zeta"
 
 #. (itstool) path: td/p
 #: C/functions.page:93
 msgid "Riemann zeta function"
-msgstr ""
+msgstr "Riemann zeta function"
 
 #. (itstool) path: page/p
 #: C/functions.page:96
 msgid "<app>MATE Calculator</app> does not support user-defined functions."
-msgstr ""
+msgstr "<app>MATE Calculator</app> does not support user-defined functions."
 
 #. (itstool) path: credit/name
 #: C/index.page:7
 msgid "Robert Ancell"
-msgstr ""
+msgstr "Robert Ancell"
 
 #. (itstool) path: page/title
 #: C/index.page:13
 msgid "MATE Calculator Help"
-msgstr ""
+msgstr "MATE Calculator Help"
 
 #. (itstool) path: section/title
 #: C/index.page:16
@@ -799,7 +885,7 @@ msgstr "User Interface"
 #. (itstool) path: section/title
 #: C/index.page:20
 msgid "Equations"
-msgstr ""
+msgstr "Equations"
 
 #. (itstool) path: section/title
 #: C/index.page:24
@@ -809,22 +895,22 @@ msgstr "Numbers"
 #. (itstool) path: section/title
 #: C/index.page:28
 msgid "Conversions"
-msgstr ""
+msgstr "Conversions"
 
 #. (itstool) path: section/title
 #: C/index.page:32
 msgid "Financial Calculations"
-msgstr ""
+msgstr "Financial Calculations"
 
 #. (itstool) path: page/title
 #: C/keyboard.page:9
 msgid "Using the Keyboard"
-msgstr ""
+msgstr "Using the Keyboard"
 
 #. (itstool) path: page/p
 #: C/keyboard.page:11
 msgid "All mathematical equations can be entered using the keyboard."
-msgstr ""
+msgstr "All mathematical equations can be entered using the keyboard."
 
 #. (itstool) path: page/p
 #: C/keyboard.page:14
@@ -832,56 +918,58 @@ msgid ""
 "The following key combinations can be used to enter keys that may not be "
 "available on your keyboard."
 msgstr ""
+"The following key combinations can be used to enter keys that may not be "
+"available on your keyboard."
 
 #. (itstool) path: td/p
 #: C/keyboard.page:19
 msgid "×"
-msgstr ""
+msgstr "×"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:20
 msgid "<key>*</key>"
-msgstr ""
+msgstr "<key>*</key>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:23
 msgid "÷"
-msgstr ""
+msgstr "÷"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:24
 msgid "<key>/</key>"
-msgstr ""
+msgstr "<key>/</key>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:27
 msgid "^"
-msgstr ""
+msgstr "^"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:28
 msgid "<key>*</key> twice"
-msgstr ""
+msgstr "<key>*</key> twice"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:31
 msgid "√"
-msgstr ""
+msgstr "√"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:32
 msgid "<keyseq><key>Ctrl</key><key>R</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>R</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:35 C/variables.page:48
 msgid "π"
-msgstr ""
+msgstr "π"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:36
 msgid "<keyseq><key>Ctrl</key><key>P</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>P</key></keyseq>"
 
 #. (itstool) path: page/p
 #: C/keyboard.page:39
@@ -890,6 +978,9 @@ msgid ""
 "<keyseq><key>Ctrl</key>number</keyseq>, for subscript use "
 "<keyseq><key>Alt</key>number</keyseq>."
 msgstr ""
+"To enter <link xref=\"superscript\">superscript numbers</link> use "
+"<keyseq><key>Ctrl</key>number</keyseq>, for subscript use "
+"<keyseq><key>Alt</key>number</keyseq>."
 
 #. (itstool) path: page/p
 #: C/keyboard.page:42
@@ -897,6 +988,8 @@ msgid ""
 "When in <link xref=\"mouse\">programming mode</link>, to cycle between base "
 "digits use:"
 msgstr ""
+"When in <link xref=\"mouse\">programming mode</link>, to cycle between base "
+"digits use:"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:47 C/number-display.page:28
@@ -906,7 +999,7 @@ msgstr "Binary"
 #. (itstool) path: td/p
 #: C/keyboard.page:48
 msgid "<keyseq><key>Ctrl</key><key>B</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>B</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:51 C/number-display.page:32
@@ -916,7 +1009,7 @@ msgstr "Octal"
 #. (itstool) path: td/p
 #: C/keyboard.page:52
 msgid "<keyseq><key>Ctrl</key><key>O</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>O</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:55 C/number-display.page:16
@@ -926,7 +1019,7 @@ msgstr "Decimal"
 #. (itstool) path: td/p
 #: C/keyboard.page:56
 msgid "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:59 C/number-display.page:36
@@ -936,42 +1029,42 @@ msgstr "Hexadecimal"
 #. (itstool) path: td/p
 #: C/keyboard.page:60
 msgid "<keyseq><key>Ctrl</key><key>H</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>H</key></keyseq>"
 
 #. (itstool) path: page/p
 #: C/keyboard.page:63
 msgid "To cycle between history entries you may use:"
-msgstr ""
+msgstr "To cycle between history entries you may use:"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:68
 msgid "Previous Entry"
-msgstr ""
+msgstr "Previous Entry"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:69
 msgid "<keyseq><key>Alt</key><key>Up</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Alt</key><key>Up</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:72
 msgid "Next Entry"
-msgstr ""
+msgstr "Next Entry"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:73
 msgid "<keyseq><key>Alt</key><key>Down</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Alt</key><key>Down</key></keyseq>"
 
 #. (itstool) path: p/link
 #: C/legal.xml:4
 msgid "Creative Commons Attribution-Share Alike 3.0 Unported License"
-msgstr ""
+msgstr "Creative Commons Attribution-Share Alike 3.0 Unported Licence"
 
 #. (itstool) path: license/p
 #: C/legal.xml:3
 msgid "This work is licensed under a <_:link-1/>."
-msgstr ""
+msgstr "This work is licensed under a <_:link-1/>."
 
 #. (itstool) path: license/p
 #: C/legal.xml:6
@@ -980,11 +1073,14 @@ msgid ""
 "modify, and distribute the example code contained in this document under the"
 " terms of your choosing, without restriction."
 msgstr ""
+"As a special exception, the copyright holders give you permission to copy, "
+"modify, and distribute the example code contained in this document under the"
+" terms of your choosing, without restriction."
 
 #. (itstool) path: page/title
 #: C/logarithm.page:9
 msgid "Logarithms"
-msgstr ""
+msgstr "Logarithms"
 
 #. (itstool) path: page/p
 #: C/logarithm.page:11
@@ -992,11 +1088,13 @@ msgid ""
 "Logarithms can be calculated using the log <link "
 "xref=\"function\">function</link>."
 msgstr ""
+"Logarithms can be calculated using the log <link "
+"xref=\"function\">function</link>."
 
 #. (itstool) path: example/p
 #: C/logarithm.page:15
 msgid "log 100"
-msgstr ""
+msgstr "log 100"
 
 #. (itstool) path: page/p
 #: C/logarithm.page:19
@@ -1004,21 +1102,23 @@ msgid ""
 "To calculate a logarithm in a different base use a <link "
 "xref=\"superscript\">subscript number</link> after the function."
 msgstr ""
+"To calculate a logarithm in a different base use a <link "
+"xref=\"superscript\">subscript number</link> after the function."
 
 #. (itstool) path: example/p
 #: C/logarithm.page:23
 msgid "log₂ 32"
-msgstr ""
+msgstr "log₂ 32"
 
 #. (itstool) path: page/p
 #: C/logarithm.page:27
 msgid "To calculate a natural logarithm use the ln function."
-msgstr ""
+msgstr "To calculate a natural logarithm use the ln function."
 
 #. (itstool) path: example/p
 #: C/logarithm.page:31
 msgid "ln 1.32"
-msgstr ""
+msgstr "ln 1.32"
 
 #. (itstool) path: page/p
 #: C/logarithm.page:35
@@ -1026,31 +1126,33 @@ msgid ""
 "Euler's number can be entered by using the <link "
 "xref=\"variable\">variable</link> e."
 msgstr ""
+"Euler's number can be entered by using the <link "
+"xref=\"variable\">variable</link> e."
 
 #. (itstool) path: example/p
 #: C/logarithm.page:39
 msgid "e^1.32"
-msgstr ""
+msgstr "e^1.32"
 
 #. (itstool) path: page/title
 #: C/modulus.page:9
 msgid "Modulus Division"
-msgstr ""
+msgstr "Modulus Division"
 
 #. (itstool) path: page/p
 #: C/modulus.page:11
 msgid "Modulus division is performed using the mod operator."
-msgstr ""
+msgstr "Modulus division is performed using the mod operator."
 
 #. (itstool) path: example/p
 #: C/modulus.page:15
 msgid "9 mod 5"
-msgstr ""
+msgstr "9 mod 5"
 
 #. (itstool) path: page/title
 #: C/mouse.page:9
 msgid "Using the Mouse"
-msgstr ""
+msgstr "Using the Mouse"
 
 #. (itstool) path: page/p
 #: C/mouse.page:11
@@ -1058,6 +1160,8 @@ msgid ""
 "All equations can be entered using the mouse. To access all buttons there "
 "are a number of modes that can be selected from the <gui>Mode</gui> menu."
 msgstr ""
+"All equations can be entered using the mouse. To access all buttons there "
+"are a number of modes that can be selected from the <gui>Mode</gui> menu."
 
 #. (itstool) path: td/p
 #: C/mouse.page:17
@@ -1069,6 +1173,7 @@ msgstr "Basic"
 msgid ""
 "Provides buttons suitable for <link xref=\"equation\">basic equations</link>"
 msgstr ""
+"Provides buttons suitable for <link xref=\"equation\">basic equations</link>"
 
 #. (itstool) path: td/p
 #: C/mouse.page:21
@@ -1081,11 +1186,13 @@ msgid ""
 "Provides buttons suitable for advanced mathematics such as <link "
 "xref=\"trigonometry\"/>"
 msgstr ""
+"Provides buttons suitable for advanced mathematics such as <link "
+"xref=\"trigonometry\"/>"
 
 #. (itstool) path: td/p
 #: C/mouse.page:25
 msgid "Financial"
-msgstr ""
+msgstr "Financial"
 
 #. (itstool) path: td/p
 #: C/mouse.page:26
@@ -1093,6 +1200,8 @@ msgid ""
 "Provides buttons suitable for <link xref=\"financial\">financial "
 "equations</link>"
 msgstr ""
+"Provides buttons suitable for <link xref=\"financial\">financial "
+"equations</link>"
 
 #. (itstool) path: td/p
 #: C/mouse.page:29
@@ -1102,12 +1211,12 @@ msgstr "Programming"
 #. (itstool) path: td/p
 #: C/mouse.page:30
 msgid "Provides buttons suitable for computer programmers"
-msgstr ""
+msgstr "Provides buttons suitable for computer programmers"
 
 #. (itstool) path: page/title
 #: C/number-display.page:9
 msgid "Result Format"
-msgstr ""
+msgstr "Result Format"
 
 #. (itstool) path: page/p
 #: C/number-display.page:11
@@ -1115,11 +1224,13 @@ msgid ""
 "The format used to display results can be changed from the "
 "<guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu."
 msgstr ""
+"The format used to display results can be changed from the "
+"<guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu."
 
 #. (itstool) path: td/p
 #: C/number-display.page:17
 msgid "Results are displayed as decimal numbers"
-msgstr ""
+msgstr "Results are displayed as decimal numbers"
 
 #. (itstool) path: td/p
 #: C/number-display.page:20
@@ -1132,6 +1243,8 @@ msgid ""
 "Results are displayed in <link xref=\"scientific\">scientific "
 "notation</link>"
 msgstr ""
+"Results are displayed in <link xref=\"scientific\">scientific "
+"notation</link>"
 
 #. (itstool) path: td/p
 #: C/number-display.page:24
@@ -1144,21 +1257,23 @@ msgid ""
 "Results are displayed in scientific notation except the exponent is always a"
 " multiple of three"
 msgstr ""
+"Results are displayed in scientific notation except the exponent is always a"
+" multiple of three"
 
 #. (itstool) path: td/p
 #: C/number-display.page:29
 msgid "Results are displayed as <link xref=\"base\">binary numbers</link>"
-msgstr ""
+msgstr "Results are displayed as <link xref=\"base\">binary numbers</link>"
 
 #. (itstool) path: td/p
 #: C/number-display.page:33
 msgid "Results are displayed as <link xref=\"base\">octal numbers</link>"
-msgstr ""
+msgstr "Results are displayed as <link xref=\"base\">octal numbers</link>"
 
 #. (itstool) path: td/p
 #: C/number-display.page:37
 msgid "Results are displayed as <link xref=\"base\">hexadecimal numbers</link>"
-msgstr ""
+msgstr "Results are displayed as <link xref=\"base\">hexadecimal numbers</link>"
 
 #. (itstool) path: page/p
 #: C/number-display.page:40
@@ -1166,16 +1281,18 @@ msgid ""
 "The number of decimal places, if trailing zeroes and if thousands separators"
 " are shown can also be configured."
 msgstr ""
+"The number of decimal places, if trailing zeroes and if thousands separators"
+" are shown can also be configured."
 
 #. (itstool) path: page/title
 #: C/percentage.page:9
 msgid "Percentages"
-msgstr ""
+msgstr "Percentages"
 
 #. (itstool) path: page/p
 #: C/percentage.page:11
 msgid "Percentages are calculated using the % symbol."
-msgstr ""
+msgstr "Percentages are calculated using the % symbol."
 
 #. (itstool) path: page/p
 #: C/percentage.page:14
@@ -1184,11 +1301,14 @@ msgid ""
 "the value being added or subtracted from. The following equation calculates "
 "the price of a $140 item with 15% tax (140 + (15÷100)×140)."
 msgstr ""
+"When added or subtracted the percentage symbol resolves to one percent of "
+"the value being added or subtracted from. The following equation calculates "
+"the price of a $140 item with 15% tax (140 + (15÷100)×140)."
 
 #. (itstool) path: example/p
 #: C/percentage.page:19
 msgid "140+15%"
-msgstr ""
+msgstr "140+15%"
 
 #. (itstool) path: page/p
 #: C/percentage.page:23
@@ -1196,16 +1316,18 @@ msgid ""
 "In all other cases the percentage symbol resolves to a fraction out of 100. "
 "The following equation calculates one quarter of 80 apples ((25÷100)×80)."
 msgstr ""
+"In all other cases the percentage symbol resolves to a fraction out of 100. "
+"The following equation calculates one quarter of 80 apples ((25÷100)×80)."
 
 #. (itstool) path: example/p
 #: C/percentage.page:28
 msgid "25%×80"
-msgstr ""
+msgstr "25%×80"
 
 #. (itstool) path: page/title
 #: C/power.page:9
 msgid "Powers and Roots"
-msgstr ""
+msgstr "Powers and Roots"
 
 #. (itstool) path: page/p
 #: C/power.page:11
@@ -1213,11 +1335,13 @@ msgid ""
 "Powers are entered by putting a <link xref=\"superscript\">superscript "
 "number</link> after the value."
 msgstr ""
+"Powers are entered by putting a <link xref=\"superscript\">superscript "
+"number</link> after the value."
 
 #. (itstool) path: example/p
 #: C/power.page:15
 msgid "5²"
-msgstr ""
+msgstr "5²"
 
 #. (itstool) path: page/p
 #: C/power.page:19
@@ -1225,11 +1349,13 @@ msgid ""
 "The inverse of a number can be entered using the inverse symbol ⁻¹ "
 "(<keyseq><key>Ctrl</key><key>I</key></keyseq>)."
 msgstr ""
+"The inverse of a number can be entered using the inverse symbol ⁻¹ "
+"(<keyseq><key>Ctrl</key><key>I</key></keyseq>)."
 
 #. (itstool) path: example/p
 #: C/power.page:23
 msgid "3⁻¹"
-msgstr ""
+msgstr "3⁻¹"
 
 #. (itstool) path: page/p
 #: C/power.page:27
@@ -1237,11 +1363,13 @@ msgid ""
 "Powers can also be calculated using the ^ symbol. This allows the power to "
 "be an equation."
 msgstr ""
+"Powers can also be calculated using the ^ symbol. This allows the power to "
+"be an equation."
 
 #. (itstool) path: example/p
 #: C/power.page:32
 msgid "5^(6−2)"
-msgstr ""
+msgstr "5^(6−2)"
 
 #. (itstool) path: page/p
 #: C/power.page:36
@@ -1249,6 +1377,8 @@ msgid ""
 "If your keyboard does not have a <key>^</key> key you can use <key>*</key> "
 "twice."
 msgstr ""
+"If your keyboard does not have a <key>^</key> key you can use <key>*</key> "
+"twice."
 
 #. (itstool) path: page/p
 #: C/power.page:39
@@ -1256,11 +1386,13 @@ msgid ""
 "Square roots can be calculated using the symbol "
 "(<keyseq><key>Ctrl</key><key>R</key></keyseq>)."
 msgstr ""
+"Square roots can be calculated using the symbol "
+"(<keyseq><key>Ctrl</key><key>R</key></keyseq>)."
 
 #. (itstool) path: example/p
 #: C/power.page:43
 msgid "√2"
-msgstr ""
+msgstr "√2"
 
 #. (itstool) path: page/p
 #: C/power.page:47
@@ -1268,16 +1400,18 @@ msgid ""
 "n-th roots can be calculated by putting a <link "
 "xref=\"superscript\">subscript number</link> before the root sign."
 msgstr ""
+"n-th roots can be calculated by putting a <link "
+"xref=\"superscript\">subscript number</link> before the root sign."
 
 #. (itstool) path: example/p
 #: C/power.page:51
 msgid "₃√2"
-msgstr ""
+msgstr "₃√2"
 
 #. (itstool) path: page/title
 #: C/scientific.page:9
 msgid "Scientific Notation"
-msgstr ""
+msgstr "Scientific Notation"
 
 #. (itstool) path: page/p
 #: C/scientific.page:11
@@ -1287,6 +1421,10 @@ msgid ""
 "xref=\"superscript\">number mode</link> automatically changes to "
 "superscript. To enter 2×10¹⁰⁰, start by entering the mantissa (2):"
 msgstr ""
+"To enter numbers in scientific format use the <gui>×10x</gui> button "
+"(<keyseq><key>Ctrl</key><key>E</key></keyseq>). The <link "
+"xref=\"superscript\">number mode</link> automatically changes to "
+"superscript. To enter 2×10¹⁰⁰, start by entering the mantissa (2):"
 
 #. (itstool) path: example/p
 #: C/scientific.page:17
@@ -1299,21 +1437,23 @@ msgid ""
 "Then press the scientific notation button (or press "
 "<keyseq><key>Ctrl</key><key>E</key></keyseq>):"
 msgstr ""
+"Then press the scientific notation button (or press "
+"<keyseq><key>Ctrl</key><key>E</key></keyseq>):"
 
 #. (itstool) path: example/p
 #: C/scientific.page:25
 msgid "2×10"
-msgstr ""
+msgstr "2×10"
 
 #. (itstool) path: page/p
 #: C/scientific.page:29
 msgid "Then enter the exponent (100):"
-msgstr ""
+msgstr "Then enter the exponent (100):"
 
 #. (itstool) path: example/p
 #: C/scientific.page:33
 msgid "2×10¹⁰⁰"
-msgstr ""
+msgstr "2×10¹⁰⁰"
 
 #. (itstool) path: page/p
 #: C/scientific.page:37
@@ -1321,17 +1461,19 @@ msgid ""
 "To show results in scientific form change the <link xref=\"number-"
 "display\">result format</link>."
 msgstr ""
+"To show results in scientific form change the <link xref=\"number-"
+"display\">result format</link>."
 
 #. (itstool) path: info/title
 #: C/superscript.page:7
 msgctxt "sort"
 msgid "_"
-msgstr ""
+msgstr "_"
 
 #. (itstool) path: page/title
 #: C/superscript.page:11
 msgid "Superscript and Subscript"
-msgstr ""
+msgstr "Superscript and Subscript"
 
 #. (itstool) path: page/p
 #: C/superscript.page:13
@@ -1339,6 +1481,8 @@ msgid ""
 "Some equations may require numbers to be entered in superscript or subscript"
 " form. e.g."
 msgstr ""
+"Some equations may require numbers to be entered in superscript or subscript"
+" form. e.g."
 
 #. (itstool) path: example/p
 #: C/superscript.page:17
@@ -1347,6 +1491,9 @@ msgid ""
 "<mo>+</mo> <mrow> <mn>2</mn> <msup> <mi>x</mi> <mn>2</mn> </msup> </mrow> "
 "<mo>-</mo> <mn>5</mn> </mrow> </math>"
 msgstr ""
+"<math alttext=\"x³+2x²−5\"> <mrow> <msup> <mi>x</mi> <mn>3</mn> </msup> "
+"<mo>+</mo> <mrow> <mn>2</mn> <msup> <mi>x</mi> <mn>2</mn> </msup> </mrow> "
+"<mo>-</mo> <mn>5</mn> </mrow> </math>"
 
 #. (itstool) path: page/p
 #: C/superscript.page:38
@@ -1356,6 +1503,10 @@ msgid ""
 "clicking the number buttons will enter numbers in superscript or subscript. "
 "To return to normal number mode click the active button."
 msgstr ""
+"To enter superscript numbers with the mouse select the number mode using the"
+" <gui>↑n</gui> and <gui>↓n</gui> buttons. When one of these modes is active "
+"clicking the number buttons will enter numbers in superscript or subscript. "
+"To return to normal number mode click the active button."
 
 #. (itstool) path: page/p
 #: C/superscript.page:43
@@ -1363,6 +1514,8 @@ msgid ""
 "To enter superscript numbers with the keyboard hold down <key>Ctrl</key> "
 "while entering the number. Hold <key>Alt</key> for subscript."
 msgstr ""
+"To enter superscript numbers with the keyboard hold down <key>Ctrl</key> "
+"while entering the number. Hold <key>Alt</key> for subscript."
 
 #. (itstool) path: page/p
 #: C/superscript.page:47
@@ -1370,11 +1523,13 @@ msgid ""
 "The number mode returns to normal when entering the next non-number "
 "character (e.g. +)."
 msgstr ""
+"The number mode returns to normal when entering the next non-number "
+"character (e.g. +)."
 
 #. (itstool) path: page/title
 #: C/trigonometry.page:9
 msgid "Trigonometry"
-msgstr ""
+msgstr "Trigonometry"
 
 #. (itstool) path: page/p
 #: C/trigonometry.page:11
@@ -1382,11 +1537,13 @@ msgid ""
 "Trigonometry can be performed using the sin, cos, and tan <link "
 "xref=\"function\">function</link>."
 msgstr ""
+"Trigonometry can be performed using the sin, cos, and tan <link "
+"xref=\"function\">function</link>."
 
 #. (itstool) path: example/p
 #: C/trigonometry.page:15
 msgid "sin 45"
-msgstr ""
+msgstr "sin 45"
 
 #. (itstool) path: page/p
 #: C/trigonometry.page:19
@@ -1396,17 +1553,22 @@ msgid ""
 "Trigonometry buttons are visible when in <link xref=\"mouse\">Advanced "
 "mode</link>."
 msgstr ""
+"The angle units used can be changed from the "
+"<guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu. "
+"Trigonometry buttons are visible when in <link xref=\"mouse\">Advanced "
+"mode</link>."
 
 #. (itstool) path: page/p
 #: C/trigonometry.page:23
 msgid ""
 "Hyperbolic functions are available by adding \"h\" to the end of a function."
 msgstr ""
+"Hyperbolic functions are available by adding \"h\" to the end of a function."
 
 #. (itstool) path: example/p
 #: C/trigonometry.page:27
 msgid "sinh 0.34"
-msgstr ""
+msgstr "sinh 0.34"
 
 #. (itstool) path: page/p
 #: C/trigonometry.page:31
@@ -1415,16 +1577,19 @@ msgid ""
 "(<keyseq><key>Ctrl</key><key>I</key></keyseq>) or the \"a\" form of the "
 "function. The following two equations are equivalent."
 msgstr ""
+"Inverse functions are entered either using the inverse symbol ⁻¹ "
+"(<keyseq><key>Ctrl</key><key>I</key></keyseq>) or the \"a\" form of the "
+"function. The following two equations are equivalent."
 
 #. (itstool) path: example/p
 #: C/trigonometry.page:36
 msgid "sin⁻¹ 0.5"
-msgstr ""
+msgstr "sin⁻¹ 0.5"
 
 #. (itstool) path: example/p
 #: C/trigonometry.page:39
 msgid "asin 0.5"
-msgstr ""
+msgstr "asin 0.5"
 
 #. (itstool) path: page/p
 #: C/trigonometry.page:43
@@ -1432,11 +1597,13 @@ msgid ""
 "To enter <link xref=\"variable\">π</link> with the keyboard use "
 "<keyseq><key>Ctrl</key><key>P</key></keyseq>."
 msgstr ""
+"To enter <link xref=\"variable\">π</link> with the keyboard use "
+"<keyseq><key>Ctrl</key><key>P</key></keyseq>."
 
 #. (itstool) path: page/title
 #: C/variables.page:9
 msgid "Variables"
-msgstr ""
+msgstr "Variables"
 
 #. (itstool) path: page/p
 #: C/variables.page:11
@@ -1445,16 +1612,19 @@ msgid ""
 "assign to with the <gui>x</gui> button in <link xref=\"mouse\">advanced "
 "mode</link>. A variable name must only contain upper or lower characters."
 msgstr ""
+"To assign a value to a variable use the = symbol or choose the variable to "
+"assign to with the <gui>x</gui> button in <link xref=\"mouse\">advanced "
+"mode</link>. A variable name must only contain upper or lower characters."
 
 #. (itstool) path: example/p
 #: C/variables.page:16
 msgid "x=5"
-msgstr ""
+msgstr "x=5"
 
 #. (itstool) path: example/p
 #: C/variables.page:19
 msgid "value=82"
-msgstr ""
+msgstr "value=82"
 
 #. (itstool) path: page/p
 #: C/variables.page:23
@@ -1462,31 +1632,33 @@ msgid ""
 "Variables can be used in any equation and are substituted for their assigned"
 " value. Variables can be inserted using the <gui>x</gui> button."
 msgstr ""
+"Variables can be used in any equation and are substituted for their assigned"
+" value. Variables can be inserted using the <gui>x</gui> button."
 
 #. (itstool) path: example/p
 #: C/variables.page:28
 msgid "6x+3"
-msgstr ""
+msgstr "6x+3"
 
 #. (itstool) path: example/p
 #: C/variables.page:31
 msgid "xy−3x+7y−21"
-msgstr ""
+msgstr "xy−3x+7y−21"
 
 #. (itstool) path: page/p
 #: C/variables.page:35
 msgid "The following variables are always defined."
-msgstr ""
+msgstr "The following variables are always defined."
 
 #. (itstool) path: td/p
 #: C/variables.page:40
 msgid "ans"
-msgstr ""
+msgstr "ans"
 
 #. (itstool) path: td/p
 #: C/variables.page:41
 msgid "Result of previous calculation"
-msgstr ""
+msgstr "Result of previous calculation"
 
 #. (itstool) path: td/p
 #: C/variables.page:44
@@ -1496,19 +1668,19 @@ msgstr "e"
 #. (itstool) path: td/p
 #: C/variables.page:45
 msgid "<link xref=\"logarithm\">Euler's Number</link>"
-msgstr ""
+msgstr "<link xref=\"logarithm\">Euler's Number</link>"
 
 #. (itstool) path: td/p
 #: C/variables.page:49
 msgid "<link xref=\"trigonometry\">Pi</link>"
-msgstr ""
+msgstr "<link xref=\"trigonometry\">Pi</link>"
 
 #. (itstool) path: td/p
 #: C/variables.page:52
 msgid "rand"
-msgstr ""
+msgstr "rand"
 
 #. (itstool) path: td/p
 #: C/variables.page:53
 msgid "Random value in the range [0,1] (changes on each read)"
-msgstr ""
+msgstr "Random value in the range [0,1] (changes on each read)"
diff --git a/help/eo/eo.po b/help/eo/eo.po
index bdcd162..c74c185 100644
--- a/help/eo/eo.po
+++ b/help/eo/eo.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Esperanto (https://www.transifex.com/mate/teams/13566/eo/)\n"
+"Language-Team: Esperanto (https://app.transifex.com/mate/teams/13566/eo/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/es/es.po b/help/es/es.po
index 87709f2..ac41c25 100644
--- a/help/es/es.po
+++ b/help/es/es.po
@@ -1,27 +1,29 @@
 # 
 # Translators:
-# Adolfo Jayme Barrientos, 2018
 # Stefano Karapetsas <[email protected]>, 2018
 # Lluís Tusquellas <[email protected]>, 2018
-# Toni Estévez <[email protected]>, 2019
+# Adolfo Jayme-Barrientos, 2021
+# Toni Estévez <[email protected]>, 2021
+# Francisco Serrador, 2023
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Toni Estévez <[email protected]>, 2019\n"
-"Language-Team: Spanish (https://www.transifex.com/mate/teams/13566/es/)\n"
+"Last-Translator: Francisco Serrador, 2023\n"
+"Language-Team: Spanish (https://app.transifex.com/mate/teams/13566/es/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Put one translator per line, in the form NAME <EMAIL>, YEAR1, YEAR2
 msgctxt "_"
 msgid "translator-credits"
 msgstr ""
+"Adolfo Jayme Barrientos <[email protected]>, 2021\n"
 "Toni Estevez <[email protected]>, 2019\n"
 "Jorge González <[email protected]>, 2007-2010\n"
 "Francisco Javier F. Serrador <[email protected]>, 2003-2006\n"
@@ -30,7 +32,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/absolute.page:9
 msgid "Absolute Values"
-msgstr ""
+msgstr "Valores absolutos"
 
 #. (itstool) path: page/p
 #: C/absolute.page:11
@@ -38,21 +40,23 @@ msgid ""
 "Absolute values are calculated using the | symbol or abs <link "
 "xref=\"function\">function</link>."
 msgstr ""
+"Los valores absolutos se calculan mediante el símbolo | o la <link "
+"xref=\"function\">función</link> abs."
 
 #. (itstool) path: example/p
 #: C/absolute.page:15
 msgid "|−1|"
-msgstr ""
+msgstr "|−1|"
 
 #. (itstool) path: example/p
 #: C/absolute.page:18
 msgid "abs (−1)"
-msgstr ""
+msgstr "abs (−1)"
 
 #. (itstool) path: page/title
 #: C/base.page:9 C/conv-base.page:9
 msgid "Number Bases"
-msgstr ""
+msgstr "Bases numéricas"
 
 #. (itstool) path: page/p
 #: C/base.page:11
@@ -65,22 +69,22 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/base.page:16
 msgid "1001011₂"
-msgstr ""
+msgstr "1001011₂"
 
 #. (itstool) path: example/p
 #: C/base.page:19
 msgid "113₈"
-msgstr ""
+msgstr "113₈"
 
 #. (itstool) path: example/p
 #: C/base.page:22
 msgid "75"
-msgstr ""
+msgstr "75"
 
 #. (itstool) path: example/p
 #: C/base.page:25
 msgid "4B₁₆"
-msgstr ""
+msgstr "4B₁₆"
 
 #. (itstool) path: page/p
 #: C/base.page:29
@@ -108,7 +112,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/boolean.page:9
 msgid "Boolean Algebra"
-msgstr ""
+msgstr "Álgebra booleana"
 
 #. (itstool) path: page/p
 #: C/boolean.page:11
@@ -118,7 +122,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/boolean.page:15
 msgid "010011₂ AND 110101₂"
-msgstr ""
+msgstr "010011₂ AND 110101₂"
 
 #. (itstool) path: page/p
 #: C/boolean.page:19
@@ -143,7 +147,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/complex.page:9
 msgid "Complex Numbers"
-msgstr ""
+msgstr "Números complejos"
 
 #. (itstool) path: page/p
 #: C/complex.page:11
@@ -165,12 +169,12 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/complex.page:21
 msgid "Re (2-5i) = 2"
-msgstr ""
+msgstr "Re (2-5i) = 2"
 
 #. (itstool) path: td/p
 #: C/complex.page:29
 msgid "Im"
-msgstr ""
+msgstr "Im"
 
 #. (itstool) path: td/p
 #: C/complex.page:30
@@ -180,12 +184,12 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/complex.page:32
 msgid "Im (2-5i) = -5"
-msgstr ""
+msgstr "Im (2-5i) = -5"
 
 #. (itstool) path: td/p
 #: C/complex.page:40
 msgid "conj"
-msgstr ""
+msgstr "conj"
 
 #. (itstool) path: td/p
 #: C/complex.page:41
@@ -195,17 +199,17 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/complex.page:43
 msgid "conj (2-5i) = 2+5i"
-msgstr ""
+msgstr "conj (2-5i) = 2+5i"
 
 #. (itstool) path: td/p
 #: C/complex.page:51
 msgid "Arg"
-msgstr ""
+msgstr "Arg"
 
 #. (itstool) path: td/p
 #: C/complex.page:52
 msgid "Returns the argument of a complex number. For example:"
-msgstr ""
+msgstr "Devuelve el argumento de un número complejo. Por ejemplo:"
 
 #. (itstool) path: example/p
 #: C/complex.page:54
@@ -223,7 +227,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/conv-character.page:9
 msgid "Character Codes"
-msgstr ""
+msgstr "Códigos de carácter"
 
 #. (itstool) path: page/p
 #: C/conv-character.page:11
@@ -248,6 +252,8 @@ msgid ""
 "To convert currencies, enter the <link xref=\"financial\">financial "
 "mode</link>, and use the currency controls."
 msgstr ""
+"Para convertir monedas, introduzca el<link xref=\"financial\">modo "
+"financiero</link>, y utiliza los controles de moneda."
 
 #. (itstool) path: page/p
 #: C/conv-currency.page:14
@@ -271,7 +277,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/conv-length.page:9
 msgid "Length/Area/Volume"
-msgstr ""
+msgstr "Longitud, área y volumen"
 
 #. (itstool) path: page/p
 #: C/conv-length.page:11
@@ -313,17 +319,17 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/conv-time.page:15
 msgid "3 years in hours"
-msgstr ""
+msgstr "3 años en horas"
 
 #. (itstool) path: note/p
 #: C/conv-time.page:20
 msgid "Time conversions must be performed using the keyboard."
-msgstr ""
+msgstr "Las conversiones de tiempo deben efectuarse con el teclado."
 
 #. (itstool) path: page/title
 #: C/conv-weight.page:9
 msgid "Mass"
-msgstr ""
+msgstr "Masa"
 
 #. (itstool) path: page/p
 #: C/conv-weight.page:11
@@ -333,7 +339,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/conv-weight.page:15
 msgid "1kg in pounds"
-msgstr ""
+msgstr "1kg en libras"
 
 #. (itstool) path: note/p
 #: C/conv-weight.page:20
@@ -349,7 +355,7 @@ msgstr "0"
 #. (itstool) path: page/title
 #: C/equation.page:11
 msgid "Basic Equations"
-msgstr ""
+msgstr "Ecuaciones básicas"
 
 #. (itstool) path: page/p
 #: C/equation.page:13
@@ -361,7 +367,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/equation.page:18
 msgid "7+2"
-msgstr ""
+msgstr "7+2"
 
 #. (itstool) path: page/p
 #: C/equation.page:22
@@ -381,7 +387,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/equation.page:30
 msgid "7−3×2"
-msgstr ""
+msgstr "7−3×2"
 
 #. (itstool) path: page/p
 #: C/equation.page:34
@@ -393,7 +399,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/equation.page:39
 msgid "(7−3)×2"
-msgstr ""
+msgstr "(7−3)×2"
 
 #. (itstool) path: page/p
 #: C/equation.page:43
@@ -404,7 +410,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/factorial.page:9
 msgid "Factorials"
-msgstr ""
+msgstr "Factoriales"
 
 #. (itstool) path: page/p
 #: C/factorial.page:11
@@ -412,16 +418,18 @@ msgid ""
 "Factorials are entered using the ! symbol. To calculate the factorial of 6 "
 "enter the following."
 msgstr ""
+"Los factoriales son introducidos utilizando el símbolo !. Para calcular el "
+"factorial de 6 introduzca lo siguiente."
 
 #. (itstool) path: example/p
 #: C/factorial.page:16
 msgid "6!"
-msgstr ""
+msgstr "6!"
 
 #. (itstool) path: page/title
 #: C/factorize.page:9
 msgid "Factorization"
-msgstr ""
+msgstr "Factorización"
 
 #. (itstool) path: page/p
 #: C/factorize.page:11
@@ -442,7 +450,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/financial.page:9
 msgid "Financial Functions"
-msgstr ""
+msgstr "Funciones financieras"
 
 #. (itstool) path: page/p
 #: C/financial.page:10
@@ -599,7 +607,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/functions.page:16
 msgid "sin 30"
-msgstr ""
+msgstr "sen 30"
 
 #. (itstool) path: example/p
 #: C/functions.page:19
@@ -609,7 +617,7 @@ msgstr ""
 #. (itstool) path: page/p
 #: C/functions.page:23
 msgid "The following functions are defined."
-msgstr ""
+msgstr "Las funciones siguientes están definidas."
 
 #. (itstool) path: td/p
 #: C/functions.page:28
@@ -619,7 +627,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/functions.page:29
 msgid "<link xref=\"absolute\">Absolute Value</link>"
-msgstr ""
+msgstr "<link xref=\"absolute\">Valor absoluto</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:32
@@ -629,7 +637,7 @@ msgstr "cos"
 #. (itstool) path: td/p
 #: C/functions.page:33
 msgid "<link xref=\"trigonometry\">Cosine</link>"
-msgstr ""
+msgstr "<link xref=\"trigonometry\">Coseno</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:36
@@ -659,7 +667,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/functions.page:45
 msgid "Fractional Component"
-msgstr "Parte fraccional"
+msgstr "Parte fraccionaria"
 
 #. (itstool) path: td/p
 #: C/functions.page:48
@@ -739,7 +747,7 @@ msgstr "sqrt"
 #. (itstool) path: td/p
 #: C/functions.page:77
 msgid "<link xref=\"power\">Square Root</link>"
-msgstr ""
+msgstr "<link xref=\"power\">Raíz cuadrada</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:80
@@ -769,32 +777,34 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/functions.page:89
 msgid "Twos complement"
-msgstr ""
+msgstr "Dos complementos"
 
 #. (itstool) path: td/p
 #: C/functions.page:92
 msgid "zeta"
-msgstr ""
+msgstr "zeta"
 
 #. (itstool) path: td/p
 #: C/functions.page:93
 msgid "Riemann zeta function"
-msgstr ""
+msgstr "Función zeta de Riemann"
 
 #. (itstool) path: page/p
 #: C/functions.page:96
 msgid "<app>MATE Calculator</app> does not support user-defined functions."
 msgstr ""
+"La <app>Calculadora MATE</app> no mantiene funciones definidas por el "
+"usuario."
 
 #. (itstool) path: credit/name
 #: C/index.page:7
 msgid "Robert Ancell"
-msgstr ""
+msgstr "Robert Ancell"
 
 #. (itstool) path: page/title
 #: C/index.page:13
 msgid "MATE Calculator Help"
-msgstr ""
+msgstr "Ayuda de Calculadora de MATE"
 
 #. (itstool) path: section/title
 #: C/index.page:16
@@ -804,7 +814,7 @@ msgstr "Interfaz de usuario"
 #. (itstool) path: section/title
 #: C/index.page:20
 msgid "Equations"
-msgstr ""
+msgstr "Ecuaciones"
 
 #. (itstool) path: section/title
 #: C/index.page:24
@@ -814,17 +824,17 @@ msgstr "Números"
 #. (itstool) path: section/title
 #: C/index.page:28
 msgid "Conversions"
-msgstr ""
+msgstr "Conversiones"
 
 #. (itstool) path: section/title
 #: C/index.page:32
 msgid "Financial Calculations"
-msgstr ""
+msgstr "Cálculos financieros"
 
 #. (itstool) path: page/title
 #: C/keyboard.page:9
 msgid "Using the Keyboard"
-msgstr ""
+msgstr "Usar el teclado"
 
 #. (itstool) path: page/p
 #: C/keyboard.page:11
@@ -837,6 +847,8 @@ msgid ""
 "The following key combinations can be used to enter keys that may not be "
 "available on your keyboard."
 msgstr ""
+"Las siguientes combinaciones de teclas pueden ser utilizadas para teclas que"
+" no puedan estar disponibles en su teclado."
 
 #. (itstool) path: td/p
 #: C/keyboard.page:19
@@ -846,7 +858,7 @@ msgstr "×"
 #. (itstool) path: td/p
 #: C/keyboard.page:20
 msgid "<key>*</key>"
-msgstr ""
+msgstr "<key>*</key>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:23
@@ -856,17 +868,17 @@ msgstr "÷"
 #. (itstool) path: td/p
 #: C/keyboard.page:24
 msgid "<key>/</key>"
-msgstr ""
+msgstr "<key>/</key>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:27
 msgid "^"
-msgstr ""
+msgstr "^"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:28
 msgid "<key>*</key> twice"
-msgstr ""
+msgstr "<key>*</key> dos veces"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:31
@@ -876,7 +888,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/keyboard.page:32
 msgid "<keyseq><key>Ctrl</key><key>R</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>R</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:35 C/variables.page:48
@@ -886,7 +898,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/keyboard.page:36
 msgid "<keyseq><key>Ctrl</key><key>P</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>P</key></keyseq>"
 
 #. (itstool) path: page/p
 #: C/keyboard.page:39
@@ -931,7 +943,7 @@ msgstr "Decimal"
 #. (itstool) path: td/p
 #: C/keyboard.page:56
 msgid "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:59 C/number-display.page:36
@@ -1175,12 +1187,12 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/percentage.page:9
 msgid "Percentages"
-msgstr ""
+msgstr "Porcentajes"
 
 #. (itstool) path: page/p
 #: C/percentage.page:11
 msgid "Percentages are calculated using the % symbol."
-msgstr ""
+msgstr "Los porcentajes se calculan mediante el símbolo %."
 
 #. (itstool) path: page/p
 #: C/percentage.page:14
diff --git a/help/es_AR/es_AR.po b/help/es_AR/es_AR.po
index 826809f..ebc58cb 100644
--- a/help/es_AR/es_AR.po
+++ b/help/es_AR/es_AR.po
@@ -7,15 +7,15 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: mbarbero <[email protected]>, 2018\n"
-"Language-Team: Spanish (Argentina) (https://www.transifex.com/mate/teams/13566/es_AR/)\n"
+"Language-Team: Spanish (Argentina) (https://app.transifex.com/mate/teams/13566/es_AR/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es_AR\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Put one translator per line, in the form NAME <EMAIL>, YEAR1, YEAR2
 msgctxt "_"
diff --git a/help/es_CO/es_CO.po b/help/es_CO/es_CO.po
index b80a11c..e37abc1 100644
--- a/help/es_CO/es_CO.po
+++ b/help/es_CO/es_CO.po
@@ -7,15 +7,15 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Sergio Alejandro Bayona Becerra <[email protected]>, 2018\n"
-"Language-Team: Spanish (Colombia) (https://www.transifex.com/mate/teams/13566/es_CO/)\n"
+"Language-Team: Spanish (Colombia) (https://app.transifex.com/mate/teams/13566/es_CO/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es_CO\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Put one translator per line, in the form NAME <EMAIL>, YEAR1, YEAR2
 msgctxt "_"
diff --git a/help/es_MX/es_MX.po b/help/es_MX/es_MX.po
index 59814e8..3d356fb 100644
--- a/help/es_MX/es_MX.po
+++ b/help/es_MX/es_MX.po
@@ -8,15 +8,15 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Luis Armando Medina <[email protected]>, 2018\n"
-"Language-Team: Spanish (Mexico) (https://www.transifex.com/mate/teams/13566/es_MX/)\n"
+"Language-Team: Spanish (Mexico) (https://app.transifex.com/mate/teams/13566/es_MX/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es_MX\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Put one translator per line, in the form NAME <EMAIL>, YEAR1, YEAR2
 msgctxt "_"
diff --git a/help/et/et.po b/help/et/et.po
index a87e916..f888a1f 100644
--- a/help/et/et.po
+++ b/help/et/et.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Estonian (https://www.transifex.com/mate/teams/13566/et/)\n"
+"Language-Team: Estonian (https://app.transifex.com/mate/teams/13566/et/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/eu/eu.po b/help/eu/eu.po
index 03a05e7..5657d22 100644
--- a/help/eu/eu.po
+++ b/help/eu/eu.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Basque (https://www.transifex.com/mate/teams/13566/eu/)\n"
+"Language-Team: Basque (https://app.transifex.com/mate/teams/13566/eu/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/fa/fa.po b/help/fa/fa.po
index 038470d..59a9591 100644
--- a/help/fa/fa.po
+++ b/help/fa/fa.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Persian (https://www.transifex.com/mate/teams/13566/fa/)\n"
+"Language-Team: Persian (https://app.transifex.com/mate/teams/13566/fa/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/fi/fi.po b/help/fi/fi.po
index 9989acd..b1223e2 100644
--- a/help/fi/fi.po
+++ b/help/fi/fi.po
@@ -9,10 +9,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Kimmo Kujansuu <[email protected]>, 2020\n"
-"Language-Team: Finnish (https://www.transifex.com/mate/teams/13566/fi/)\n"
+"Language-Team: Finnish (https://app.transifex.com/mate/teams/13566/fi/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/fr/fr.po b/help/fr/fr.po
index f5aa223..7f9e714 100644
--- a/help/fr/fr.po
+++ b/help/fr/fr.po
@@ -9,15 +9,15 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Firokat Informatique <[email protected]>, 2020\n"
-"Language-Team: French (https://www.transifex.com/mate/teams/13566/fr/)\n"
+"Language-Team: French (https://app.transifex.com/mate/teams/13566/fr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: fr\n"
-"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"Plural-Forms: nplurals=3; plural=(n == 0 || n == 1) ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Put one translator per line, in the form NAME <EMAIL>, YEAR1, YEAR2
 msgctxt "_"
diff --git a/help/frp/frp.po b/help/frp/frp.po
index bfbbae2..da71391 100644
--- a/help/frp/frp.po
+++ b/help/frp/frp.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Alexandre Raymond, 2018\n"
-"Language-Team: Franco-Provençal (Arpitan) (https://www.transifex.com/mate/teams/13566/frp/)\n"
+"Language-Team: Franco-Provençal (Arpitan) (https://app.transifex.com/mate/teams/13566/frp/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ga/ga.po b/help/ga/ga.po
index 121d64c..893ed21 100644
--- a/help/ga/ga.po
+++ b/help/ga/ga.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Irish (https://www.transifex.com/mate/teams/13566/ga/)\n"
+"Language-Team: Irish (https://app.transifex.com/mate/teams/13566/ga/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/gl/gl.po b/help/gl/gl.po
index 3fb5f07..88787ac 100644
--- a/help/gl/gl.po
+++ b/help/gl/gl.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Miguel Anxo Bouzada <[email protected]>, 2019\n"
-"Language-Team: Galician (https://www.transifex.com/mate/teams/13566/gl/)\n"
+"Language-Team: Galician (https://app.transifex.com/mate/teams/13566/gl/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/gu/gu.po b/help/gu/gu.po
index b2aa02b..7860e77 100644
--- a/help/gu/gu.po
+++ b/help/gu/gu.po
@@ -2,14 +2,15 @@
 # Translators:
 # Milan Savaliya <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
+# Jay Patel <[email protected]>, 2021
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Gujarati (https://www.transifex.com/mate/teams/13566/gu/)\n"
+"Last-Translator: Jay Patel <[email protected]>, 2021\n"
+"Language-Team: Gujarati (https://app.transifex.com/mate/teams/13566/gu/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -688,7 +689,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/functions.page:60
 msgid "not"
-msgstr ""
+msgstr "નથી"
 
 #. (itstool) path: td/p
 #: C/functions.page:61
diff --git a/help/he/he.po b/help/he/he.po
index 823b1d6..b79e913 100644
--- a/help/he/he.po
+++ b/help/he/he.po
@@ -2,15 +2,15 @@
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
 # Yaron Shahrabani <[email protected]>, 2020
-# Omer I.S. <[email protected]>, 2021
+# 63f334ffc0709ba0fc2361b80bf3c0f0_00ffd1e <ab96c93ca0ac55ba7fa06385427e60dd_878890>, 2021
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Omer I.S. <[email protected]>, 2021\n"
-"Language-Team: Hebrew (https://www.transifex.com/mate/teams/13566/he/)\n"
+"Last-Translator: 63f334ffc0709ba0fc2361b80bf3c0f0_00ffd1e <ab96c93ca0ac55ba7fa06385427e60dd_878890>, 2021\n"
+"Language-Team: Hebrew (https://app.transifex.com/mate/teams/13566/he/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/hi/hi.po b/help/hi/hi.po
index b5afc89..94fae85 100644
--- a/help/hi/hi.po
+++ b/help/hi/hi.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Hindi (https://www.transifex.com/mate/teams/13566/hi/)\n"
+"Language-Team: Hindi (https://app.transifex.com/mate/teams/13566/hi/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/hr/hr.po b/help/hr/hr.po
index 9e38eeb..fa2f9c8 100644
--- a/help/hr/hr.po
+++ b/help/hr/hr.po
@@ -1,17 +1,17 @@
 # 
 # Translators:
 # Elvis M. Lukšić <[email protected]>, 2018
-# Ivica  Kolić <[email protected]>, 2018
 # Tomislav Krznar <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
+# Ivica  Kolić <[email protected]>, 2021
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Croatian (https://www.transifex.com/mate/teams/13566/hr/)\n"
+"Last-Translator: Ivica  Kolić <[email protected]>, 2021\n"
+"Language-Team: Croatian (https://app.transifex.com/mate/teams/13566/hr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -49,7 +49,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/absolute.page:9
 msgid "Absolute Values"
-msgstr ""
+msgstr "Apsolutne vrijednosti"
 
 #. (itstool) path: page/p
 #: C/absolute.page:11
@@ -84,22 +84,22 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/base.page:16
 msgid "1001011₂"
-msgstr ""
+msgstr "1001011₂"
 
 #. (itstool) path: example/p
 #: C/base.page:19
 msgid "113₈"
-msgstr ""
+msgstr "113₈"
 
 #. (itstool) path: example/p
 #: C/base.page:22
 msgid "75"
-msgstr ""
+msgstr "75"
 
 #. (itstool) path: example/p
 #: C/base.page:25
 msgid "4B₁₆"
-msgstr ""
+msgstr "4B₁₆"
 
 #. (itstool) path: page/p
 #: C/base.page:29
@@ -109,6 +109,10 @@ msgid ""
 "(<keyseq><key>Ctrl</key><key>O</key></keyseq>) and hexadecimal "
 "(<keyseq><key>Ctrl</key><key>H</key></keyseq>)."
 msgstr ""
+"Kada je u <link xref=\"mouse\">programskom modu</link> postoje gumbi za "
+"binarni (<keyseq><key>Ctrl</key><key>B</key></keyseq>), octalni "
+"(<keyseq><key>Ctrl</key><key>O</key></keyseq>) i heksadecimalni "
+"(<keyseq><key>Ctrl</key><key>H</key></keyseq>)."
 
 #. (itstool) path: page/p
 #: C/base.page:32
@@ -127,7 +131,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/boolean.page:9
 msgid "Boolean Algebra"
-msgstr ""
+msgstr "Booleanska algebra"
 
 #. (itstool) path: page/p
 #: C/boolean.page:11
@@ -137,7 +141,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/boolean.page:15
 msgid "010011₂ AND 110101₂"
-msgstr ""
+msgstr "010011₂ AND 110101₂"
 
 #. (itstool) path: page/p
 #: C/boolean.page:19
@@ -162,7 +166,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/complex.page:9
 msgid "Complex Numbers"
-msgstr ""
+msgstr "Kompleksni brojevi"
 
 #. (itstool) path: page/p
 #: C/complex.page:11
diff --git a/help/hu/hu.po b/help/hu/hu.po
index 15c1deb..c4a19a0 100644
--- a/help/hu/hu.po
+++ b/help/hu/hu.po
@@ -9,10 +9,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Csaba Székely <[email protected]>, 2019\n"
-"Language-Team: Hungarian (https://www.transifex.com/mate/teams/13566/hu/)\n"
+"Language-Team: Hungarian (https://app.transifex.com/mate/teams/13566/hu/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/hy/hy.po b/help/hy/hy.po
index 5f4cf84..eb3963c 100644
--- a/help/hy/hy.po
+++ b/help/hy/hy.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Siranush <[email protected]>, 2018\n"
-"Language-Team: Armenian (https://www.transifex.com/mate/teams/13566/hy/)\n"
+"Language-Team: Armenian (https://app.transifex.com/mate/teams/13566/hy/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/id/id.po b/help/id/id.po
index ef7ee39..330e473 100644
--- a/help/id/id.po
+++ b/help/id/id.po
@@ -4,16 +4,16 @@
 # Stefano Karapetsas <[email protected]>, 2018
 # Ibnu Daru Aji, 2018
 # Willy Sudiarto Raharjo <[email protected]>, 2018
-# Andika Triwidada <[email protected]>, 2020
 # Aryo Kamandanu <[email protected]>, 2021
+# Andika Triwidada <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Aryo Kamandanu <[email protected]>, 2021\n"
-"Language-Team: Indonesian (https://www.transifex.com/mate/teams/13566/id/)\n"
+"Last-Translator: Andika Triwidada <[email protected]>, 2022\n"
+"Language-Team: Indonesian (https://app.transifex.com/mate/teams/13566/id/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -879,7 +879,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/keyboard.page:32
 msgid "<keyseq><key>Ctrl</key><key>R</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>R</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:35 C/variables.page:48
@@ -889,7 +889,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/keyboard.page:36
 msgid "<keyseq><key>Ctrl</key><key>P</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>P</key></keyseq>"
 
 #. (itstool) path: page/p
 #: C/keyboard.page:39
@@ -924,7 +924,7 @@ msgstr "Oktal"
 #. (itstool) path: td/p
 #: C/keyboard.page:52
 msgid "<keyseq><key>Ctrl</key><key>O</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>O</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:55 C/number-display.page:16
@@ -934,7 +934,7 @@ msgstr "Desimal"
 #. (itstool) path: td/p
 #: C/keyboard.page:56
 msgid "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:59 C/number-display.page:36
@@ -979,7 +979,7 @@ msgstr ""
 #. (itstool) path: license/p
 #: C/legal.xml:3
 msgid "This work is licensed under a <_:link-1/>."
-msgstr ""
+msgstr "Karya ini dilisensikan di bawah <_:link-1/>."
 
 #. (itstool) path: license/p
 #: C/legal.xml:6
@@ -988,6 +988,9 @@ msgid ""
 "modify, and distribute the example code contained in this document under the"
 " terms of your choosing, without restriction."
 msgstr ""
+"Sebagai pengecualian khusus, pemilik hak cipta memberikan izin untuk "
+"menyalin, memodifikasi, dan mendistribusikan kode contoh yang terdapat pada "
+"dokumen ini di bawah syarat yang Anda pilih, tanpa pembatasan."
 
 #. (itstool) path: page/title
 #: C/logarithm.page:9
@@ -1444,7 +1447,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/variables.page:9
 msgid "Variables"
-msgstr ""
+msgstr "Variabel"
 
 #. (itstool) path: page/p
 #: C/variables.page:11
diff --git a/help/ie/ie.po b/help/ie/ie.po
index 3a8e764..e802c3d 100644
--- a/help/ie/ie.po
+++ b/help/ie/ie.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Caarmi, 2020\n"
-"Language-Team: Interlingue (https://www.transifex.com/mate/teams/13566/ie/)\n"
+"Language-Team: Interlingue (https://app.transifex.com/mate/teams/13566/ie/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/is/is.po b/help/is/is.po
index 4163555..ad37bff 100644
--- a/help/is/is.po
+++ b/help/is/is.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Icelandic (https://www.transifex.com/mate/teams/13566/is/)\n"
+"Language-Team: Icelandic (https://app.transifex.com/mate/teams/13566/is/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/it/it.po b/help/it/it.po
index 8ddaf7f..5f066ad 100644
--- a/help/it/it.po
+++ b/help/it/it.po
@@ -5,27 +5,27 @@
 # andrea pittaro <[email protected]>, 2019
 # Wolfgang Ulbrich <[email protected]>, 2019
 # Enrico B. <[email protected]>, 2019
-# Alessandro Volturno <[email protected]>, 2021
+# Alessandro Volturno <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Alessandro Volturno <[email protected]>, 2021\n"
-"Language-Team: Italian (https://www.transifex.com/mate/teams/13566/it/)\n"
+"Last-Translator: Alessandro Volturno <[email protected]>, 2022\n"
+"Language-Team: Italian (https://app.transifex.com/mate/teams/13566/it/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: it\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Put one translator per line, in the form NAME <EMAIL>, YEAR1, YEAR2
 msgctxt "_"
 msgid "translator-credits"
 msgstr ""
 "Enrico Bella, 2019\n"
-"Alessandro Volturno, 2020"
+"Alessandro Volturno, 2020, 2022"
 
 #. (itstool) path: page/title
 #: C/absolute.page:9
@@ -63,9 +63,9 @@ msgid ""
 "xref=\"superscript\">subscript numbers</link>. The following numbers are "
 "equivalent."
 msgstr ""
-"Per inserire un numero in una base particolare, utilizzare il numero<link "
-"xref=\"superscript\"> con il pedice </link>. Le notazioni seguenti sono "
-"equivalenti."
+"Per inserire un numero in una base particolare, utilizzare il <link "
+"xref=\"superscript\">numero con il pedice </link>. Le notazioni seguenti "
+"sono equivalenti."
 
 #. (itstool) path: example/p
 #: C/base.page:16
@@ -106,8 +106,8 @@ msgid ""
 "To set the base that results are shown in change the <link xref=\"number-"
 "display\">result format</link>."
 msgstr ""
-"Per impostare la base con cui mostrare i risultati <link xref=\"number-"
-"display\"> selezionare il formato </link>."
+"Per impostare la base con cui mostrare i risultati modificare il <link "
+"xref=\"number-display\">formato del risultato </link>."
 
 #. (itstool) path: page/p
 #: C/base.page:35
@@ -115,9 +115,9 @@ msgid ""
 "To change the base of the current result use a base button or "
 "<keyseq><key>Ctrl</key><key>D</key></keyseq> to show in decimal form."
 msgstr ""
-"Per cambiare la base del risultato corrente utilizzare un pulsante delle "
-"basi oppure <keyseq><key>Ctrl</key> <key>D</key></keyseq> per mostrarlo in "
-"forma decimale."
+"Per cambiare la base del risultato corrente utilizzare un pulsante per "
+"modificare la base oppure <keyseq><key>Ctrl</key> <key>D</key></keyseq> per "
+"mostrarlo in forma decimale."
 
 #. (itstool) path: page/title
 #: C/boolean.page:9
@@ -172,8 +172,9 @@ msgid ""
 "<app>MATE Calculator</app> supports complex numbers, as well as the "
 "following functions while in <link xref=\"mouse\">Advanced mode</link>."
 msgstr ""
-"<app>Calcolatrice di MATE</app> supporta i numeri complessi e le seguenti "
-"funzioni de si è in <link xref=\"mouse\">modalità  Avanzata</link>."
+"<app>MATE Calculator</app> supporta i numeri complessi e le seguenti "
+"funzioni se ci si trova nella <link xref=\"mouse\">modalità  "
+"Avanzata</link>."
 
 #. (itstool) path: td/p
 #: C/complex.page:18
@@ -375,7 +376,7 @@ msgstr "Per convertire tra le unità di massa, usare l'operatore <em>in</em>:"
 #. (itstool) path: example/p
 #: C/conv-weight.page:15
 msgid "1kg in pounds"
-msgstr "1 Kg in pounds"
+msgstr "1 Kg in libbre"
 
 #. (itstool) path: note/p
 #: C/conv-weight.page:20
@@ -392,7 +393,7 @@ msgstr "0"
 #. (itstool) path: page/title
 #: C/equation.page:11
 msgid "Basic Equations"
-msgstr "Equazioni"
+msgstr "Equazioni basilari"
 
 #. (itstool) path: page/p
 #: C/equation.page:13
@@ -400,8 +401,8 @@ msgid ""
 "Equations are entered in standard mathematical form. For example to add 7 "
 "and 2 enter the following:"
 msgstr ""
-"Le equazioni sono scritte in forma matematica normale. Per esempio, per "
-"sommare 7 e 2, inserisci il seguente testo:"
+"Le equazioni sono scritte in forma matematica standard. Per esempio, per "
+"sommare 7 e 2, inserire il seguente testo:"
 
 #. (itstool) path: example/p
 #: C/equation.page:18
@@ -477,7 +478,7 @@ msgstr "6!"
 #. (itstool) path: page/title
 #: C/factorize.page:9
 msgid "Factorization"
-msgstr "Fattorizzazione"
+msgstr "Scomposizione in fattori"
 
 #. (itstool) path: page/p
 #: C/factorize.page:11
@@ -504,7 +505,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/financial.page:9
 msgid "Financial Functions"
-msgstr "Funzioni Finanziarie"
+msgstr "Funzioni finanziarie"
 
 #. (itstool) path: page/p
 #: C/financial.page:10
@@ -538,7 +539,7 @@ msgid ""
 "Calculate the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
-"Calcolare il tasso di ammortamento di un bene per un determinato periodo di "
+"Calcola il tasso di ammortamento di un bene per un determinato periodo di "
 "tempo, utilizzando il metodo a quote dimezzate."
 
 #. (itstool) path: td/p
@@ -689,13 +690,13 @@ msgid ""
 msgstr ""
 "Le funzioni possono essere utilizzate inserendo il nome della funzione "
 "seguito dall'argomento della funzione. Se l'argomento non è un numero o una "
-"<link xref=\"variable\">variabile</link>, usaree le parentesi attorno ad "
-"esso."
+"<link xref=\"variable\">variabile</link>, utilizzare le parentesi attorno ad"
+" esso."
 
 #. (itstool) path: example/p
 #: C/functions.page:16
 msgid "sin 30"
-msgstr "seno 30"
+msgstr "sin 30"
 
 #. (itstool) path: example/p
 #: C/functions.page:19
@@ -715,7 +716,7 @@ msgstr "abs"
 #. (itstool) path: td/p
 #: C/functions.page:29
 msgid "<link xref=\"absolute\">Absolute Value</link>"
-msgstr "Valore Assoluto"
+msgstr "<link xref=\"absolute\">Valore Assoluto</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:32
@@ -725,7 +726,7 @@ msgstr "cos"
 #. (itstool) path: td/p
 #: C/functions.page:33
 msgid "<link xref=\"trigonometry\">Cosine</link>"
-msgstr "Coseno"
+msgstr "<link xref=\"trigonometry\">Coseno</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:36
@@ -735,7 +736,7 @@ msgstr "cosh"
 #. (itstool) path: td/p
 #: C/functions.page:37
 msgid "<link xref=\"trigonometry\">Hyperbolic Cosine</link>"
-msgstr "Coseno iperbolico"
+msgstr "<link xref=\"trigonometry\">Coseno iperbolico</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:40
@@ -775,7 +776,7 @@ msgstr "ln"
 #. (itstool) path: td/p
 #: C/functions.page:53
 msgid "<link xref=\"logarithm\">Natural Logarithm</link>"
-msgstr "Logaritmo Naturale"
+msgstr "<link xref=\"logarithm\">Logaritmo Naturale</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:56
@@ -785,7 +786,7 @@ msgstr "log"
 #. (itstool) path: td/p
 #: C/functions.page:57
 msgid "<link xref=\"logarithm\">Logarithm</link>"
-msgstr "Logaritmo"
+msgstr "<link xref=\"logarithm\">Logaritmo</link>"
 
 #. (itstool) path: td/p
 #: C/functions.page:60
@@ -881,7 +882,7 @@ msgstr "Funzione zeta di Riemann"
 #: C/functions.page:96
 msgid "<app>MATE Calculator</app> does not support user-defined functions."
 msgstr ""
-"<app>Calcolatrice di MATE</app> non supporta funzioni definite dall'utente."
+"<app>MATE Calculator</app> non supporta le funzioni definite dall'utente."
 
 #. (itstool) path: credit/name
 #: C/index.page:7
@@ -891,7 +892,7 @@ msgstr "Robert Ancell"
 #. (itstool) path: page/title
 #: C/index.page:13
 msgid "MATE Calculator Help"
-msgstr "Manuale di Aiuto di Calcolatrice di MATE"
+msgstr "Manuale di Aiuto di MATE Calculator"
 
 #. (itstool) path: section/title
 #: C/index.page:16
@@ -1184,7 +1185,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/mouse.page:17
 msgid "Basic"
-msgstr "Generali"
+msgstr "Base"
 
 #. (itstool) path: td/p
 #: C/mouse.page:18
@@ -1205,8 +1206,8 @@ msgid ""
 "Provides buttons suitable for advanced mathematics such as <link "
 "xref=\"trigonometry\"/>"
 msgstr ""
-"Mostra i pulsanti necessari a eseguire funzioni matematiche avanzate come ad"
-" esempio <link xref=\"trigonometry\"/>"
+"Fornisce i pulsanti necessari ad eseguire funzioni matematiche avanzate come"
+" ad esempio <link xref=\"trigonometry\"/>"
 
 #. (itstool) path: td/p
 #: C/mouse.page:25
@@ -1219,7 +1220,7 @@ msgid ""
 "Provides buttons suitable for <link xref=\"financial\">financial "
 "equations</link>"
 msgstr ""
-"Mostra i pulsanti relativi alle <link xref=\"financial\">equazioni "
+"Fornisce i pulsanti relativi alle <link xref=\"financial\">equazioni "
 "finanziarie</link>"
 
 #. (itstool) path: td/p
@@ -1230,7 +1231,7 @@ msgstr "Programmazione"
 #. (itstool) path: td/p
 #: C/mouse.page:30
 msgid "Provides buttons suitable for computer programmers"
-msgstr "Mostra i pulsanti dedicati ai programmatori di computer"
+msgstr "Fornisce i pulsanti dedicati ai programmatori di computer"
 
 #. (itstool) path: page/title
 #: C/number-display.page:9
@@ -1276,8 +1277,8 @@ msgid ""
 "Results are displayed in scientific notation except the exponent is always a"
 " multiple of three"
 msgstr ""
-"I numeri verranno mostrati in notazione scientifica mantenendo l'esponente "
-"fisso su un multiplo di 3"
+"I numeri verranno mostrati in notazione scientifica eccetto il fatto che "
+"l'esponente è sempre un multiplo di 3"
 
 #. (itstool) path: td/p
 #: C/number-display.page:29
@@ -1304,9 +1305,8 @@ msgid ""
 "The number of decimal places, if trailing zeroes and if thousands separators"
 " are shown can also be configured."
 msgstr ""
-"Può essere configurato anche il numero di cifre significative mostrate, se "
-"il numero di zeri terminali o se l'opzione di mostrare il separatore delle "
-"migliaia è attivata."
+"Può essere configurato anche il numero di cifre significative, se il numero "
+"di zeri terminali e il separatore delle migliaia sono mostrati."
 
 #. (itstool) path: page/title
 #: C/percentage.page:9
@@ -1325,10 +1325,10 @@ msgid ""
 "the value being added or subtracted from. The following equation calculates "
 "the price of a $140 item with 15% tax (140 + (15÷100)×140)."
 msgstr ""
-"Quando il simbolo della percentuale viene sommato o sottratto, esso viene "
-"risolto come l'uno per cento del valore da cui è sommato o sottratto. La "
-"seguente equazione calcola il prezzo di un oggetto di €140 addizionato di "
-"una tassa del 15% (140 + (15÷100)×140)."
+"Quando la percentuale viene sommata o sottratta, il simbolo della "
+"percentuale viene risolto come l'uno per cento del valore da cui è sommato o"
+" sottratto. La seguente equazione calcola il prezzo di un oggetto di €140 "
+"addizionato di una tassa del 15% (140 + (15÷100)×140)."
 
 #. (itstool) path: example/p
 #: C/percentage.page:19
@@ -1438,7 +1438,7 @@ msgstr "₃√2"
 #. (itstool) path: page/title
 #: C/scientific.page:9
 msgid "Scientific Notation"
-msgstr "Notazione Scientifica"
+msgstr "Notazione scientifica"
 
 #. (itstool) path: page/p
 #: C/scientific.page:11
@@ -1488,8 +1488,8 @@ msgid ""
 "To show results in scientific form change the <link xref=\"number-"
 "display\">result format</link>."
 msgstr ""
-"Per modificare la visualizzazione del risultato in notazione scientifica, "
-"cambiate il <link xref=\"number-display\">formato del risultato</link>."
+"Per mostrare il risultato in notazione scientifica, cambiate il <link "
+"xref=\"number-display\">formato del risultato</link>."
 
 #. (itstool) path: info/title
 #: C/superscript.page:7
@@ -1715,4 +1715,4 @@ msgstr "rand"
 #. (itstool) path: td/p
 #: C/variables.page:53
 msgid "Random value in the range [0,1] (changes on each read)"
-msgstr "Valore casuale nell'intervallo [0,1] (cambia ad ogni esecuzione)"
+msgstr "Valore casuale nell'intervallo [0,1] (cambia ad ogni letura)"
diff --git a/help/ja/ja.po b/help/ja/ja.po
index 9adba8e..045e66a 100644
--- a/help/ja/ja.po
+++ b/help/ja/ja.po
@@ -1,15 +1,16 @@
 # 
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# Green, 2021
+# Wolfgang Ulbrich <[email protected]>, 2023
+# Green <[email protected]>, 2024
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Green, 2021\n"
-"Language-Team: Japanese (https://www.transifex.com/mate/teams/13566/ja/)\n"
+"Last-Translator: Green <[email protected]>, 2024\n"
+"Language-Team: Japanese (https://app.transifex.com/mate/teams/13566/ja/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -116,8 +117,8 @@ msgid ""
 "To change the base of the current result use a base button or "
 "<keyseq><key>Ctrl</key><key>D</key></keyseq> to show in decimal form."
 msgstr ""
-"現在の結果のベースを変更するには、基本ボタンまたは <keyseq><key>Ctrl</key>D<key></keyseq>を使用して 10 "
-"進法で表示します。"
+"現在の結果のベースを変更するには、基本ボタンまたは <keyseq><key>Ctrl</key><key>D</key></keyseq>を使用して "
+"10 進法で表示します。"
 
 #. (itstool) path: page/title
 #: C/boolean.page:9
@@ -811,7 +812,7 @@ msgstr "リーマンのゼータ関数"
 #. (itstool) path: page/p
 #: C/functions.page:96
 msgid "<app>MATE Calculator</app> does not support user-defined functions."
-msgstr "<app>MATE 電卓</app>は、ユーザー定義関数をサポートしていません。"
+msgstr "<app>MATE 電卓</app>は、ユーザ定義関数をサポートしていません。"
 
 #. (itstool) path: credit/name
 #: C/index.page:7
diff --git a/help/ka/ka.po b/help/ka/ka.po
index 2330583..8993bf3 100644
--- a/help/ka/ka.po
+++ b/help/ka/ka.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Georgian (https://www.transifex.com/mate/teams/13566/ka/)\n"
+"Language-Team: Georgian (https://app.transifex.com/mate/teams/13566/ka/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/kk/kk.po b/help/kk/kk.po
index 0c59903..769d44d 100644
--- a/help/kk/kk.po
+++ b/help/kk/kk.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Kazakh (https://www.transifex.com/mate/teams/13566/kk/)\n"
+"Language-Team: Kazakh (https://app.transifex.com/mate/teams/13566/kk/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/km/km.po b/help/km/km.po
index 162ece6..b482449 100644
--- a/help/km/km.po
+++ b/help/km/km.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Khmer (https://www.transifex.com/mate/teams/13566/km/)\n"
+"Language-Team: Khmer (https://app.transifex.com/mate/teams/13566/km/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/kn/kn.po b/help/kn/kn.po
index 61d99fe..2ad97f5 100644
--- a/help/kn/kn.po
+++ b/help/kn/kn.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Kannada (https://www.transifex.com/mate/teams/13566/kn/)\n"
+"Language-Team: Kannada (https://app.transifex.com/mate/teams/13566/kn/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ko/ko.po b/help/ko/ko.po
index 09770f2..0a276b0 100644
--- a/help/ko/ko.po
+++ b/help/ko/ko.po
@@ -2,15 +2,15 @@
 # Translators:
 # Seong-ho Cho <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
-# JungHee Lee <[email protected]>, 2021
+# Junghee Lee <[email protected]>, 2021
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: JungHee Lee <[email protected]>, 2021\n"
-"Language-Team: Korean (https://www.transifex.com/mate/teams/13566/ko/)\n"
+"Last-Translator: Junghee Lee <[email protected]>, 2021\n"
+"Language-Team: Korean (https://app.transifex.com/mate/teams/13566/ko/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ku/ku.po b/help/ku/ku.po
index f2881a2..99c63c6 100644
--- a/help/ku/ku.po
+++ b/help/ku/ku.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Kurdish (https://www.transifex.com/mate/teams/13566/ku/)\n"
+"Language-Team: Kurdish (https://app.transifex.com/mate/teams/13566/ku/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ku_IQ/ku_IQ.po b/help/ku_IQ/ku_IQ.po
index bfdb398..59aafa1 100644
--- a/help/ku_IQ/ku_IQ.po
+++ b/help/ku_IQ/ku_IQ.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Rasti K5 <[email protected]>, 2018\n"
-"Language-Team: Kurdish (Iraq) (https://www.transifex.com/mate/teams/13566/ku_IQ/)\n"
+"Language-Team: Kurdish (Iraq) (https://app.transifex.com/mate/teams/13566/ku_IQ/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ky/ky.po b/help/ky/ky.po
index a672e27..b40c809 100644
--- a/help/ky/ky.po
+++ b/help/ky/ky.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: 41e38594a6ab66d45dbd71e8e44a0b16_36d21e8, 2018\n"
-"Language-Team: Kyrgyz (https://www.transifex.com/mate/teams/13566/ky/)\n"
+"Language-Team: Kyrgyz (https://app.transifex.com/mate/teams/13566/ky/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/lt/lt.po b/help/lt/lt.po
index 15626c1..3bc8815 100644
--- a/help/lt/lt.po
+++ b/help/lt/lt.po
@@ -7,10 +7,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Moo, 2019\n"
-"Language-Team: Lithuanian (https://www.transifex.com/mate/teams/13566/lt/)\n"
+"Language-Team: Lithuanian (https://app.transifex.com/mate/teams/13566/lt/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/lv/lv.po b/help/lv/lv.po
index 938c74f..3ae7b88 100644
--- a/help/lv/lv.po
+++ b/help/lv/lv.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Latvian (https://www.transifex.com/mate/teams/13566/lv/)\n"
+"Language-Team: Latvian (https://app.transifex.com/mate/teams/13566/lv/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/mai/mai.po b/help/mai/mai.po
index aad1495..54a68e2 100644
--- a/help/mai/mai.po
+++ b/help/mai/mai.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Maithili (https://www.transifex.com/mate/teams/13566/mai/)\n"
+"Language-Team: Maithili (https://app.transifex.com/mate/teams/13566/mai/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/mate-calc.pot b/help/mate-calc.pot
index 9a47d36..236a7ea 100644
--- a/help/mate-calc.pot
+++ b/help/mate-calc.pot
@@ -1,7 +1,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <[email protected]>\n"
diff --git a/help/mg/mg.po b/help/mg/mg.po
index bf30ee9..3781c41 100644
--- a/help/mg/mg.po
+++ b/help/mg/mg.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Malagasy (https://www.transifex.com/mate/teams/13566/mg/)\n"
+"Language-Team: Malagasy (https://app.transifex.com/mate/teams/13566/mg/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/mk/mk.po b/help/mk/mk.po
index 3d38bee..462e8d3 100644
--- a/help/mk/mk.po
+++ b/help/mk/mk.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Macedonian (https://www.transifex.com/mate/teams/13566/mk/)\n"
+"Language-Team: Macedonian (https://app.transifex.com/mate/teams/13566/mk/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ml/ml.po b/help/ml/ml.po
index 1daf490..5d5a72f 100644
--- a/help/ml/ml.po
+++ b/help/ml/ml.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Malayalam (https://www.transifex.com/mate/teams/13566/ml/)\n"
+"Language-Team: Malayalam (https://app.transifex.com/mate/teams/13566/ml/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/mn/mn.po b/help/mn/mn.po
index 0cde760..69e72de 100644
--- a/help/mn/mn.po
+++ b/help/mn/mn.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Mongolian (https://www.transifex.com/mate/teams/13566/mn/)\n"
+"Language-Team: Mongolian (https://app.transifex.com/mate/teams/13566/mn/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/mr/mr.po b/help/mr/mr.po
index b6a7eac..b41ff0c 100644
--- a/help/mr/mr.po
+++ b/help/mr/mr.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Vaibhav S Dalvi <[email protected]>, 2018\n"
-"Language-Team: Marathi (https://www.transifex.com/mate/teams/13566/mr/)\n"
+"Language-Team: Marathi (https://app.transifex.com/mate/teams/13566/mr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ms/ms.po b/help/ms/ms.po
index 08c2894..1f05504 100644
--- a/help/ms/ms.po
+++ b/help/ms/ms.po
@@ -7,10 +7,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: abuyop <[email protected]>, 2021\n"
-"Language-Team: Malay (https://www.transifex.com/mate/teams/13566/ms/)\n"
+"Language-Team: Malay (https://app.transifex.com/mate/teams/13566/ms/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/my/my.po b/help/my/my.po
index fb2b1f7..52c61c5 100644
--- a/help/my/my.po
+++ b/help/my/my.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Burmese (https://www.transifex.com/mate/teams/13566/my/)\n"
+"Language-Team: Burmese (https://app.transifex.com/mate/teams/13566/my/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/nb/nb.po b/help/nb/nb.po
index 0b46814..b609d3c 100644
--- a/help/nb/nb.po
+++ b/help/nb/nb.po
@@ -4,15 +4,15 @@
 # Alexander Jansen <[email protected]>, 2018
 # Allan Nordhøy <[email protected]>, 2018
 # Imre Kristoffer Eilertsen <[email protected]>, 2018
-# heskjestad <[email protected]>, 2019
+# Kaci Heskjestad, 2019
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: heskjestad <[email protected]>, 2019\n"
-"Language-Team: Norwegian Bokmål (https://www.transifex.com/mate/teams/13566/nb/)\n"
+"Last-Translator: Kaci Heskjestad, 2019\n"
+"Language-Team: Norwegian Bokmål (https://app.transifex.com/mate/teams/13566/nb/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ne/ne.po b/help/ne/ne.po
index f2eb073..30b5975 100644
--- a/help/ne/ne.po
+++ b/help/ne/ne.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Nepali (https://www.transifex.com/mate/teams/13566/ne/)\n"
+"Language-Team: Nepali (https://app.transifex.com/mate/teams/13566/ne/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/nl/nl.po b/help/nl/nl.po
index 9023cbb..f635616 100644
--- a/help/nl/nl.po
+++ b/help/nl/nl.po
@@ -9,10 +9,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Pjotr <[email protected]>, 2019\n"
-"Language-Team: Dutch (https://www.transifex.com/mate/teams/13566/nl/)\n"
+"Language-Team: Dutch (https://app.transifex.com/mate/teams/13566/nl/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/nn/nn.po b/help/nn/nn.po
index 0b5e3f2..2e1e858 100644
--- a/help/nn/nn.po
+++ b/help/nn/nn.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Norwegian Nynorsk (https://www.transifex.com/mate/teams/13566/nn/)\n"
+"Language-Team: Norwegian Nynorsk (https://app.transifex.com/mate/teams/13566/nn/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/oc/oc.po b/help/oc/oc.po
index a5d40ea..218a7f8 100644
--- a/help/oc/oc.po
+++ b/help/oc/oc.po
@@ -1,17 +1,16 @@
 # 
 # Translators:
-# 48c2de07903ce5a77a8e90265f95c4c2_8909374 <837c8d0ab97b27e737893c19f79bd4de_348476>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
 # Cédric Valmary <[email protected]>, 2018
-# Quentin PAGÈS, 2021
+# Quentin PAGÈS, 2023
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Quentin PAGÈS, 2021\n"
-"Language-Team: Occitan (post 1500) (https://www.transifex.com/mate/teams/13566/oc/)\n"
+"Last-Translator: Quentin PAGÈS, 2023\n"
+"Language-Team: Occitan (post 1500) (https://app.transifex.com/mate/teams/13566/oc/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -23,7 +22,7 @@ msgctxt "_"
 msgid "translator-credits"
 msgstr ""
 "Yannig Marchegay (Kokoyaya) <[email protected]> & Cédric Valmary "
-"(totenoc.eu) <[email protected]>"
+"(totenoc.eu) <[email protected]>, Quentin PAGÈS"
 
 #. (itstool) path: page/title
 #: C/absolute.page:9
@@ -792,7 +791,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/index.page:13
 msgid "MATE Calculator Help"
-msgstr ""
+msgstr "Ajuda de la Calculadoira de MATE"
 
 #. (itstool) path: section/title
 #: C/index.page:16
diff --git a/help/or/or.po b/help/or/or.po
index b1c7ce3..80f52ed 100644
--- a/help/or/or.po
+++ b/help/or/or.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Oriya (https://www.transifex.com/mate/teams/13566/or/)\n"
+"Language-Team: Odia (https://app.transifex.com/mate/teams/13566/or/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/pa/pa.po b/help/pa/pa.po
index ed24143..09baee7 100644
--- a/help/pa/pa.po
+++ b/help/pa/pa.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Panjabi (Punjabi) (https://www.transifex.com/mate/teams/13566/pa/)\n"
+"Language-Team: Panjabi (Punjabi) (https://app.transifex.com/mate/teams/13566/pa/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/pl/pl.po b/help/pl/pl.po
index f9c3620..09bed3f 100644
--- a/help/pl/pl.po
+++ b/help/pl/pl.po
@@ -10,10 +10,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Dominik Adrian Grzywak, 2020\n"
-"Language-Team: Polish (https://www.transifex.com/mate/teams/13566/pl/)\n"
+"Language-Team: Polish (https://app.transifex.com/mate/teams/13566/pl/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/pms/pms.po b/help/pms/pms.po
index ffb4f6d..8d5f842 100644
--- a/help/pms/pms.po
+++ b/help/pms/pms.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Randy Ichinose <[email protected]>, 2018\n"
-"Language-Team: Piemontese (https://www.transifex.com/mate/teams/13566/pms/)\n"
+"Language-Team: Piemontese (https://app.transifex.com/mate/teams/13566/pms/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ps/ps.po b/help/ps/ps.po
index 24084b9..0210caf 100644
--- a/help/ps/ps.po
+++ b/help/ps/ps.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Pushto (https://www.transifex.com/mate/teams/13566/ps/)\n"
+"Language-Team: Pashto (https://app.transifex.com/mate/teams/13566/ps/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/pt/pt.po b/help/pt/pt.po
index 467aa13..edd6164 100644
--- a/help/pt/pt.po
+++ b/help/pt/pt.po
@@ -10,15 +10,15 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Hugo Carvalho <[email protected]>, 2020\n"
-"Language-Team: Portuguese (https://www.transifex.com/mate/teams/13566/pt/)\n"
+"Language-Team: Portuguese (https://app.transifex.com/mate/teams/13566/pt/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: pt\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=(n == 0 || n == 1) ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Put one translator per line, in the form NAME <EMAIL>, YEAR1, YEAR2
 msgctxt "_"
diff --git a/help/pt_BR/pt_BR.po b/help/pt_BR/pt_BR.po
index 2c92a75..7142d68 100644
--- a/help/pt_BR/pt_BR.po
+++ b/help/pt_BR/pt_BR.po
@@ -7,19 +7,20 @@
 # Lucas Dias <[email protected]>, 2019
 # George Silva <[email protected]>, 2019
 # gustavo s, 2021
+# Vitor Henrique, 2023
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: gustavo s, 2021\n"
-"Language-Team: Portuguese (Brazil) (https://www.transifex.com/mate/teams/13566/pt_BR/)\n"
+"Last-Translator: Vitor Henrique, 2023\n"
+"Language-Team: Portuguese (Brazil) (https://app.transifex.com/mate/teams/13566/pt_BR/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: pt_BR\n"
-"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"Plural-Forms: nplurals=3; plural=(n == 0 || n == 1) ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Put one translator per line, in the form NAME <EMAIL>, YEAR1, YEAR2
 msgctxt "_"
@@ -949,7 +950,7 @@ msgstr "Octal"
 #. (itstool) path: td/p
 #: C/keyboard.page:52
 msgid "<keyseq><key>Ctrl</key><key>O</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>O</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:55 C/number-display.page:16
diff --git a/help/ro/ro.po b/help/ro/ro.po
index f7a9529..e786354 100644
--- a/help/ro/ro.po
+++ b/help/ro/ro.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Daniel <[email protected]>, 2018\n"
-"Language-Team: Romanian (https://www.transifex.com/mate/teams/13566/ro/)\n"
+"Language-Team: Romanian (https://app.transifex.com/mate/teams/13566/ro/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ru/ru.po b/help/ru/ru.po
index 125f2ec..1373a6a 100644
--- a/help/ru/ru.po
+++ b/help/ru/ru.po
@@ -2,16 +2,18 @@
 # Translators:
 # Дмитрий Михирев, 2018
 # Stefano Karapetsas <[email protected]>, 2018
-# Alexei Sorokin, 2018
+# XRevan86, 2018
 # Aleksey Kabanov <[email protected]>, 2018
+# Sergej A. <[email protected]>, 2022
+# Andrei Stepanov, 2023
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Aleksey Kabanov <[email protected]>, 2018\n"
-"Language-Team: Russian (https://www.transifex.com/mate/teams/13566/ru/)\n"
+"Last-Translator: Andrei Stepanov, 2023\n"
+"Language-Team: Russian (https://app.transifex.com/mate/teams/13566/ru/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -133,6 +135,9 @@ msgid ""
 "To set the base that results are shown in change the <link xref=\"number-"
 "display\">result format</link>."
 msgstr ""
+"Чтобы задать систему счисления, в которой будут отображаться результаты, "
+"измените значения параметра <link xref=\"number-display\">формат "
+"результатов</link>."
 
 #. (itstool) path: page/p
 #: C/base.page:35
@@ -140,21 +145,24 @@ msgid ""
 "To change the base of the current result use a base button or "
 "<keyseq><key>Ctrl</key><key>D</key></keyseq> to show in decimal form."
 msgstr ""
+"Чтобы установить отображение результатов в десятичном формате, используйте "
+"кнопку выбора системы исчисления или воспользуйтесь комбинацией клавиш "
+"<keyseq><key>Ctrl</key><key>D</key></keyseq>."
 
 #. (itstool) path: page/title
 #: C/boolean.page:9
 msgid "Boolean Algebra"
-msgstr ""
+msgstr "Булева алгебра"
 
 #. (itstool) path: page/p
 #: C/boolean.page:11
 msgid "Boolean algebra can be calculated using the AND, OR and XOR operators."
-msgstr ""
+msgstr "В булевой алгебре можно использовать операторы AND, OR и XOR."
 
 #. (itstool) path: example/p
 #: C/boolean.page:15
 msgid "010011₂ AND 110101₂"
-msgstr ""
+msgstr "010011₂ AND 110101₂"
 
 #. (itstool) path: page/p
 #: C/boolean.page:19
@@ -162,6 +170,8 @@ msgid ""
 "Buttons for these symbols are available in <link xref=\"mouse\">programming "
 "mode</link>."
 msgstr ""
+"Кнопки для этих операторов доступны в <link xref=\"mouse\">режиме "
+"программирования</link>."
 
 #. (itstool) path: page/p
 #: C/boolean.page:22
@@ -170,11 +180,14 @@ msgid ""
 "number. The word size is set from the "
 "<guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu."
 msgstr ""
+"<link xref=\"function\">Функция</link> NOT инвертирует биты числа. Размер "
+"слова задаётся в <guiseq><gui>Калькуляторе</gui>, меню "
+"<gui>Параметры</gui></guiseq>."
 
 #. (itstool) path: example/p
 #: C/boolean.page:27
 msgid "NOT 010011₂"
-msgstr ""
+msgstr "NOT 010011₂"
 
 #. (itstool) path: page/title
 #: C/complex.page:9
@@ -187,66 +200,68 @@ msgid ""
 "<app>MATE Calculator</app> supports complex numbers, as well as the "
 "following functions while in <link xref=\"mouse\">Advanced mode</link>."
 msgstr ""
+"<app>Калькулятор MATE</app>поддерживает комплексные числа, а также следующие"
+" функции в <link xref=\"mouse\">Расширенном режиме</link>."
 
 #. (itstool) path: td/p
 #: C/complex.page:18
 msgid "Re"
-msgstr ""
+msgstr "Re"
 
 #. (itstool) path: td/p
 #: C/complex.page:19
 msgid "Returns the real part of a complex number. For example:"
-msgstr ""
+msgstr "Возвращает вещественную часть комплексного числа. Например:"
 
 #. (itstool) path: example/p
 #: C/complex.page:21
 msgid "Re (2-5i) = 2"
-msgstr ""
+msgstr "Re (2-5i) = 2"
 
 #. (itstool) path: td/p
 #: C/complex.page:29
 msgid "Im"
-msgstr ""
+msgstr "Im"
 
 #. (itstool) path: td/p
 #: C/complex.page:30
 msgid "Returns the imaginary part of a complex number. For example:"
-msgstr ""
+msgstr "Возвращает мнимую часть комплексного числа. Например:"
 
 #. (itstool) path: example/p
 #: C/complex.page:32
 msgid "Im (2-5i) = -5"
-msgstr ""
+msgstr "Im (2-5i) = -5"
 
 #. (itstool) path: td/p
 #: C/complex.page:40
 msgid "conj"
-msgstr ""
+msgstr "conj"
 
 #. (itstool) path: td/p
 #: C/complex.page:41
 msgid "Returns the conjugate of a complex number. For example:"
-msgstr ""
+msgstr "Возвращает сопряжение комплексного числа. Например:"
 
 #. (itstool) path: example/p
 #: C/complex.page:43
 msgid "conj (2-5i) = 2+5i"
-msgstr ""
+msgstr "conj (2-5i) = 2+5i"
 
 #. (itstool) path: td/p
 #: C/complex.page:51
 msgid "Arg"
-msgstr ""
+msgstr "Arg"
 
 #. (itstool) path: td/p
 #: C/complex.page:52
 msgid "Returns the argument of a complex number. For example:"
-msgstr ""
+msgstr "Возвращает аргумент комплексного числа. Например:"
 
 #. (itstool) path: example/p
 #: C/complex.page:54
 msgid "Arg (2-5i) = -68.1986"
-msgstr ""
+msgstr "Arg (2-5i) = -68.1986"
 
 #. (itstool) path: page/p
 #: C/conv-base.page:11
@@ -255,6 +270,10 @@ msgid ""
 "change the <link xref=\"number-display\">result format</link> from the "
 "<guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu."
 msgstr ""
+"Для преобразования числа в другую систему счисления введите число (или "
+"решите уравнение) и измените <link xref=\"number-display\">формат "
+"числа</link> в <guiseq><gui>Калькуляторе</gui>, меню "
+"<gui>Параметры</gui></guiseq>."
 
 #. (itstool) path: page/title
 #: C/conv-character.page:9
@@ -330,22 +349,24 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/conv-length.page:15
 msgid "6 meters in inches"
-msgstr ""
+msgstr "6 meters in inches"
 
 #. (itstool) path: example/p
 #: C/conv-length.page:18
 msgid "1 acre in cm²"
-msgstr ""
+msgstr "1 acre in cm²"
 
 #. (itstool) path: example/p
 #: C/conv-length.page:21
 msgid "1 pint in mL"
-msgstr ""
+msgstr "1 pint in mL"
 
 #. (itstool) path: note/p
 #: C/conv-length.page:26
 msgid "Length/Area/Volume conversions must be performed using the keyboard."
 msgstr ""
+"Преобразования единиц длины, площади и объёма должно выполняться с помощью "
+"клавиатуры."
 
 #. (itstool) path: page/title
 #: C/conv-time.page:9
@@ -356,36 +377,39 @@ msgstr "Время"
 #: C/conv-time.page:11
 msgid "To convert between time use the <em>in</em> operator."
 msgstr ""
+"Для преобразования между единицами времени используйте оператор <em>in</em>."
 
 #. (itstool) path: example/p
 #: C/conv-time.page:15
 msgid "3 years in hours"
-msgstr ""
+msgstr "3 years in hours"
 
 #. (itstool) path: note/p
 #: C/conv-time.page:20
 msgid "Time conversions must be performed using the keyboard."
 msgstr ""
+"Преобразования единиц времени должно выполняться с помощью клавиатуры."
 
 #. (itstool) path: page/title
 #: C/conv-weight.page:9
 msgid "Mass"
-msgstr ""
+msgstr "Масса"
 
 #. (itstool) path: page/p
 #: C/conv-weight.page:11
 msgid "To convert between mass use the <em>in</em> operator."
 msgstr ""
+"Для преобразования между единицами массы используйте оператор <em>in</em>."
 
 #. (itstool) path: example/p
 #: C/conv-weight.page:15
 msgid "1kg in pounds"
-msgstr ""
+msgstr "1kg in pounds"
 
 #. (itstool) path: note/p
 #: C/conv-weight.page:20
 msgid "Mass conversions must be performed using the keyboard."
-msgstr ""
+msgstr "Преобразования единиц массы должно выполняться с помощью клавиатуры."
 
 #. (itstool) path: info/title
 #: C/equation.page:7
@@ -396,7 +420,7 @@ msgstr "0"
 #. (itstool) path: page/title
 #: C/equation.page:11
 msgid "Basic Equations"
-msgstr ""
+msgstr "Базовые выражения"
 
 #. (itstool) path: page/p
 #: C/equation.page:13
@@ -404,6 +428,8 @@ msgid ""
 "Equations are entered in standard mathematical form. For example to add 7 "
 "and 2 enter the following:"
 msgstr ""
+"Выражения вводятся в стандартной математической форме. Например, чтобы "
+"сложить 7 и 2, введите:"
 
 #. (itstool) path: example/p
 #: C/equation.page:18
@@ -489,6 +515,9 @@ msgid ""
 "<gui>fact</gui> button. This button is visible in <link "
 "xref=\"mouse\">programming mode</link>."
 msgstr ""
+"Чтобы разложить на множители текущее число, нажмите "
+"<keyseq><key>Ctrl</key><key>F</key></keyseq> или кнопку <gui>fact</gui>. Эта"
+" кнопка видна в <link xref=\"mouse\">режиме программирования</link>."
 
 #. (itstool) path: page/p
 #: C/factorize.page:15
@@ -496,6 +525,8 @@ msgid ""
 "To factorize integers bigger than 2^64 the Miller-Rabin primality test and "
 "Pollard's rho algorithm are used."
 msgstr ""
+"Для разложения на множители целых чисел больше 2^64 используются тест "
+"простоты Миллера-Рабина и Ро-алгоритм Полларда."
 
 #. (itstool) path: page/title
 #: C/financial.page:9
@@ -519,6 +550,9 @@ msgid ""
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
+"Вычисляет количество периодов начисления процентов, необходимых для "
+"увеличения инвестиций от текущей стоимости до будущей при фиксированной "
+"процентной ставке за период начисления процентов."
 
 #. (itstool) path: td/p
 #: C/financial.page:19
@@ -531,6 +565,8 @@ msgid ""
 "Calculate the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
+"Рассчитывает значение амортизации актива за определенный период времени, "
+"используя метод двойного уменьшаемого остатка."
 
 #. (itstool) path: td/p
 #: C/financial.page:23
@@ -544,6 +580,9 @@ msgid ""
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
+"Рассчитывает будущую стоимость инвестиций на основе серии равных платежей с "
+"периодической процентной ставкой для нескольких периодов платежей в течение "
+"заданного срока."
 
 #. (itstool) path: td/p
 #: C/financial.page:27
@@ -556,6 +595,8 @@ msgid ""
 "Calculate the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
+"Рассчитывает цену перепродажи продукта на основе себестоимости продукта и "
+"желаемой валовой прибыли."
 
 #. (itstool) path: td/p
 #: C/financial.page:31
@@ -568,6 +609,8 @@ msgid ""
 "Calculate the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period."
 msgstr ""
+"Рассчитываете сумму периодического платежа по кредиту, где платежи "
+"производятся в конце каждого платежного периода."
 
 #. (itstool) path: td/p
 #: C/financial.page:35
@@ -581,6 +624,9 @@ msgid ""
 "payments discounted at a periodic interest rate over the number of payment "
 "periods in the term."
 msgstr ""
+"Рассчитывает текущую стоимость инвестиции на основе серии равных платежей, "
+"дисконтированных по периодической процентной ставке в течение нескольких "
+"периодов платежей в указанный срок."
 
 #. (itstool) path: td/p
 #: C/financial.page:39
@@ -593,6 +639,9 @@ msgid ""
 "Calculate the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods."
 msgstr ""
+"Рассчитывает периодическую процентную ставку, необходимую для увеличения "
+"инвестиций до будущей стоимости, за указанное число периодов начисления "
+"сложных процентов."
 
 #. (itstool) path: td/p
 #: C/financial.page:43
@@ -607,6 +656,11 @@ msgid ""
 "over the useful life of an asset. The useful life is the number of periods, "
 "typically years, over which an asset is depreciated."
 msgstr ""
+"Рассчитывает линейную амортизацию актива за один период. При линейном методе"
+" стоимость амортизации распределяется равномерно в течение всего срока "
+"полезного использования актива. Срок полезного использования – это "
+"количество периодов, обычно лет, в течение которых актив снижает свою "
+"стоимость."
 
 #. (itstool) path: td/p
 #: C/financial.page:47
@@ -622,6 +676,11 @@ msgid ""
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated."
 msgstr ""
+"Рассчитывает амортизацию актива за указанный период времени, используя метод"
+" Сумма-Лет-Цифр. Этот метод оценки амортизации учитывает ускорение "
+"амортизации, так что больше амортизационных отчислений приходится на более "
+"ранние периоды. Срок полезного использования – это количество периодов, "
+"обычно лет, в течение которых актив амортизируется."
 
 #. (itstool) path: td/p
 #: C/financial.page:51
@@ -635,11 +694,13 @@ msgid ""
 "of an ordinary annuity, to accumulate a future value, at a periodic interest"
 " rate."
 msgstr ""
+"Вычисляет количество периодов платежей, необходимых, при обычном аннуите и "
+"периодической процентной ставке, для достижения будущей целевой стоимости."
 
 #. (itstool) path: note/p
 #: C/financial.page:56
 msgid "Financial functions cannot be performed using the keyboard."
-msgstr ""
+msgstr "Финансовые функции нельзя ввести с клавиатуры."
 
 #. (itstool) path: page/title
 #: C/functions.page:9
@@ -653,6 +714,9 @@ msgid ""
 "function argument. If the argument is not a number or <link "
 "xref=\"variable\">variable</link> then use parenthesis around the argument."
 msgstr ""
+"Для вычисления функции введите имя функции, за которым следует её аргумент. "
+"Если аргумент не является числом или <link "
+"xref=\"variable\">переменной</link>, его нужно взять в круглые скобки."
 
 #. (itstool) path: example/p
 #: C/functions.page:16
@@ -667,7 +731,7 @@ msgstr "abs (5−9)"
 #. (itstool) path: page/p
 #: C/functions.page:23
 msgid "The following functions are defined."
-msgstr ""
+msgstr "Имеются следующие функции."
 
 #. (itstool) path: td/p
 #: C/functions.page:28
@@ -702,12 +766,12 @@ msgstr "<link xref=\"trigonometry\">Гиперболический косину�
 #. (itstool) path: td/p
 #: C/functions.page:40
 msgid "erf"
-msgstr ""
+msgstr "erf"
 
 #. (itstool) path: td/p
 #: C/functions.page:41
 msgid "Gauss Error function"
-msgstr ""
+msgstr "Функция ошибок Гаусса"
 
 #. (itstool) path: td/p
 #: C/functions.page:44
@@ -832,12 +896,12 @@ msgstr "Дополнение до двух"
 #. (itstool) path: td/p
 #: C/functions.page:92
 msgid "zeta"
-msgstr ""
+msgstr "zeta"
 
 #. (itstool) path: td/p
 #: C/functions.page:93
 msgid "Riemann zeta function"
-msgstr ""
+msgstr "Дзета-функция Римана"
 
 #. (itstool) path: page/p
 #: C/functions.page:96
@@ -848,7 +912,7 @@ msgstr ""
 #. (itstool) path: credit/name
 #: C/index.page:7
 msgid "Robert Ancell"
-msgstr ""
+msgstr "Robert Ancell"
 
 #. (itstool) path: page/title
 #: C/index.page:13
@@ -863,7 +927,7 @@ msgstr "Пользовательский интерфейс"
 #. (itstool) path: section/title
 #: C/index.page:20
 msgid "Equations"
-msgstr ""
+msgstr "Уравнение"
 
 #. (itstool) path: section/title
 #: C/index.page:24
@@ -966,6 +1030,8 @@ msgid ""
 "When in <link xref=\"mouse\">programming mode</link>, to cycle between base "
 "digits use:"
 msgstr ""
+"В <link xref=\"mouse\">режиме программирования</link> переключение между "
+"основными системами счисления осуществляется с помощью:"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:47 C/number-display.page:28
@@ -975,7 +1041,7 @@ msgstr "Двоичная"
 #. (itstool) path: td/p
 #: C/keyboard.page:48
 msgid "<keyseq><key>Ctrl</key><key>B</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>B</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:51 C/number-display.page:32
@@ -985,7 +1051,7 @@ msgstr "Восьмеричная"
 #. (itstool) path: td/p
 #: C/keyboard.page:52
 msgid "<keyseq><key>Ctrl</key><key>O</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>O</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:55 C/number-display.page:16
@@ -995,7 +1061,7 @@ msgstr "Десятичная"
 #. (itstool) path: td/p
 #: C/keyboard.page:56
 msgid "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>D</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:59 C/number-display.page:36
@@ -1005,42 +1071,42 @@ msgstr "Шестнадцатиричная"
 #. (itstool) path: td/p
 #: C/keyboard.page:60
 msgid "<keyseq><key>Ctrl</key><key>H</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Ctrl</key><key>H</key></keyseq>"
 
 #. (itstool) path: page/p
 #: C/keyboard.page:63
 msgid "To cycle between history entries you may use:"
-msgstr ""
+msgstr "Для переключения между записями истории вы можете использовать:"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:68
 msgid "Previous Entry"
-msgstr ""
+msgstr "Предыдущая запись"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:69
 msgid "<keyseq><key>Alt</key><key>Up</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Alt</key><key>Up</key></keyseq>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:72
 msgid "Next Entry"
-msgstr ""
+msgstr "Следующая запись"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:73
 msgid "<keyseq><key>Alt</key><key>Down</key></keyseq>"
-msgstr ""
+msgstr "<keyseq><key>Alt</key><key>Down</key></keyseq>"
 
 #. (itstool) path: p/link
 #: C/legal.xml:4
 msgid "Creative Commons Attribution-Share Alike 3.0 Unported License"
-msgstr ""
+msgstr "Creative Commons Attribution-Share Alike 3.0 Unported License"
 
 #. (itstool) path: license/p
 #: C/legal.xml:3
 msgid "This work is licensed under a <_:link-1/>."
-msgstr "Этот документ распространяется на условиях лицензии <_:link-1/>."
+msgstr "Эта работа распространяется на условиях лицензии <_:link-1/>."
 
 #. (itstool) path: license/p
 #: C/legal.xml:6
@@ -1049,6 +1115,9 @@ msgid ""
 "modify, and distribute the example code contained in this document under the"
 " terms of your choosing, without restriction."
 msgstr ""
+"В виде особого исключения, владельцы авторского права разрешают вам "
+"копировать, изменять и распространять код примеров, содержащихся в этом "
+"документе, на любых выбранных вами условиях без ограничений."
 
 #. (itstool) path: page/title
 #: C/logarithm.page:9
@@ -1110,17 +1179,17 @@ msgstr "e^1.32"
 #. (itstool) path: page/title
 #: C/modulus.page:9
 msgid "Modulus Division"
-msgstr ""
+msgstr "Целочисленное деление"
 
 #. (itstool) path: page/p
 #: C/modulus.page:11
 msgid "Modulus division is performed using the mod operator."
-msgstr ""
+msgstr "Целочисленное деление выполняется с помощью оператора mod."
 
 #. (itstool) path: example/p
 #: C/modulus.page:15
 msgid "9 mod 5"
-msgstr ""
+msgstr "9 mod 5"
 
 #. (itstool) path: page/title
 #: C/mouse.page:9
@@ -1133,6 +1202,9 @@ msgid ""
 "All equations can be entered using the mouse. To access all buttons there "
 "are a number of modes that can be selected from the <gui>Mode</gui> menu."
 msgstr ""
+"Все выражения можно ввести с помощью мыши. Для доступа ко всем кнопкам "
+"существует несколько режимов, которые можно выбрать из меню "
+"<gui>Режим</gui>."
 
 #. (itstool) path: td/p
 #: C/mouse.page:17
@@ -1144,6 +1216,8 @@ msgstr "Простой"
 msgid ""
 "Provides buttons suitable for <link xref=\"equation\">basic equations</link>"
 msgstr ""
+"Предоставляет кнопки, подходящие для <link xref=\"equation\">базовых "
+"вычислений</link>"
 
 #. (itstool) path: td/p
 #: C/mouse.page:21
@@ -1156,6 +1230,8 @@ msgid ""
 "Provides buttons suitable for advanced mathematics such as <link "
 "xref=\"trigonometry\"/>"
 msgstr ""
+"Предоставляет кнопки, подходящие для более сложных математических "
+"вычислений, таких как <link xref=\"trigonometry\"/>"
 
 #. (itstool) path: td/p
 #: C/mouse.page:25
@@ -1168,6 +1244,8 @@ msgid ""
 "Provides buttons suitable for <link xref=\"financial\">financial "
 "equations</link>"
 msgstr ""
+"Предоставляет кнопки, подходящие для <link xref=\"financial\">финансовых "
+"вычислений</link>"
 
 #. (itstool) path: td/p
 #: C/mouse.page:29
@@ -1177,12 +1255,12 @@ msgstr "Программирование"
 #. (itstool) path: td/p
 #: C/mouse.page:30
 msgid "Provides buttons suitable for computer programmers"
-msgstr ""
+msgstr "Предоставляет кнопки, подходящие для программистов"
 
 #. (itstool) path: page/title
 #: C/number-display.page:9
 msgid "Result Format"
-msgstr ""
+msgstr "Формат результата"
 
 #. (itstool) path: page/p
 #: C/number-display.page:11
@@ -1190,11 +1268,13 @@ msgid ""
 "The format used to display results can be changed from the "
 "<guiseq><gui>Calculator</gui><gui>Preferences</gui></guiseq> menu."
 msgstr ""
+"Формат, используемый для отображения результатов, можно изменить в меню "
+"<guiseq><gui>Калькулятор</gui><gui>Параметры</gui></guiseq>."
 
 #. (itstool) path: td/p
 #: C/number-display.page:17
 msgid "Results are displayed as decimal numbers"
-msgstr ""
+msgstr "Результаты отображаются в виде десятичных чисел"
 
 #. (itstool) path: td/p
 #: C/number-display.page:20
@@ -1207,6 +1287,8 @@ msgid ""
 "Results are displayed in <link xref=\"scientific\">scientific "
 "notation</link>"
 msgstr ""
+"Результаты отображаются в <link xref=\"scientific\">научной "
+"(экспоненциальной) записи</link>"
 
 #. (itstool) path: td/p
 #: C/number-display.page:24
@@ -1219,21 +1301,26 @@ msgid ""
 "Results are displayed in scientific notation except the exponent is always a"
 " multiple of three"
 msgstr ""
+"Результаты отображаются в научной (экспоненциальной) записи, но с "
+"показателем степени, всегда кратным трём"
 
 #. (itstool) path: td/p
 #: C/number-display.page:29
 msgid "Results are displayed as <link xref=\"base\">binary numbers</link>"
-msgstr ""
+msgstr "Результаты отображаются в виде <link xref=\"base\">двоичных чисел</link>"
 
 #. (itstool) path: td/p
 #: C/number-display.page:33
 msgid "Results are displayed as <link xref=\"base\">octal numbers</link>"
 msgstr ""
+"Результаты отображаются в виде <link xref=\"base\">восьмеричных чисел</link>"
 
 #. (itstool) path: td/p
 #: C/number-display.page:37
 msgid "Results are displayed as <link xref=\"base\">hexadecimal numbers</link>"
 msgstr ""
+"Результаты отображаются в виде <link xref=\"base\">шестнадцатеричных "
+"чисел</link>"
 
 #. (itstool) path: page/p
 #: C/number-display.page:40
@@ -1241,6 +1328,8 @@ msgid ""
 "The number of decimal places, if trailing zeroes and if thousands separators"
 " are shown can also be configured."
 msgstr ""
+"Кроме того, можно настроить количество десятичных разрядов, а также "
+"показывать или нет незначащие нули после запятой и разделители тысяч."
 
 #. (itstool) path: page/title
 #: C/percentage.page:9
@@ -1259,11 +1348,14 @@ msgid ""
 "the value being added or subtracted from. The following equation calculates "
 "the price of a $140 item with 15% tax (140 + (15÷100)×140)."
 msgstr ""
+"При сложении и вычитании символ процента обозначает один процент от "
+"добавляемой или вычитаемой величины. Следующий пример вычисляет стоимость "
+"предмета ценой $140 с 15%-ным налогом (140 + (15÷100)×140)."
 
 #. (itstool) path: example/p
 #: C/percentage.page:19
 msgid "140+15%"
-msgstr ""
+msgstr "140+15%"
 
 #. (itstool) path: page/p
 #: C/percentage.page:23
@@ -1271,11 +1363,13 @@ msgid ""
 "In all other cases the percentage symbol resolves to a fraction out of 100. "
 "The following equation calculates one quarter of 80 apples ((25÷100)×80)."
 msgstr ""
+"Во всех других случаях символ процента обозначает долю от 100. Следующий "
+"пример вычисляет четверть от 80 яблок ((25÷100)×80)."
 
 #. (itstool) path: example/p
 #: C/percentage.page:28
 msgid "25%×80"
-msgstr ""
+msgstr "25%×80"
 
 #. (itstool) path: page/title
 #: C/power.page:9
@@ -1302,11 +1396,13 @@ msgid ""
 "The inverse of a number can be entered using the inverse symbol ⁻¹ "
 "(<keyseq><key>Ctrl</key><key>I</key></keyseq>)."
 msgstr ""
+"Обратную величину числа можно ввести с помощью символа «⁻¹» "
+"(<keyseq><key>Ctrl</key><key>I</key></keyseq>)."
 
 #. (itstool) path: example/p
 #: C/power.page:23
 msgid "3⁻¹"
-msgstr ""
+msgstr "3⁻¹"
 
 #. (itstool) path: page/p
 #: C/power.page:27
@@ -1314,6 +1410,8 @@ msgid ""
 "Powers can also be calculated using the ^ symbol. This allows the power to "
 "be an equation."
 msgstr ""
+"Степени можно также вычислять с помощью символа «^». Это позволяет "
+"показателю степени быть выражением."
 
 #. (itstool) path: example/p
 #: C/power.page:32
@@ -1326,6 +1424,8 @@ msgid ""
 "If your keyboard does not have a <key>^</key> key you can use <key>*</key> "
 "twice."
 msgstr ""
+"Если на клавиатуре нет клавиши <key>^</key>, можно дважды нажать "
+"<key>*</key>."
 
 #. (itstool) path: page/p
 #: C/power.page:39
@@ -1358,7 +1458,7 @@ msgstr "₃√2"
 #. (itstool) path: page/title
 #: C/scientific.page:9
 msgid "Scientific Notation"
-msgstr ""
+msgstr "Научная запись"
 
 #. (itstool) path: page/p
 #: C/scientific.page:11
@@ -1368,6 +1468,10 @@ msgid ""
 "xref=\"superscript\">number mode</link> automatically changes to "
 "superscript. To enter 2×10¹⁰⁰, start by entering the mantissa (2):"
 msgstr ""
+"Для ввода числа в научном формате используйте кнопку <gui>×10x</gui> "
+"(<keyseq><key>Ctrl</key><key>E</key></keyseq>). <link "
+"xref=\"superscript\">Режим ввода цифр</link> автоматически меняется на "
+"надстрочный. Чтобы ввести 2×10¹⁰⁰, начните с набора мантиссы (2):"
 
 #. (itstool) path: example/p
 #: C/scientific.page:17
@@ -1380,21 +1484,23 @@ msgid ""
 "Then press the scientific notation button (or press "
 "<keyseq><key>Ctrl</key><key>E</key></keyseq>):"
 msgstr ""
+"Затем нажмите кнопку экспоненциальной записи (или комбинацию клавиш "
+"<keyseq><key>Ctrl</key><key>E</key></keyseq>):"
 
 #. (itstool) path: example/p
 #: C/scientific.page:25
 msgid "2×10"
-msgstr ""
+msgstr "2×10"
 
 #. (itstool) path: page/p
 #: C/scientific.page:29
 msgid "Then enter the exponent (100):"
-msgstr ""
+msgstr "После этого введите показатель степени (100):"
 
 #. (itstool) path: example/p
 #: C/scientific.page:33
 msgid "2×10¹⁰⁰"
-msgstr ""
+msgstr "2×10¹⁰⁰"
 
 #. (itstool) path: page/p
 #: C/scientific.page:37
@@ -1402,12 +1508,15 @@ msgid ""
 "To show results in scientific form change the <link xref=\"number-"
 "display\">result format</link>."
 msgstr ""
+"Чтобы задать систему счисления, в которой будут отображаться результаты в "
+"научном формате, измените значения параметра <link xref=\"number-"
+"display\">формат результатов</link>."
 
 #. (itstool) path: info/title
 #: C/superscript.page:7
 msgctxt "sort"
 msgid "_"
-msgstr ""
+msgstr "_"
 
 #. (itstool) path: page/title
 #: C/superscript.page:11
@@ -1430,6 +1539,9 @@ msgid ""
 "<mo>+</mo> <mrow> <mn>2</mn> <msup> <mi>x</mi> <mn>2</mn> </msup> </mrow> "
 "<mo>-</mo> <mn>5</mn> </mrow> </math>"
 msgstr ""
+"<math alttext=\"x³+2x²−5\"> <mrow> <msup> <mi>x</mi> <mn>3</mn> </msup> "
+"<mo>+</mo> <mrow> <mn>2</mn> <msup> <mi>x</mi> <mn>2</mn> </msup> </mrow> "
+"<mo>-</mo> <mn>5</mn> </mrow> </math>"
 
 #. (itstool) path: page/p
 #: C/superscript.page:38
@@ -1439,6 +1551,11 @@ msgid ""
 "clicking the number buttons will enter numbers in superscript or subscript. "
 "To return to normal number mode click the active button."
 msgstr ""
+"Чтобы ввести индекс с помощью мыши, выберите нужный режим с помощью кнопок "
+"<gui>↑n</gui> и <gui>↓n</gui>. Когда один из этих режимов активизирован, "
+"нажатие кнопок с цифрами будет вводить числа в виде надстрочного или "
+"подстрочного индекса. Для возврата в обычный режим ввода чисел повторно "
+"щёлкните активную кнопку."
 
 #. (itstool) path: page/p
 #: C/superscript.page:43
@@ -1446,6 +1563,9 @@ msgid ""
 "To enter superscript numbers with the keyboard hold down <key>Ctrl</key> "
 "while entering the number. Hold <key>Alt</key> for subscript."
 msgstr ""
+"Чтобы ввести надстрочный индекс с помощью клавиатуры, при вводе цифр "
+"удерживайте нажатой клавишу <key>Ctrl</key>. Для ввода нижнего индекса - "
+"удерживайте нажатой клавишу <key>Alt</key>."
 
 #. (itstool) path: page/p
 #: C/superscript.page:47
@@ -1453,6 +1573,8 @@ msgid ""
 "The number mode returns to normal when entering the next non-number "
 "character (e.g. +)."
 msgstr ""
+"Режим ввода чисел возвращается к обычному при вводе следующего нецифрового "
+"символа (например, «+»)"
 
 #. (itstool) path: page/title
 #: C/trigonometry.page:9
@@ -1481,17 +1603,23 @@ msgid ""
 "Trigonometry buttons are visible when in <link xref=\"mouse\">Advanced "
 "mode</link>."
 msgstr ""
+"Используемые единицы измерения углов можно изменить с помощью меню: "
+"<guiseq><gui>Калькулятор</gui><gui>Параметры</gui></guiseq>. Кнопки "
+"тригонометрических функций становятся видимыми в <link "
+"xref=\"mouse\">Расширенном режиме</link>."
 
 #. (itstool) path: page/p
 #: C/trigonometry.page:23
 msgid ""
 "Hyperbolic functions are available by adding \"h\" to the end of a function."
 msgstr ""
+"Гиперболические функции доступны при добавлении «h» к названию "
+"тригонометрической функции."
 
 #. (itstool) path: example/p
 #: C/trigonometry.page:27
 msgid "sinh 0.34"
-msgstr ""
+msgstr "sinh 0.34"
 
 #. (itstool) path: page/p
 #: C/trigonometry.page:31
@@ -1500,16 +1628,19 @@ msgid ""
 "(<keyseq><key>Ctrl</key><key>I</key></keyseq>) or the \"a\" form of the "
 "function. The following two equations are equivalent."
 msgstr ""
+"Обратные функции вводятся либо с помощью обратного символа ⁻¹ "
+"(<keyseq><key>Ctrl</key><key>I</key></keyseq>), либо с помощью формы «a» "
+"функции. Следующие два уравнения эквивалентны."
 
 #. (itstool) path: example/p
 #: C/trigonometry.page:36
 msgid "sin⁻¹ 0.5"
-msgstr ""
+msgstr "sin⁻¹ 0.5"
 
 #. (itstool) path: example/p
 #: C/trigonometry.page:39
 msgid "asin 0.5"
-msgstr ""
+msgstr "asin 0.5"
 
 #. (itstool) path: page/p
 #: C/trigonometry.page:43
diff --git a/help/rw/rw.po b/help/rw/rw.po
index 138da27..784101b 100644
--- a/help/rw/rw.po
+++ b/help/rw/rw.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Kinyarwanda (https://www.transifex.com/mate/teams/13566/rw/)\n"
+"Language-Team: Kinyarwanda (https://app.transifex.com/mate/teams/13566/rw/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/si/si.po b/help/si/si.po
index a327b1c..e3f18da 100644
--- a/help/si/si.po
+++ b/help/si/si.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Sinhala (https://www.transifex.com/mate/teams/13566/si/)\n"
+"Language-Team: Sinhala (https://app.transifex.com/mate/teams/13566/si/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/sk/sk.po b/help/sk/sk.po
index 6e1d6a5..fd3073d 100644
--- a/help/sk/sk.po
+++ b/help/sk/sk.po
@@ -8,10 +8,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Ján Ďanovský <[email protected]>, 2020\n"
-"Language-Team: Slovak (https://www.transifex.com/mate/teams/13566/sk/)\n"
+"Language-Team: Slovak (https://app.transifex.com/mate/teams/13566/sk/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/sl/sl.po b/help/sl/sl.po
index 03d8699..5036689 100644
--- a/help/sl/sl.po
+++ b/help/sl/sl.po
@@ -2,7 +2,7 @@
 # Translators:
 # Helena S <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
-# Marko Šterman <[email protected]>, 2018
+# 392dbed06ed0617bcf734e5c3b88c2de_a806767 <56c3eb2cbfedb81f02a0c7d6830fdbf3_19707>, 2018
 # Damir Jerovšek <[email protected]>, 2018
 # worm <[email protected]>, 2018
 # Arnold Marko <[email protected]>, 2020
@@ -10,10 +10,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Arnold Marko <[email protected]>, 2020\n"
-"Language-Team: Slovenian (https://www.transifex.com/mate/teams/13566/sl/)\n"
+"Language-Team: Slovenian (https://app.transifex.com/mate/teams/13566/sl/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/sq/sq.po b/help/sq/sq.po
index df495ee..18bb6d6 100644
--- a/help/sq/sq.po
+++ b/help/sq/sq.po
@@ -7,10 +7,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Indrit Bashkimi <[email protected]>, 2018\n"
-"Language-Team: Albanian (https://www.transifex.com/mate/teams/13566/sq/)\n"
+"Language-Team: Albanian (https://app.transifex.com/mate/teams/13566/sq/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/sr/sr.po b/help/sr/sr.po
index a71721b..d7b9628 100644
--- a/help/sr/sr.po
+++ b/help/sr/sr.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Мирослав Николић <[email protected]>, 2021\n"
-"Language-Team: Serbian (https://www.transifex.com/mate/teams/13566/sr/)\n"
+"Language-Team: Serbian (https://app.transifex.com/mate/teams/13566/sr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -99,8 +99,8 @@ msgid ""
 "To set the base that results are shown in change the <link xref=\"number-"
 "display\">result format</link>."
 msgstr ""
-"Да поставите основу чији су резултати приказани промените <link xref"
-"=\"number-display\">формат резултата</link>."
+"Да поставите основу чији су резултати приказани промените <link "
+"xref=\"number-display\">формат резултата</link>."
 
 #. (itstool) path: page/p
 #: C/base.page:35
diff --git a/help/sr@latin/[email protected] b/help/sr@latin/[email protected]
index c625013..292f6e0 100644
--- a/help/sr@latin/[email protected]
+++ b/help/sr@latin/[email protected]
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Serbian (Latin) (https://www.transifex.com/mate/teams/13566/sr@latin/)\n"
+"Language-Team: Serbian (Latin) (https://app.transifex.com/mate/teams/13566/sr@latin/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/sv/sv.po b/help/sv/sv.po
index 874440f..90abd87 100644
--- a/help/sv/sv.po
+++ b/help/sv/sv.po
@@ -2,15 +2,15 @@
 # Translators:
 # Kristoffer Grundström <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
-# Luna Jernberg <[email protected]>, 2021
+# Luna Jernberg <[email protected]>, 2021
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Luna Jernberg <[email protected]>, 2021\n"
-"Language-Team: Swedish (https://www.transifex.com/mate/teams/13566/sv/)\n"
+"Last-Translator: Luna Jernberg <[email protected]>, 2021\n"
+"Language-Team: Swedish (https://app.transifex.com/mate/teams/13566/sv/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ta/ta.po b/help/ta/ta.po
index fc40939..f46f638 100644
--- a/help/ta/ta.po
+++ b/help/ta/ta.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Tamil (https://www.transifex.com/mate/teams/13566/ta/)\n"
+"Language-Team: Tamil (https://app.transifex.com/mate/teams/13566/ta/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/te/te.po b/help/te/te.po
index 218edf9..eed387c 100644
--- a/help/te/te.po
+++ b/help/te/te.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Telugu (https://www.transifex.com/mate/teams/13566/te/)\n"
+"Language-Team: Telugu (https://app.transifex.com/mate/teams/13566/te/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/th/th.po b/help/th/th.po
index d619eb5..e56fa85 100644
--- a/help/th/th.po
+++ b/help/th/th.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Thai (https://www.transifex.com/mate/teams/13566/th/)\n"
+"Language-Team: Thai (https://app.transifex.com/mate/teams/13566/th/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/tk/tk.po b/help/tk/tk.po
index b646923..0931d04 100644
--- a/help/tk/tk.po
+++ b/help/tk/tk.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Turkmen (https://www.transifex.com/mate/teams/13566/tk/)\n"
+"Language-Team: Turkmen (https://app.transifex.com/mate/teams/13566/tk/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/tr/tr.po b/help/tr/tr.po
index 145c106..20d7a71 100644
--- a/help/tr/tr.po
+++ b/help/tr/tr.po
@@ -2,14 +2,15 @@
 # Translators:
 # mauron, 2018
 # Stefano Karapetsas <[email protected]>, 2018
+# Sabri Ünal <[email protected]>, 2023
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Turkish (https://www.transifex.com/mate/teams/13566/tr/)\n"
+"Last-Translator: Sabri Ünal <[email protected]>, 2023\n"
+"Language-Team: Turkish (https://app.transifex.com/mate/teams/13566/tr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -292,7 +293,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/conv-length.page:18
 msgid "1 acre in cm²"
-msgstr ""
+msgstr "1 akre kaç cm²"
 
 #. (itstool) path: example/p
 #: C/conv-length.page:21
@@ -698,7 +699,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/functions.page:60
 msgid "not"
-msgstr ""
+msgstr "not"
 
 #. (itstool) path: td/p
 #: C/functions.page:61
@@ -845,7 +846,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/keyboard.page:19
 msgid "×"
-msgstr ""
+msgstr "×"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:20
@@ -855,7 +856,7 @@ msgstr ""
 #. (itstool) path: td/p
 #: C/keyboard.page:23
 msgid "÷"
-msgstr ""
+msgstr "÷"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:24
diff --git a/help/ug/ug.po b/help/ug/ug.po
index f014a1b..58ab3a0 100644
--- a/help/ug/ug.po
+++ b/help/ug/ug.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Uyghur (https://www.transifex.com/mate/teams/13566/ug/)\n"
+"Language-Team: Uyghur (https://app.transifex.com/mate/teams/13566/ug/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/uk/uk.po b/help/uk/uk.po
index afdb0a3..a250113 100644
--- a/help/uk/uk.po
+++ b/help/uk/uk.po
@@ -8,10 +8,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Oleksii Khalikov <[email protected]>, 2020\n"
-"Language-Team: Ukrainian (https://www.transifex.com/mate/teams/13566/uk/)\n"
+"Language-Team: Ukrainian (https://app.transifex.com/mate/teams/13566/uk/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/ur/ur.po b/help/ur/ur.po
index a763686..b37afbd 100644
--- a/help/ur/ur.po
+++ b/help/ur/ur.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: mauron, 2018\n"
-"Language-Team: Urdu (https://www.transifex.com/mate/teams/13566/ur/)\n"
+"Language-Team: Urdu (https://app.transifex.com/mate/teams/13566/ur/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/uz/uz.po b/help/uz/uz.po
index 67f4442..2e9bead 100644
--- a/help/uz/uz.po
+++ b/help/uz/uz.po
@@ -1,16 +1,16 @@
 # 
 # Translators:
-# U A <[email protected]>, 2018
+# Umidjon Almasov <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
 # Muzaffar Habibullayev <[email protected]>, 2018
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Muzaffar Habibullayev <[email protected]>, 2018\n"
-"Language-Team: Uzbek (https://www.transifex.com/mate/teams/13566/uz/)\n"
+"Language-Team: Uzbek (https://app.transifex.com/mate/teams/13566/uz/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/vi/vi.po b/help/vi/vi.po
index d0548be..02315ef 100644
--- a/help/vi/vi.po
+++ b/help/vi/vi.po
@@ -6,10 +6,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Vietnamese (https://www.transifex.com/mate/teams/13566/vi/)\n"
+"Language-Team: Vietnamese (https://app.transifex.com/mate/teams/13566/vi/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/wa/wa.po b/help/wa/wa.po
index 75063fd..8a1dad4 100644
--- a/help/wa/wa.po
+++ b/help/wa/wa.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Walloon (https://www.transifex.com/mate/teams/13566/wa/)\n"
+"Language-Team: Walloon (https://app.transifex.com/mate/teams/13566/wa/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/xh/xh.po b/help/xh/xh.po
index fc4727b..2ca1085 100644
--- a/help/xh/xh.po
+++ b/help/xh/xh.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Xhosa (https://www.transifex.com/mate/teams/13566/xh/)\n"
+"Language-Team: Xhosa (https://app.transifex.com/mate/teams/13566/xh/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/zh_CN/zh_CN.po b/help/zh_CN/zh_CN.po
index 206dfec..b49891d 100644
--- a/help/zh_CN/zh_CN.po
+++ b/help/zh_CN/zh_CN.po
@@ -4,16 +4,17 @@
 # Stefano Karapetsas <[email protected]>, 2018
 # Dianjin Wang <[email protected]>, 2018
 # Mingcong Bai <[email protected]>, 2018
-# liulitchi <[email protected]>, 2020
-# OkayPJ <[email protected]>, 2021
+# liu lizhi <[email protected]>, 2020
+# OkayPJ <[email protected]>, 2022
+# Dasferco, 2022
 # 
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
-"Last-Translator: OkayPJ <[email protected]>, 2021\n"
-"Language-Team: Chinese (China) (https://www.transifex.com/mate/teams/13566/zh_CN/)\n"
+"Last-Translator: Dasferco, 2022\n"
+"Language-Team: Chinese (China) (https://app.transifex.com/mate/teams/13566/zh_CN/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -46,22 +47,22 @@ msgstr "绝对值"
 msgid ""
 "Absolute values are calculated using the | symbol or abs <link "
 "xref=\"function\">function</link>."
-msgstr ""
+msgstr "可以使用 | 符号或 abs <link xref=\"function\">函数</link> 来计算绝对值。"
 
 #. (itstool) path: example/p
 #: C/absolute.page:15
 msgid "|−1|"
-msgstr ""
+msgstr "|−1|"
 
 #. (itstool) path: example/p
 #: C/absolute.page:18
 msgid "abs (−1)"
-msgstr ""
+msgstr "abs (−1)"
 
 #. (itstool) path: page/title
 #: C/base.page:9 C/conv-base.page:9
 msgid "Number Bases"
-msgstr ""
+msgstr "数字进制"
 
 #. (itstool) path: page/p
 #: C/base.page:11
@@ -79,7 +80,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/base.page:19
 msgid "113₈"
-msgstr ""
+msgstr "113₈"
 
 #. (itstool) path: example/p
 #: C/base.page:22
@@ -402,7 +403,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/equation.page:39
 msgid "(7−3)×2"
-msgstr ""
+msgstr "(7−3)×2"
 
 #. (itstool) path: page/p
 #: C/equation.page:43
@@ -608,7 +609,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/functions.page:16
 msgid "sin 30"
-msgstr ""
+msgstr "sin 30"
 
 #. (itstool) path: example/p
 #: C/functions.page:19
@@ -855,7 +856,7 @@ msgstr "×"
 #. (itstool) path: td/p
 #: C/keyboard.page:20
 msgid "<key>*</key>"
-msgstr ""
+msgstr "<key>*</key>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:23
@@ -865,7 +866,7 @@ msgstr "÷"
 #. (itstool) path: td/p
 #: C/keyboard.page:24
 msgid "<key>/</key>"
-msgstr ""
+msgstr "<key>/</key>"
 
 #. (itstool) path: td/p
 #: C/keyboard.page:27
@@ -1022,7 +1023,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/logarithm.page:23
 msgid "log₂ 32"
-msgstr ""
+msgstr "log₂ 32"
 
 #. (itstool) path: page/p
 #: C/logarithm.page:27
@@ -1450,7 +1451,7 @@ msgstr ""
 #. (itstool) path: page/title
 #: C/variables.page:9
 msgid "Variables"
-msgstr ""
+msgstr "变量"
 
 #. (itstool) path: page/p
 #: C/variables.page:11
@@ -1463,7 +1464,7 @@ msgstr ""
 #. (itstool) path: example/p
 #: C/variables.page:16
 msgid "x=5"
-msgstr ""
+msgstr "x=5"
 
 #. (itstool) path: example/p
 #: C/variables.page:19
diff --git a/help/zh_HK/zh_HK.po b/help/zh_HK/zh_HK.po
index 53ff6c4..78d5b9e 100644
--- a/help/zh_HK/zh_HK.po
+++ b/help/zh_HK/zh_HK.po
@@ -5,10 +5,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Chinese (Hong Kong) (https://www.transifex.com/mate/teams/13566/zh_HK/)\n"
+"Language-Team: Chinese (Hong Kong) (https://app.transifex.com/mate/teams/13566/zh_HK/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/help/zh_TW/zh_TW.po b/help/zh_TW/zh_TW.po
index 250cea2..da53c55 100644
--- a/help/zh_TW/zh_TW.po
+++ b/help/zh_TW/zh_TW.po
@@ -8,10 +8,10 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2021-01-16 15:04+0100\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-10-01 16:45+0000\n"
 "Last-Translator: 黃柏諺 <[email protected]>, 2019\n"
-"Language-Team: Chinese (Taiwan) (https://www.transifex.com/mate/teams/13566/zh_TW/)\n"
+"Language-Team: Chinese (Taiwan) (https://app.transifex.com/mate/teams/13566/zh_TW/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
diff --git a/mate-calc.pot b/mate-calc.pot
index e169caf..f10ba33 100644
--- a/mate-calc.pot
+++ b/mate-calc.pot
@@ -5,9 +5,9 @@
 #
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <[email protected]>\n"
@@ -48,7 +48,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -111,7 +111,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -207,7 +207,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -235,7 +235,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -253,7 +253,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -277,7 +277,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -291,7 +291,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -413,7 +413,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -463,7 +463,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
@@ -518,12 +518,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -882,12 +882,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -895,7 +895,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -906,7 +906,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -921,7 +921,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -929,13 +929,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -950,294 +950,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1246,7 +1256,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1254,245 +1264,245 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1500,7 +1510,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1508,138 +1518,138 @@ msgid ""
 "more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with "
 "MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr ""
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr ""
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr ""
 
 #. Translators: Error displayed when boolean AND attempted on non-integer values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1690,763 +1700,763 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/meson.build b/meson.build
index 86fd5ce..2051229 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('mate-calc','c',
-  version: '1.26.0',
+  version: '1.28.0',
   meson_version: '>=0.50.0',
   license: 'GPLv3+',
 )
diff --git a/po/af.po b/po/af.po
index 9b15e73..82ee265 100644
--- a/po/af.po
+++ b/po/af.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Afrikaans (https://www.transifex.com/mate/teams/13566/af/)\n"
+"Language-Team: Afrikaans (https://app.transifex.com/mate/teams/13566/af/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Geheue"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -213,7 +213,7 @@ msgstr "K_oste:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Toekomstige waarde"
 
@@ -244,7 +244,7 @@ msgstr "_Periodieke betalings:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Bruto winsgrens"
 
@@ -264,7 +264,7 @@ msgstr "_Grens:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodieke betalings"
 
@@ -290,7 +290,7 @@ msgstr "_Hoofsom:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Huidige waarde"
 
@@ -307,7 +307,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodieke rentekoers"
 
@@ -471,7 +471,7 @@ msgstr "Bwg"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Voeg karakterkode in"
 
@@ -521,7 +521,7 @@ msgid "64-bit"
 msgstr "64-bis"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Voorkeure"
 
@@ -576,12 +576,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Sakrekenaar"
 
@@ -941,12 +941,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr "Suid-Afrikaanse rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -957,7 +957,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -974,7 +974,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -994,7 +994,7 @@ msgstr ""
 "--g-fatal-warnings                Maak alle waarskuwings fataal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1004,13 +1004,13 @@ msgstr ""
 "-s, --solve <vergelyking>         Los die gegewe vergelyking op"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument --solve vereis 'n vergelyking om op te los"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Onbekende argument '%s'"
@@ -1025,294 +1025,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Euler se getal"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Onderskrifmodus [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Boskrifmodus [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Wetenskaplike eksponent [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Optel [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Aftrek [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Vermenigvuldig [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Deel [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Bykomende funksies"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Eksponent [^ of **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kwadraat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Persentasie [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Fakulteit [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolute waarde [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Komplekse konjugasie"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Wortel [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Vierkantswortel [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritme"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Natuurlike logaritme"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangens"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hiperboliese sinus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hiperboliese kosinus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hiperboliese tangens"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverse [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolese EN"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolese OF"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolese eksklusiewe OF"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolese NIE"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Heelgetaldeel"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Breukdeel"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Reële deel"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginêre deel"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Eenkompliment"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Tweekompliment"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Begin groep [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Eindig groep [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Bereken resultaat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktoriseer [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Maak vertoonvenster skoon [Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Ontdoen [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Dubbel-dalende waardevermindering"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Finansiële termyn"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Som-van-die-jare-se-syfers waardevermindering"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Reguitlynwaardevermindering"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binêr"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktaal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Desimaal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heksadesimaal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1321,7 +1331,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1329,188 +1339,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Afrond"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Vloer"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Plafon"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Teken"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Geen geskiedenis vir ontdoen nie"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Geen geskiedenis vir herdoen nie"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Geen sinvolle waarde om te stoor nie"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Oorloop. Probeer 'n groter woordgrootte"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Onbekende veranderlike '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funksie '%s' is nie gedefinieer nie"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Onbekende omskakeling"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Ongeldige uitdrukking"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Moet 'n heelgetal hê om in faktore te ontbind"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Geen sinvolle waarde vir bisgewyse skuif"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Vertoonde waarde nie 'n heelgetal nie"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1518,63 +1528,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grade"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radiale"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradiane"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Outomaties"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Vas"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Wetenskaplik"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingenieurs"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Wys %d desimale _plekke"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Kan nie hulplêer oopmaak nie"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1582,7 +1592,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1590,31 +1600,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Launchpad Contributions:\n"
@@ -1622,113 +1632,113 @@ msgstr ""
 "  maiatoday https://launchpad.net/~maiatoday"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Sakrekenaar"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modus"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Bekyk"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Hulp"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Basies"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Gevorderd"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finansieel"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmering"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Inhoud"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopieer"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Plak"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Ontdoen"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Herdoen"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Voorkeure"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Verlaat"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Aangaande"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Boolese EN is slegs vir positiewe heelgetalle gedefinieer"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Boolese OF is slegs vir positiewe heelgetalle gedefinieer"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolese XOF is slegs vir positiewe heelgetalle gedefinieer"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Boolese NIE is slegs vir positiewe heelgetalle gedefinieer"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Shift is slegs moontlik op heelgetalwaardes"
 
@@ -1783,7 +1793,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1792,760 +1802,760 @@ msgstr ""
 "(90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inverse sinus is ongedefinieer vir waardes buite [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Inverse kosinus is ongedefinieer vir waardes buite [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s grade"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "graad,grade"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radiale"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radiaal,radiale,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradiane"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradiaan,gradiane,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "parsek"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsek,parseks,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Ligjare"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s lj"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ligjaar,ligjare,lj,lig jaar,lig jare"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomiese eenhede"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Seemyl"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Myl"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "myl,myle,myl"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometer"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometers,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Vadem"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "vadem,vadems"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Meter"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meters,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Jaart"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s jt."
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jaart,jaarts,jt"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Voet"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s vt."
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "voet,voet,vt"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Duim"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s duim"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "duim,duime,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "sentimeter,sentimeters,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimeter"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometers"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometer,mikrometers,um,μm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometer"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s sm."
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektaar"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektaar,hektare,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Akkers"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s akker"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "akker,akkers"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubieke meter"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gelling"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gell."
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gelling,gellings,gal,galon,galonne,gell,gall"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liter"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liter,liters,l"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kwart,kwarte,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Milliliters"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "milliliter,milliliters,ml,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μl"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μl,ul"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Ton"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ton,tonne,t"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogram"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilogramme,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pond"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb."
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pond,ponde,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ons"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz."
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ons,onse,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gram"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,gramme,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Jare"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s jaar"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "jaar,jare"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dae"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dae"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dag,dae"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Ure"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ure"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "uur,ure"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minute"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minute"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuut,minute"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekondes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekonde,sekondes,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisekondes"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisekonde,millisekondes"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekonde"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Fahrenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Hoek"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Lengte"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Oppervlakte"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Gewig"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Tydsduur"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatuur"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Geldeenheid"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/am.po b/po/am.po
index 2bbe485..c81cfc6 100644
--- a/po/am.po
+++ b/po/am.po
@@ -5,16 +5,16 @@
 # 
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# samson <[email protected]>, 2020
+# samson <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: samson <[email protected]>, 2020\n"
-"Language-Team: Amharic (https://www.transifex.com/mate/teams/13566/am/)\n"
+"Last-Translator: samson <[email protected]>, 2022\n"
+"Language-Team: Amharic (https://app.transifex.com/mate/teams/13566/am/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memory"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -211,7 +211,7 @@ msgstr "ዋ_ጋ :"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "የወደፊቱ ዋጋ "
 
@@ -239,7 +239,7 @@ msgstr "በየ _ጊዜው ክፍያ:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr "_መስመር:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "በየ ጊዜው ክፍያ"
 
@@ -281,7 +281,7 @@ msgstr "_መነሻ:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "የ አሁኑ ዋጋ"
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "በየ ጊዜው የ ወለድ መጠን"
 
@@ -448,7 +448,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Insert Character Code"
 
@@ -498,7 +498,7 @@ msgid "64-bit"
 msgstr "64-ቢት "
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "ምርጫዎች"
 
@@ -553,12 +553,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "የ ሜት መደመሪያ "
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "መደመሪያ "
 
@@ -918,12 +918,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -932,7 +932,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -944,7 +944,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -957,7 +957,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -965,13 +965,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "ያልታወቀ ክርክር '%s'"
@@ -986,294 +986,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "የ ዴሲማል ነጥብ"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "መደመሪያ [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "መቀነሻ [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "ማባዣ [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "ማካፈያ [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "ተጨማሪ ተግባሮች "
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponent [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Square [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "ፐርሰንት [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "ፍጹም ዋጋ [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "ውስብስብ ክርክር"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "ስኴር ሩት [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "ሳይን"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "ኮሳይን"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "ታንጀንት"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolic Sine"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolic Cosine"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolic Tangent"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inverse Sine"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inverse Cosine"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inverse Tangent"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverse [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolean AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolean OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolean Exclusive OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolean NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Integer Component"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Fractional Component"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Real Component"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginary Component"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Ones' Complement"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Two's Complement"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "ቡድን ማስጀመሪያ [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "ቡድን መጨረሻ [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "ውጤቱን ማስሊያ "
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorize [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "መመልከቻውን ማጽጃ [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "መተው [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "መቀየሪያ ወደ ግራ [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1282,7 +1292,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1290,188 +1300,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "ክብ "
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "ወለል "
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "ጣራ "
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "ምልክት"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "ተገባሩ '%s' አልተገለጸም "
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "በማስላት ላይ "
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1479,63 +1489,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "ራሱ በራሱ "
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "የተወሰነ "
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "የ እርዳታ ፋይል መክፈት አልተቻለም"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1543,7 +1553,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1551,142 +1561,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Samson-Belete-Belayineh"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_ማስሊያ"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_ዘዴ "
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_መመልከቻ"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_እርዳታ"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_መሰረታዊ"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_የረቀቀ "
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_ገንዘብ"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_ይዞታዎች"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_ኮፒ "
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_መለጠፊያ "
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_መተው"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_እንደገና መስሪያ"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_ምርጫዎች "
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_ማጥፊያ"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_ስለ"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1741,767 +1751,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "የ ብርሀን አመት"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "ማይሎች "
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s ማይል "
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "ማይል: ማይሎች: ማይል "
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "ኪሎ ሚትር "
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s ኪሚ "
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "ኪሎ ሚትር ፡ ኪሎ ሚትሮች ፡ ኪሚ ፡ ኪሜ "
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "ሚትርስ "
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s ሚ "
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "ሚትር ፡ ሚትርስ ፡ ሚ "
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ኢንቾች"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s ኢንች"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "ሴንቲ ሚትር"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s ሴሚ"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "ሚሊ ሚትር "
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s ሚሚ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "ሚሊ ሚትር: ሚሊ ሚትሮች: ሚሚ"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "ማይክሮ ሚትር"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "ኪሎ ግራም"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s ኪግ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "ፓውንድ"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s ፓው"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "ግራም"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s ግ"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "አመቶች "
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s አመቶች "
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "አመት ፡ አመቶች "
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "ቀኖች "
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ቀኖች "
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "ቀን ፡ ቀኖች "
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ሰአቶች "
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ሰአቶች "
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ሰአት ፡ ሰአቶች "
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "ደቂቃዎች "
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s ደቂቃዎች "
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "ደቂቃ ፡ ደቂቃዎች "
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "ሰከንዶች "
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s ሰ "
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "ሰከንድ ፡ ሰከንዶች "
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "ሚሊ ሰከንዶች "
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ሚሰ "
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "ሚሊ ሰከንድ ፡ ሚሊ ሰከንዶች ፡ ሚሰ "
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "ማይክሮ ሰከንዶች "
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "ሴልሺየስ "
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚ሴ "
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚ሴ "
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "ፋራናይት "
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚ፋ "
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚ፋ "
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "ኬልቪን "
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s ኬ "
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "ኬ "
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "እርዝመት "
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "ቦታ "
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "መጠን "
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "ክብደት "
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "የሚፈጀው ጊዜ "
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "የ አየር ንብረት "
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "ገንዘብ"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ar.po b/po/ar.po
index 72dec31..4fcec60 100644
--- a/po/ar.po
+++ b/po/ar.po
@@ -8,16 +8,17 @@
 # mauron, 2018
 # Mosaab Alzoubi <[email protected]>, 2019
 # Stefano Karapetsas <[email protected]>, 2020
-# مهدي السطيفي <[email protected]>, 2020
+# Ahmd go <[email protected]>, 2021
+# مهدي السطيفي <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: مهدي السطيفي <[email protected]>, 2020\n"
-"Language-Team: Arabic (https://www.transifex.com/mate/teams/13566/ar/)\n"
+"Last-Translator: مهدي السطيفي <[email protected]>, 2022\n"
+"Language-Team: Arabic (https://app.transifex.com/mate/teams/13566/ar/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -55,7 +56,7 @@ msgstr "س"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "الذاكرة"
 
@@ -118,7 +119,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "الرّبح المُركّب"
 
@@ -218,7 +219,7 @@ msgstr "ال_كُلفة:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "القيمة المُستقبلية"
 
@@ -248,7 +249,7 @@ msgstr "الدّفع ال_دّوري:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "هامش الرّبح الإجمالي"
 
@@ -268,7 +269,7 @@ msgstr "ال_هامش:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "الدّفع الدّوري"
 
@@ -292,7 +293,7 @@ msgstr "رأس الم_ال:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "القيمة الحالية"
 
@@ -308,7 +309,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "معدّل الرّبح الدّوري"
 
@@ -472,7 +473,7 @@ msgstr "هامش الرّبح الإجمالي"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "أدرِج رمز المِحرف"
 
@@ -522,7 +523,7 @@ msgid "64-bit"
 msgstr "64 بت"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "تفضيلات"
 
@@ -577,12 +578,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "حاسبة متّة"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "الحاسِبة"
 
@@ -943,12 +944,12 @@ msgstr "بوليفار فنزويلي"
 msgid "South African Rand"
 msgstr "راند جنوب إفريقي"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "خطأ: الرّقم الدّال على زمن يجب أن يكون موجبًا"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -959,7 +960,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -976,7 +977,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -996,7 +997,7 @@ msgstr ""
 "  --g-fatal-warnings              جعل جميع التّحذيرات خطيرة"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1006,13 +1007,13 @@ msgstr ""
 "  -s, --solve <معادلة>          لحلّ المُعادلة المعطاة"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "يتطلب المُعطى --solve معادلةً لحلّها"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "مُعطى غير معروف '%s'"
@@ -1027,294 +1028,304 @@ msgstr "π [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "رقم أويلر"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "النقطة العشرية"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "وضع مُنخفض [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "وضع مُرتفع [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "أسٌ علمي [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "اجمع [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "اطرح [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "اضرب [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "قسّم [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "قسّم مُعامليًا"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "دوالٌ إضافية"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "أس [^ أو **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "تربيع [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "نسبة مئوية [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "عاملي [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "القيمة المطلقة [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "مُعطى مُعقّد"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "مُقارنة مُعقّدة"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "جذر [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "جذر تربيعي [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "لوغاريتم"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "لوغاريتم طبيعي"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "جيب"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "جيب تمام"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "ظل"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "الجيب الزائد"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "التّجيب الزائد"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "الظّل الزّائد"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "الجيب العكسي"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "التّجيب العكسي"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "الظّل العكسي"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "مقلوب [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "\"و\" منطقية"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "\"أو\" منطقية"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "\"أو\" حصرية منطقية"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "\"ليس\" منطقية"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "الجزء الصّحيح"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "الجزء الكسري"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "الجزء الحقيقي"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "الجزء التّخيلي"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "تكملة أحادية"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "تكملة ثُنائية"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "ابدأ مجموعة [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "أنهِ مجموعة [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "احسب النّتيجة"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "حلّل [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "امسح المعروض [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "تراجَع [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "الاستهلاك المُتناقص المُزدوج"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "الأجل المالي"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "مجمُوع الاستهلاك السّنوي"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "الاستهلاك الثّابت"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "ثنائي"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "ثماني"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "عشري"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "ستّة عشر"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1327,7 +1338,7 @@ msgstr[5] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1339,188 +1350,188 @@ msgstr[4] ""
 msgstr[5] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "الدّورة"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "الحد الأدنى"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "الحد الأعلى"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "الإشارة"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "إلى"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "بدّل بين وحدات التحويل"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "لا يوجد تأريخ للتّراجع"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "لا يوجد تأريخ للتّكرار"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "القيمة غير صالحةٍ لحفظها"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "تجاوز. جرّب كلمةً أكبر حجمًا"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "مُتغير غير معروف '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "الدّالة %s غير معرّفة"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "تحويل غير معروف"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "جملة غير صالحة عند المُعطى '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "جملة غير صالحة"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "يجري الحساب"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "تحتاج لعددٍ صحيح لتحليله إلى عوامله"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "القيمة غير صالحةٍ لتحويلها"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "اعرض قيمةً بدلًا من العدد الصحيح"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1528,63 +1539,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "درجات"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "قُطريات (راديان)"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "ميولات (غراد)"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "تلقائي"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "ثابت"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "علمي"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "هندسة"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "أظهر %d خا_نة عُشرية"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "تعذّر فتح ملفِ المُساعدة"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
-msgstr ""
+msgstr "فريق متّة التوثيقي "
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1592,7 +1603,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1600,144 +1611,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "فريق عيون العرب للترجمة http://www.arabeyes.org :\n"
 "مصعب الزعبي\t<[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_حاسبة"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "الو_ضع"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_عرض"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_مساعدة"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_أساسي"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "مُ_تقدم"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_مصرفي"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "برم_جي"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "الم_حتويات"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "ا_نسخ"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "ا_لصق"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_تراجع"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "أ_عِد"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "ال_تّفضيلات"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_خروج"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_عنْ"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "\"و\" المنطقية مُعرّفة فقط على الأعداد الصّحيحة الموجبة"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "\"أو\" المنطقية مُعرّفة فقط على الأعداد الصّحيحة الموجبة"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "\"أو\" المنطقية الحصرية مُعرّفة فقط على الأعداد الصّحيحة الموجبة"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "\"ليس\" المنطقية مُعرّفة فقط على الأعداد الصّحيحة الموجبة"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "النّقل مسموح فقط في القيم الصّحيحة"
 
@@ -1792,767 +1803,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr "الظّل غير مُعرّف على الزّوايا من أمثال π (180°) ابتداءً من π/2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "الجيب العكسي غير معرّف على القيم خارج المجال [-1،1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "التّجيب العكسي غير معرّف على القيم خارج المجال [-1،1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "التّجيب العكسي الزّائد غير معرّف على القيم الأصغر من واحد"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s درجة"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "درجة،درجات"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s قُطريات (راديان)"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "قُطري،قُطريات،(راديان)"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s ميولات (غراد)"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "ميولي،ميولات،(غراد)"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "فرسخ نجمي"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s فرسخ نجمي"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "فرسخ،فراسخ"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "سنة ضوئية"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s سنة ضوئية"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "سنة ضوئية،سنين ضوئية"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "وحدة فلكية"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s وحدة فلكية"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "وحدة فلكية"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "ميل بحري"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s ميل بحري"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "ميل بحري"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "ميل"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s ميل"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "ميل،أميال"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "كيلومتر"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s كم"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "كيلومتر،كيلومترات،كم"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "كابل"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s كابل"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "كابل،كابلات"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "قامة"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s قامة"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "قامة،قامات"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "متر"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s م"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "متر،أمتار،م"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "ياردة"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s ياردة"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ياردة،ياردات"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "قدم"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s قدم"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "قدم،أقدام"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "بوصة"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s بوصة"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "بوصة،بوصات"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "سنتيمتر"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s سم"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "سنتيمتر،سنتيمترات،سم"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "ميليمتر"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s مم"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "ميليمتر،ميليمترات،مم"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "ميكرومتر"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s مكروم"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "ميكرومتر،ميكرومترات،مكروم"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "نانومتر"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s نم"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "نانومتر،نانومترات،نم"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "هكتار"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s هكتار"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "هكتار،هكتارات"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "فدّان"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s فدّان"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "فدّان،فدانين"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "مترمُربّع"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s م²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "م²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "سنتيمترمربّع"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s سم²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "سم²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "ميلليمترمربّع"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s مم²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "مم²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "مترمُكعّب"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s م³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "م³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "جالون"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s جالون"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "جالون،جالونات"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "لتر"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s ل"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "لتر،لترات،ل"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "رُبع"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s رُبع"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "رُبع،أرباع"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "مكيال"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s مكيال"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "مكيال،مكاييل"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "ميلليلتر"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s مل"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "ميلليلتر،ميلليلترات،مل،سم³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "ميكرولتر"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s ميكرولتر"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "ميكرولتر،مم³"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "طن"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s طن"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "طن،أطنان"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "كيلوغرام"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s كغ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "كيلوغرام،كيلوغرامات،كغ"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "رطل"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s رطل"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "رطل،أرطال"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "أوقية"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s أوقية"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "أوقية،أوقيات"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "غرام"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s غ"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "غرام،غرامات،غ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "سنة"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s سنة"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "سنة،سنين"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "يوم"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s يوم"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "يوم،أيام"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ساعة"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s سا"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ساعة،ساعات،سا"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "دقيقة"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s د"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "دقيقة،دقائق،د"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "ثانية"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s ثا"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "ثانية،ثوانٍ،ثا"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "ميلليثانية"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s مللي.ثا"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "ملليثاني،ملليثوانٍ،مللي.ثا"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "ميكروثانية"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s ميكرو.ثا"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "ميكروثانية،ميكروثوانٍ،ميكرو.ثا"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "مئوية"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚م"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "درجة مئوية،˚م"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "فهرنهايت"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚ف"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "فهرنهايت،˚ف"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "كلفن"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s كـ"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "كب"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "رانكين"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚ر"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "رانكن،˚ر"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "الزّوايا"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "الأطوال"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "المساحة"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "حجم الصوت"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "الوزن"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "الوقت"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "الحرارة"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "العُملة"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/as.po b/po/as.po
index 233aaed..d8f60e6 100644
--- a/po/as.po
+++ b/po/as.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Assamese (https://www.transifex.com/mate/teams/13566/as/)\n"
+"Language-Team: Assamese (https://app.transifex.com/mate/teams/13566/as/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "মেমৰি"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "যৌগ ম্যাদ"
 
@@ -214,7 +214,7 @@ msgstr "দাম (_o):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "মান"
 
@@ -244,7 +244,7 @@ msgstr "ম্যাদী পৰিশোধ (_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "মোট লাভৰ সীমা"
 
@@ -264,7 +264,7 @@ msgstr "সীমা (_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "ম্যাদী পৰিশোধ"
 
@@ -290,7 +290,7 @@ msgstr "মূলধন (_F):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "বৰ্তমান মান"
 
@@ -306,7 +306,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "ম্যাদী সুদৰ হাৰ"
 
@@ -470,7 +470,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "আখৰ ক'ড সুমুৱাওক"
 
@@ -520,7 +520,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "পছন্দসমূহ"
 
@@ -575,12 +575,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "গণক"
 
@@ -942,12 +942,12 @@ msgstr "ভেনিজুৱেলান বলিভাৰ"
 msgid "South African Rand"
 msgstr "দক্ষিণ আফ্ৰিকান ৰাণ্ড"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "ত্ৰুটি: ম্যাদৰ সংখ্যা ধনাত্মক হব লাগিব"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -958,7 +958,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -975,7 +975,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -995,7 +995,7 @@ msgstr ""
 "  --g-fatal-warnings              সকলো সতৰ্কবাৰ্তা মাৰাত্মক দেখুৱাওক"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1005,13 +1005,13 @@ msgstr ""
 "  -s, --solve <equation>          প্ৰদান কৰা সমীকৰণ সমাধান কৰক"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "তৰ্ক --solve ৰ সমাধান কৰিবলে এটা সমীকৰণৰ প্ৰয়োজন"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "অজ্ঞাত তৰ্ক '%s'"
@@ -1026,294 +1026,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Euler ৰ সংখ্যা"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "চাবস্ক্ৰিপ্ট অৱস্থা [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "চুপাৰস্ক্ৰিপ্ট অৱস্থা [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "বিজ্ঞানভিত্তিক ঘাতচিহ্ন [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "যোগ কৰক"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "বিয়োগ কৰক"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "পুৰন কৰক"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "হৰণ কৰক"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "মডুলাচ হৰণ"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "অতিৰিক্ত ফলনসমূহ"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "ঘাতচিহ্ন [^ অথবা **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "বৰ্গফল [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "শতাংশ"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "গৌণিক [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "সম্পূৰ্ণ মান [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "জটিল তৰ্ক"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "জটিল সংযুগ্ম"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "মূল [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "বৰ্গমূল [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "লগাৰিথম"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "স্বাভাৱিক লগাৰিথম"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sine"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosine"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "টেঞ্জেন্ট"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "অতিবৃত্ত Sine"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "অতিবৃত্ত Cosine"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "অবিবৃত্ত টেঞ্জেন্ট"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "উলুটাওক [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "বুলিয়ান AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "বুলিয়ান OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "বুলিয়ান সূকীয়া OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "বুলিয়ান NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "পূৰ্ণসংখ্যা উপাদান"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "ভগ্নাংশ উপাদান"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "প্ৰকৃত উপাদান"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "কাল্পনিক উপাদান"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "এককৰ পূৰক"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "দুইৰ পূৰক"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "দল আৰম্ভ কৰক [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "দল সমাপ্ত কৰক [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "ফলাফল গণনা কৰক"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "গৌণিকৰণ [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "প্ৰদৰ্শন পৰিষ্কাৰ কৰক [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "কাৰ্য্য বাতিল কৰক [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "দুবাৰ নাকচ কৰা স্খলন"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "আৰ্থিক ম্যাদ"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Sum of the Years Digits স্খলন"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "পোন শাৰী স্খলন"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "বাইনাৰি"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "অক্টেল"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "দশমীক"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "হেক্সাডেচিমেল"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1322,7 +1332,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1330,188 +1340,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "ঘূৰণীয়া"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Floor"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Ceiling"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "চিহ্ন"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " ভিতৰত "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "পৰিবৰ্তন এককসমূহ অদল বদল কৰক"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "কাৰ্য্য বাতিলৰ কোনো ইতিহাস নাই"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "কোনো পুনৰাবৃত্তি ইতিহাস নাই"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "সংৰক্ষণ কৰিবলে কোনো স্বাভাৱিক মান নাই"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "উপচি পৰিছে। এটা ডাঙৰ শব্দ আকাৰ দি চাওক"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "অজ্ঞাত চলক '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "ফলন '%s' ৰ বিৱৰণ দিয়া হোৱা নাই"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "অজ্ঞাত পৰিবৰ্তন"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "টকেন '%s' ত ক্ষতিগ্ৰস্থ অভিব্যক্তি"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "স্খলিত অভিব্যক্তি"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "গণনা কৰা হৈছে"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "গৌণিকৰণৰ বাবে এটা পূৰ্ণসংখ্যাৰ প্ৰয়োজন"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "bitwise স্থানান্তৰৰ বাবে কোনো স্বাভাৱিক মান নাই"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "প্ৰদৰ্শিত মান এটা পূৰ্ণসংখ্যা নহয়"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1519,63 +1529,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "ডিগ্ৰিসমূহ"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "ৰেডিয়ানসমূহ"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "গ্ৰেডিয়ানসমূহ"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "স্বচালিত"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "ঠিক কৰা হল"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "বৈজ্ঞানিক"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "অভিযান্ত্ৰিকী"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d দশমিক স্থানসমূহ দেখুৱাওক (_p)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "সহায়িকাৰ ফাইল খুলিবলৈ ব্যৰ্থ"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1583,7 +1593,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1591,142 +1601,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "অমিতাক্ষ ফুকন ([email protected])"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "ক্যালকুলেটৰ"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "প্ৰদৰ্শন (_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "সাহায্য (_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "মৌলিক (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Advanced"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "অৰ্থনৈতিক মোড (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "প্রোগ্রামিং (_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "বিষয়বস্তু (_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "নকল কৰক (_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "আঠা লগাওক (_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "পূৰ্বাবস্থা (_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "পুনঃ কৰক (_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "পছন্দ (_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "প্ৰস্থান (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "বিষয়ে (_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "বুলিয়ান AND কেৱল ধনাত্মক পূৰ্ণসংখ্যাৰ বাবে বিৱৰিত"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "বুলিয়ান OR কেৱল ধনাত্মক পূৰ্ণসংখ্যাৰ বাবে বিৱৰিত"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "বুলিয়ান XOR কেৱল ধনাত্মক পূৰ্ণসংখ্যাৰ বাবে বিৱৰিত"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "বুলিয়ান NOT কেৱল ধনাত্মক পূৰ্ণসংখ্যাৰ বাবে বিৱৰিত"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "স্থানান্তৰ কেৱল পূৰ্ণসংখ্যা মানসমূহত সম্ভব"
 
@@ -1781,7 +1791,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1789,760 +1799,760 @@ msgstr ""
 "যিসমূহ কোণ π∕2 (90°) পৰা π (180°) ৰ গুণিতক সিহতৰ বাবে টেঞ্জেন্ট অবিৱৰিত"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "উলোটা sine [-1, 1] ৰ বাহিৰ মানসমূহৰ বাবে অবিৱৰিত"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "উলোটা cosine [-1, 1] ৰ বাহিৰ মানসমূহৰ বাবে অবিৱৰিত"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "উলোটা উপবৃত্তিয় cosine একৰ কম মানসমূহৰ বাবে অবিৱৰিত"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s ডিগ্ৰিসমূহ"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "ডিগ্ৰি, ডিগ্ৰিসমূহ, ডিগ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s ৰেডিয়ানসমূহ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "ৰেডিয়ান, ৰেডিয়ানসমূহ, ৰেড"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s গ্ৰেডিয়ানসমূহ"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "গ্ৰেডিয়ান, গ্ৰেডিয়ানসমূহ, গ্ৰেড"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "পাৰচেক্স"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "পাৰচেক, পাৰচেক্স, pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "আলোক বৰ্ষসমূহ"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "আলোকবৰ্ষ, আলোকবৰ্ষসমূহ, ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "জ্যাতিৰ্বিজ্ঞান এককসমূহ"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "নৌ মাইল"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "মাইল"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "মাইল, মাইল, mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "কিলোমিটাৰ"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "কিলোমিটাৰ, কিলোমিটাৰ, kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "কেবুল"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "কেবুল, কেবুল, cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "ফেথম"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "ফেথম, ফেথম, ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "মিটাৰ"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "মিটাৰ, মিটাৰ, m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "ইয়াৰ্ড"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ইয়াৰ্ড, ইয়াৰ্ড, yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "ফুট"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "ফুট, ফুট, ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ইঞ্চিসমূহ"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "ইঞ্চি, ইঞ্চিসমূহ, in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "চেন্টিমিটাৰ"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "চেন্টিমিটাৰ, চেন্টিমিটাৰ, cm, cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "মিলিমিটাৰ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "মিলিমিটাৰ, মিলিমিটাৰ, mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "মাইক্ৰোমিটাৰ"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "মাইক্ৰোমিটাৰ, মাইক্ৰোমিটাৰ, um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "নেনোমিটাৰ"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "নেনোমিটাৰ, নেনোমিটাৰ, nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "হেক্টৰ"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "হেক্টৰ, হেক্টৰ, ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "একৰ"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s একৰ"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "একৰ, একৰ"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "বৰ্গ মিটাৰ"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "বৰ্গ চেন্টিমিটাৰ"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "বৰ্গ মিলিমিটাৰ"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "ত্ৰিঘাত মিটাৰ"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "গেল'ন"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "গেল'ন, গেল'ন, gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "লিটাৰ"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "লিটাৰ, লিটাৰ, লিটাৰ, লিটাৰসমূহ, L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "কুৱাৰ্ট"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "কুৱাৰ্ট, কুৱাৰ্ট, qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "পিন্ট"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "পিন্ট, পিন্ট, pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "মিলিলিটাৰ"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "মিলিলিটাৰ, মিলিলিটাৰ, মিলিলিটাৰ, মিলিলিটাৰ, mL, cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "মাইক্ৰোলিটাৰ"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "টন"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "টন, টন"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "কিলোগ্ৰাম"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "কিলোগ্ৰাম, কিলোগ্ৰাম, কিলোগ্ৰাম, কিলোগ্ৰাম, kg, kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "পাউণ্ড"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "পাউণ্ড, পাউণ্ড, lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "আউঞ্চ"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "আউঞ্চ, আউঞ্চ, oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "গ্ৰাম"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "গ্ৰাম, গ্ৰাম, গ্ৰাম, গ্ৰাম, g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "বছৰসমূহ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s বছৰসমূহ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "বছৰ, বছৰ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "দিনবোৰ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s দিনবোৰ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "দিন, দিনবোৰ"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ঘন্টা"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ঘন্টা"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ঘন্টা, ঘন্টা"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "মিনিট"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s মিনিট"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "মিনিট, মিনিট"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "ছেকেণ্ড"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "ছেকেণ্ড, ছেকেণ্ড, s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "মিলিছেকেণ্ড"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "মিলিছেকেণ্ড, মিলিছেকেণ্ড, ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "মাইক্ৰোছেকেণ্ড"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "মাইক্ৰোছেকেণ্ড, মাইক্ৰোছেকেণ্ড, us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "চেলচিয়াচ"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "কোণ"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "দৈৰ্ঘ্য"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "কালী"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "আয়তন"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "উজন"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "অৱধি"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "তাপমান"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "টকা"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ast.po b/po/ast.po
index ec6fd36..90bb7f3 100644
--- a/po/ast.po
+++ b/po/ast.po
@@ -11,12 +11,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Ḷḷumex03, 2020\n"
-"Language-Team: Asturian (https://www.transifex.com/mate/teams/13566/ast/)\n"
+"Language-Team: Asturian (https://app.transifex.com/mate/teams/13566/ast/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -54,7 +54,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -117,7 +117,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Periodu d'interés compuestu"
 
@@ -218,7 +218,7 @@ msgstr "C_ostu:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valor futuru"
 
@@ -248,7 +248,7 @@ msgstr "_Pagu periódicu:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Marxe d'ingresos brutos"
 
@@ -268,7 +268,7 @@ msgstr "_Marxe:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pagu periódicu"
 
@@ -294,7 +294,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valor presente"
 
@@ -311,7 +311,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Tasa periódica d'interés"
 
@@ -479,7 +479,7 @@ msgstr "Mib"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Inxertar códigu de caráuter"
 
@@ -529,7 +529,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencies"
 
@@ -584,12 +584,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculadora MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculadora"
 
@@ -952,12 +952,12 @@ msgstr "Bolívar venezolanu"
 msgid "South African Rand"
 msgstr "Rand sudafricanu"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Fallu: el númberu de periodos tien de ser positivu"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -968,7 +968,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -985,7 +985,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1005,7 +1005,7 @@ msgstr ""
 "  --g-fatal-warnings              Facer que tolos avisos seyan fatales"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1015,13 +1015,13 @@ msgstr ""
 "  -s, --solve <ecuación>          Resolver la ecuación proporcionada"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Parámetru --resolver necesita una ecuación pa resolver"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Parámetru «%s» desconocíu"
@@ -1036,294 +1036,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Númberu d'Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Mou subíndiz [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Mou superíndiz [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Esponente científicu [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Sumar [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Restar [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplicar [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dividir [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "División modular"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Funciones adicionales"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Esponente [^ o **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Cuadráu [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Porcentaxe [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valor absolutu [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argumentu complexu"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Complexu conxugáu"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Raíz [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Raíz cuadrada [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmu"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritmu natural"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Senu"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosenu"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tanxente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Senu hiperbólicu"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosenu hiperbólicu"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tanxente hiperbólica"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Senu inversu"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Cosenu inversu"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Tanxente inversa"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inversu [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "AND booleanu"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "OR booleanu"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "OR esclusivu booleanu"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NOT booleanu"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Porción entera"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Porción fraicional"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Parte real"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Parte imaxinaria"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Complementu a ún"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Complementu a dos"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Aniciu de bloque [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Fin de bloque [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcular el resultáu"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorizar [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Llimpiar la pantalla [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Desfacer [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Depreciación declinación duble"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Plazu financieru"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Sumatoriu de los años-díxitos de depreciación"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Depreciación llinial"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binariu"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1332,7 +1342,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1340,188 +1350,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Arredondiar"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Suelu"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Techu"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Robla"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " en "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Cambear unidaes de conversión"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Ensin historia de desfechura"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Ensin historia de re-fechura"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Nun hai un valor bonu p'atroxar"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Sobrecarga de búfer. Inténtalo con un tamañu de pallabra mayor"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variable desconocida '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "La función «%s» nun ta definida"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversión desconocida"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Espresión mal formada nel token '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Espresión malformada"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Calculando"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Necesítase un enteru pa factorizar"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Nun hai un valor bonu pa un desplazamientu de bits"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "El valor amosáu nun ye un enteru"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1529,63 +1539,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Graos"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianes"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradianes"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automáticu"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixu"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Científicu"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Inxeniería"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Amosar %d deci_males"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Nun pue abrise'l ficheru d'ayuda"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1593,7 +1603,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1601,142 +1611,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Softastur <www.softastur.org>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculadora"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mou"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Ver"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Ayuda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Básica"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avanzada"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financiera"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programador"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Índiz"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copiar"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "A_pegar"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Desfacer"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Refacer"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencies"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Colar"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Tocante a"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "El AND booleanu namái ta definíu pa númberos enteros positivos"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "El OR booleanu namái ta definíu pa númberos enteros positivos"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "El XOR booleanu namái ta definíu pa númberos enteros positivos"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "El NOT booleanu namái ta definíu pa númberos enteros positivos"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "El desplazamientu namái ye posible en valores enteros"
 
@@ -1791,7 +1801,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1800,761 +1810,761 @@ msgstr ""
 "son de π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "La inversa del senu nun ta definida pa valores fuera de [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "La inversa del cosenu nun ta definida pa valores fuera de [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Nun se definió la inversa del cosenu hiperbólicu pa valores menores qu'ún"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s graos"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grau,graos,grad"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianes"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radián,radianes,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradianes"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradián,gradianes"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Pársecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "pársec,pársecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Años lluz"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "añu lluz,años lluz,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unidaes astronómiques"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Milles náutiques"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s mn"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milles"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milla,milles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Quilómetros"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "quilómetru,quilómetros,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Brazes"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s brz"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "braza,braces,fathom,fathoms,brz,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metros"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metru,metros,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yardes"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yarda,yardes,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Pies"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "pie,pies,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Pulgaes"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s pulg"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "pulgada,pulgaes,pulg"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centímetros"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centímetru,centímetros,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milímetros"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milímetru,milímetros,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrómetros"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrómetru,micrómetros,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanómetros"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s mn"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanómetru,nanómetros,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectáries"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectárea,hectárees,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metros cuadraos"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centímetros cuadraos"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milímetros cuadraos"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metros cúbicos"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galones"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galón,galones,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Llitros"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "llitru,llitros,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Cuartos"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "cuartu,cuartos,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintes"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pintes,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitros"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "milillitru,milillitros,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microllitros"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonelaes"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonelada,tonelaes"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramos"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "quilogramu,quilogramos,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Llibres"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "llibra,llibres,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Onces"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "onza,onzes,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramos"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gramu,gramos,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Años"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s años"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "añu,años"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Díes"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s díes"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "día,díes"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Hores"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hores"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hora,hores"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minutu,minutos"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Segundos"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "segundu,segundos,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisegundos"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisegundu,milisegundos,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsegundos"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsegundu,microsegundos,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "gradC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "gradF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "gradR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Ángulu"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Llonxitú"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Area"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Pesu"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Duración"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Moneda"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/az.po b/po/az.po
index f8ddab9..ea47e9f 100644
--- a/po/az.po
+++ b/po/az.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Azerbaijani (https://www.transifex.com/mate/teams/13566/az/)\n"
+"Language-Team: Azerbaijani (https://app.transifex.com/mate/teams/13566/az/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Yaddaş"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Qurğular"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Hesaplayıcı"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,31 +1560,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Mətin Əmirov <[email protected]>\n"
@@ -1583,113 +1593,113 @@ msgstr ""
 "<[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Görünüş"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Yardım"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Məzmun"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "Köçü_r"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Yapışdır"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Geri Al"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Təkrarla"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Seçimlər"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "Çı_x"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Haqqında"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1744,767 +1754,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/be.po b/po/be.po
index 1c025b3..e25ac94 100644
--- a/po/be.po
+++ b/po/be.po
@@ -5,16 +5,16 @@
 # 
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2020
-# Mihail Varantsou <[email protected]>, 2020
+# Mihail Varantsou <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Mihail Varantsou <[email protected]>, 2020\n"
-"Language-Team: Belarusian (https://www.transifex.com/mate/teams/13566/be/)\n"
+"Last-Translator: Mihail Varantsou <[email protected]>, 2022\n"
+"Language-Team: Belarusian (https://app.transifex.com/mate/teams/13566/be/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Памяць"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -211,7 +211,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -239,7 +239,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -281,7 +281,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Уставіць код знака"
 
@@ -498,7 +498,7 @@ msgid "64-bit"
 msgstr "64 біты"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Настáўленні"
 
@@ -553,12 +553,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Калькулятар MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Калькулятар"
 
@@ -918,12 +918,12 @@ msgstr "Венесуэльскі балівар"
 msgid "South African Rand"
 msgstr "Паўднёваафрыканскі ранд"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -934,7 +934,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -951,7 +951,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -971,7 +971,7 @@ msgstr ""
 "  --g-fatal-warnings              Лічыць усе перасцярогі непапраўнымі"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -981,13 +981,13 @@ msgstr ""
 "  -s, --solve <раўнанне>         Рашыць раўнанне"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Аргумент --solve патрабуе раўнання для рашэння"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Невядомы аргумент \"%s\""
@@ -1002,294 +1002,304 @@ msgstr "Пі [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Канстанта Эйлера"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Межнік дзесятковага дробу"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Ніжні індэкс [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Верхні індэкс [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Навуковая экспанента [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Складанне [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Адніманне [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Множанне [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Дзяленне [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Дзяленне па модулі"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Дадатковыя функцыі"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Экспанента [^ ці **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Квадрат [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Адсоткі [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Фактарыял [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Абсалютнае значэнне [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Камплексны аргумент"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Камплексны спалучаны лік"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Здабыванне кораня [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Здабыванне квадратнага кораня [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Лагарыфм"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Натуральны лагарыфм"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Сінус"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Косінус"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Тангенс"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Гіпербалічны сінус"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Гіпербалічны косінус"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Гіпербалічны тангенс"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Адваротны лік [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Булева \"І\""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Булева \"Ці\""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Булева строгае \"Ці\""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Булева \"Не\""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Цэлая частка"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Дробавая частка"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Рэчаісная частка"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Уяўная частка"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Дапаўненне да адзінкі"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Дапаўненне да двойкі"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Адкрыць дужку [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Закрыць дужку [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Палічыць вынік"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Раскладанне на множнікі [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Ачысціць экран [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Адрабіць назад [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Двайковы"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Васьмярковы"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Дзесятковы"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Шаснаццатковы"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1300,7 +1310,7 @@ msgstr[3] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1310,188 +1320,188 @@ msgstr[2] ""
 msgstr[3] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Акругленне"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Падлога"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Столь"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Сігнум"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " у "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Пераключыць кірунак канверсіі"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Журнал адраблення аперацый адсутнічае"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Журнал паўтору аперацый адсутнічае"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Няма значэння, якое б можна было запомніць"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Перапаўненне. Паспрабуйце павялічыць памер слова."
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Невядомая зменная \"%s\""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Функцыя \"%s\" не азначана"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Невядомы тып канверсіі"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Выраз хібнай формы ў токене \"%s\""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Выраз хібнай формы"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Падлік"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Раскладанне на множнікі прыдатна толькі для цэлых лікаў"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Няма значэння, для якога можна было б ужыць пабітавы зрух"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Значэнне на экране не цэлае"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1499,63 +1509,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Градусы"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Радыяны"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Грады"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Аўтаматычны"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Фіксаваны"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Навуковы"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Інжынерны"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Паказваць %d разрадаў пасля _коскі"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Не выйшла адкрыць файл даведкі"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1563,7 +1573,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1571,145 +1581,145 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Belarusian Language Linux Team <[email protected]>\n"
 "Mikhas Varantsou <[email protected]> 2014-2016"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Калькулятар"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Рэжым"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Выгляд"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Даведка"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Просты"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Адмысловы"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Фінансавы"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Для праграмавання"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Змесціва"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Капіяваць"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Уставіць"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Адрабіць"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Вярнуць"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Настáўленні"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Выйсці"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Пра аплет"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Булева аперацыя \"І\" мае сэнс толькі для неадмоўных цэлых лікаў"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Булева аперацыя \"ЦІ\" мае сэнс толькі для неадмоўных цэлых лікаў"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 "Булева аперацыя строгага \"Ці\" мае сэнс толькі для неадмоўных цэлых лікаў"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Булева аперацыя \"Не\" мае сэнс толькі для неадмоўных цэлых лікаў"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Зрух прыдатны толькі для цэлых лікаў"
 
@@ -1764,7 +1774,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1772,761 +1782,761 @@ msgstr ""
 "Тангенс не вызначаны для вуглоў з перыядам π (180°), пачынаючы з π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Адваротны сінус не вызначаны для значэнняў па-за дыяпазонам [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Адваротны косінус не вызначаны для значэнняў па-за дыяпазонам [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Адваротны гіпербалічны косінус не вызначаны для значэнняў, меншых за адзінку"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s градусаў"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "градус,градусы,градусаў,°"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s радыянаў"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "радыян,радыяны,радыянаў,рад"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s градаў"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "град,грады,градаў,град"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Парсек"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s пс"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "парсек,парсекі,парсекаў,пс,пк"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Светлавы год"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s св.г."
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "светлавы год,светлавыя гады,светлавых гадоў,св.г."
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Астранамічная адзінка"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s а.а."
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "а.а."
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Марская міля"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Міля"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s міляў"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "міля,мілі,міль,міляў"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Кіламетр"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s км"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "кіламетр,кіламетры,кіламетраў,км"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Кабельтаў"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s кабельтавых"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "кабельтаў,кабельтавы,кабельтавых"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Марская сажань"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s марскіх сажняў"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "марская сажань,марскія сажні,марскіх сажняў"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Метр"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s м"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "метр,метры,метраў,м"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Ярд"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s ярдаў"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ярд,ярды,ярдаў"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Фут"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s футаў"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "фут,футы,футаў"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Цалі"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s цаляў"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "цаля,цалі,цаляў"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Сантыметр"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s см"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "сантыметр,сантыметры,сантыметраў,см"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Міліметры"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s мм"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "міліметр,міліметры,міліметраў,мм"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Мікраметр"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s мкм"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "мікраметр,мікраметры,мікраметраў,мкм"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Нанаметры"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s нм"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "нанаметр,нанаметры,нанаметраў,нм"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Гектар"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s га"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "гектар,гектары,гектараў,га"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Акр"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s акраў"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "акр,акры,акраў"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Квадратны метр"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s м²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "м²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Квадратны сантыметр"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s см²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "см²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Квадратны міліметр"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s мм²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "мм²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Кубічны метр"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s м³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "м³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Галон"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s галонаў"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "галон,галоны,галонаў"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Літр"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s л"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "літр,літры,літраў,л"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Кварта"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s квартаў"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "кварта,кварты,кварт,квартаў"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Пінта"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s пінтаў"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "пінта,пінты,пінтаў"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Мілілітр"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s мл"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "мілілітр,мілілітры,мілілітраў,мл,см³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Мікралітр"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s мкл"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "мікралітр,мікралітры,мікралітраў,мм³,мкл"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Тона"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s т"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "тона,тоны,тон,тонаў,т"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Кілаграм"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s кг"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "кілаграм,кілаграмы,кілаграмаў,кг"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Фунт"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s фунтаў"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "фунт,фунты,фунтаў"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Унцыя"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s унцый"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "унцыя,унцыі,унцый"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Грам"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s г"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "грам,грамы,грамаў,г"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Год"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s гадоў"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "год,гады,гадоў"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Дзень"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s дзён"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "дзень,дні,дзён"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Гадзіна"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s гадзін"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "гадзіна,гадзіны,гадзін"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Хвіліна"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s хвілін"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "хвіліна,хвіліны,хвілін"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Секунда"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s с"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "секунда,секунды,секунд,секундаў,с"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Мілісекунда"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s мс"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "мілісекунда,мілісекунды,мілісекунд,мілісекундаў,мс"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Мікрасекунда"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s мкс"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "мікрасекунда,мікрасекунды,мікрасекунд,мікрасекундаў,мкс"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Паводле Цэльсія"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Градус Фарэнгейта"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Паводле Кельвіна"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "К"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Градус Ранкіна"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Вугал"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Даўжыня"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Плошча"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Гучнасць"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Вага"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Час"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Тэмпература"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Валюта"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/bg.po b/po/bg.po
index 595d5df..b82dac1 100644
--- a/po/bg.po
+++ b/po/bg.po
@@ -5,21 +5,21 @@
 # 
 # Translators:
 # Georgi Georgiev (Жоро) <[email protected]>, 2018
-# Любомир Василев, 2018
 # Замфир Йончев <[email protected]>, 2018
 # Wolfgang Ulbrich <[email protected]>, 2019
 # H Bozhkov, 2020
 # Stefano Karapetsas <[email protected]>, 2020
 # Борислав Георгиев <[email protected]>, 2020
+# Любомир Василев, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Борислав Георгиев <[email protected]>, 2020\n"
-"Language-Team: Bulgarian (https://www.transifex.com/mate/teams/13566/bg/)\n"
+"Last-Translator: Любомир Василев, 2022\n"
+"Language-Team: Bulgarian (https://app.transifex.com/mate/teams/13566/bg/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -57,7 +57,7 @@ msgstr "памет"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Памет"
 
@@ -120,7 +120,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Сложна лихва"
 
@@ -221,7 +221,7 @@ msgstr "_Разход:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Бъдеща стойност"
 
@@ -251,7 +251,7 @@ msgstr "_Периодично плащане:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Брутна норма на печалба"
 
@@ -271,7 +271,7 @@ msgstr "_Норма:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Периодично плащане"
 
@@ -297,7 +297,7 @@ msgstr "_Главница:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Текуща стойност"
 
@@ -313,7 +313,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Лихвен процент на период"
 
@@ -481,7 +481,7 @@ msgstr "БНП"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Вмъкване на код на знак"
 
@@ -531,7 +531,7 @@ msgid "64-bit"
 msgstr "64 бита"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Настройки"
 
@@ -586,12 +586,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Калкулатор"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Калкулатор"
 
@@ -954,12 +954,12 @@ msgstr "Венесуелски боливар"
 msgid "South African Rand"
 msgstr "Южноафрикански ранд"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Грешка: броят на периодите трябва да е положителен"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -970,7 +970,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -987,7 +987,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1009,7 +1009,7 @@ msgstr ""
 "  --g-fatal-warnings              Всички предупреждения да се считат за грешки"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1019,13 +1019,13 @@ msgstr ""
 "  -s, --solve <уравнение>         Решаване на зададеното уравнение"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Опцията --solve изисква уравнение за изчисляване"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Неизвестна опция „%s“"
@@ -1040,294 +1040,304 @@ msgstr "Пи [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Неперово число"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Десетична запетая"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Режим за добавяне на долен индекс [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Режим за добавяне на горен индекс [Crl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Експоненциален запис [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Събиране [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Изваждане [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Умножение [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Деление [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Остатък от делене"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Допълнителни функции"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Степен [^ или **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Повдигане на квадрат [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Процент [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Факториел [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Абсолютна стойност [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Аргумент на комплексно число"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Спрегнато на комплексно число"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Корен [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Корен квадратен [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Логаритъм"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Натурален логаритъм"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Синус"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Косинус"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Тангенс"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Хиперболичен синус"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Хиперболичен косинус"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Хиперболичен тангенс"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Обратна функция на Синус"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Обратна функция на Косинус"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Обратна функция на Тангенс"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Обратна функция [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Булева функция „И“"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Булева функция „ИЛИ“"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Булева функция „изключващо ИЛИ“"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Булева функция „НЕ“"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Целочислена част"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Дробна част"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Реална част"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Имагинерна част"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Обратен код"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Допълнителен код"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Отваряне на скоба [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Затваряне на скоба [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Смятане на резултат"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Разлагане на прости множители [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Изчистване на района за преглед [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Отмяна [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Отместване наляво [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Отместване надясно [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Намаляващ остатък"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Финансов период"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Увеличаваща се сума на числата"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Линейна амортизация"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Двоична"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Осмична"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Десетична"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Шестнадесетична"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1336,7 +1346,7 @@ msgstr[1] "_%d места"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1344,188 +1354,188 @@ msgstr[0] "%d място"
 msgstr[1] "%d места"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Закръгляне до целочислено"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Закръгляне надолу до целочислено"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Закръгляне нагоре до целочислено"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Знак"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "  в  "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Размяна на единиците за преобразуване"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Няма история за отмяна на действие"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Няма история за повтаряне на отменено действие"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Тази стойност не може да се запази"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Препълване. Опитайте с по-голям размер на думата"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Неизвестна променлива „%s“"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Функцията „%s“ не е дефинирана"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Неизвестна мерна единица"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Грешка в израза при „%s“"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Неправилен израз"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Изчисляване"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "За разлагането на множители е необходимо цяло число"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Тази стойност не може да се отмести побитово"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Показваната стойност не е цяло число"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1533,63 +1543,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "градуси"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "радиани"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "градиани"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "автоматично разпознаване"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "фиксирана запетая"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "научен"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "инженерен"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d _знака след запетаята"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Файлът с помощта не може да бъде отворен"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Екип за документация на MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1597,7 +1607,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1605,31 +1615,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Владимир „Kaladan“ Петков <[email protected]>\n"
@@ -1642,102 +1652,102 @@ msgstr ""
 "Докладвайте за грешки на http://mate.cult.bg/bugs"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Калкулатор"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Режим"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Изглед"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Помощ"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Основен режим"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Разширен режим"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Финансов режим"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "Ре_жим за програмиране"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Ръководство"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Копиране"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Поставяне"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Връщане"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Повтаряне"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Настройки"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Изход"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Относно…"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Булевата функция „ИЛИ“ е определена само за положителни цели числа"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Булевата функция „ИЛИ“ е определена само за положителни цели числа"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 "Булевата функция „изключващо ИЛИ“ е определена само за положителни цели "
@@ -1745,12 +1755,12 @@ msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Булевата функция „НЕ“ е определена само за положителни цели числа"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Преместването е възможно само за цели числа"
 
@@ -1805,7 +1815,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1814,26 +1824,26 @@ msgstr ""
 "k.180°), k ∈ ℤ"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 "Функцията обратен синус е неопределена за стойности извън интервала [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 "Функцията обратен косинус е неопределена за стойности извън интервала [-1, "
 "1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Функцията обратен хиперболичен косинус е неопределена за стойности по-малки "
@@ -1841,738 +1851,738 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s градуса"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "градус,градуса,град."
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s радиана"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "радиан,радиана,рад"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s градиана"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "градиан,градиана,град"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "парсеци"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "парсек,парсека,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "светлинни години"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "светлинна година,светлинни години,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "астрономически единици"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "морски мили"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "мили"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "миля,мили,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "километри"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "километър,километра,km,км"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "кабелти"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "кабелт,кабелта,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "фатоми"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "фатом,фатоми,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "метри"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "метър,метри,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "ярдове"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ярд,ярда,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "футове"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "фут,фута,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "инчове"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "инч,инча,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "сантиметри"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "сантиметър,сантиметра,cm,см"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "милиметри"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "милиметър,милиметра,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "микрометри"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "микрометър,микрометра,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "нанометри"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "нанометър,нанометри,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "хектари"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "хектар,хектара,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "акри"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s акра"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "акър,акра"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "квадратни метри"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "квадратни сантиметри"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "квадратни милиметри"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "кубични метри"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "галони"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "галон,галона,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "литри"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "литър,литра,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "кварти"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "кварта,кварти,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "пинти"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "пинта,пинти,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "милилитри"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "милилитър,милилитра,милилитър,милилитра,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "микролитри"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s  μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "тонове"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "тон,тона"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "килограми"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "килограм,килограма,килограм,килограма,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "паундове"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "паунд,паунда,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "унции"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "унция,унции,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "грамове"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "грам,грама,грам,грама,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "години"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s години"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "година,години"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "денонощия"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s денонощия"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "денонощие,денонощия"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "часове"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s часа"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "час,часа"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "минути"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s минути"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "минута,минути"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "секунди"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "секунда, секунди,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "милисекунди"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s мсек"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "милисекунда,милисекунди,ms,мсек"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "микросекунди"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "микросекунда,микросекунди,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Целзий"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "градус по Целзий,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Фаренхайт"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "градус по Фаренхайт,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Келвин"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "К"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Ранкин"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "градус по Ранкин,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "ъгъл"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "дължина"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "площ"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Сила на звука"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "тегло"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "време"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Температура"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "валута"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%2s %1s"
diff --git a/po/bn.po b/po/bn.po
index ea999df..27cfb1c 100644
--- a/po/bn.po
+++ b/po/bn.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Bengali (https://www.transifex.com/mate/teams/13566/bn/)\n"
+"Language-Team: Bengali (https://app.transifex.com/mate/teams/13566/bn/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "মেমরি"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "কালের চক্রবৃদ্ধি"
 
@@ -215,7 +215,7 @@ msgstr "মূল্য: (_o)"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "ভবিষ্যৎ মূল্য"
 
@@ -245,7 +245,7 @@ msgstr "পর্যায়ক্রমিক পরিশোধ: (_P)"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "মোট মুনাফা মার্জিন"
 
@@ -265,7 +265,7 @@ msgstr "মার্জিন: (_M)"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "পর্যায়ক্রমিক পরিশোধ"
 
@@ -291,7 +291,7 @@ msgstr "মূলধন: (_P)"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "বর্তমান মূল্য"
 
@@ -308,7 +308,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "পর্যায়ক্রমিক সুদের হার"
 
@@ -474,7 +474,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -524,7 +524,7 @@ msgid "64-bit"
 msgstr "৬৪-বিট  "
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "পছন্দতালিকা"
 
@@ -579,12 +579,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ক্যালকুলেটর"
 
@@ -946,12 +946,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -962,7 +962,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -979,7 +979,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -999,7 +999,7 @@ msgstr ""
 "  --g-fatal-warnings              সকল সতর্কবানী মারাত্মক হিসেবে প্রদর্শন করা হয়"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1007,13 +1007,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "আরগুমেন্ট -- সমাধানের মাধ্যমে একটি সমীকরণ সমাধান করা হয়"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "অজানা আরগুমেন্ট '%s'"
@@ -1028,294 +1028,304 @@ msgstr "পাই [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "বৈজ্ঞানিক সূচক [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "যোগ [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "বিয়োগ [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "গুণ [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "ভাগ [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "মডিউলাস ভাগ  "
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr " সূচক [^ বা **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "শতাংশ [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "গুণিতক [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "পরম মান [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "বিপরীত [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "বুলিয়ান AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "বুলিয়ান OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "বুলিয়ান NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "বাইনারি"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "অক্টাল"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "দশমিক"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "হেক্সা-ডেসিমেল"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1324,7 +1334,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1332,188 +1342,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "পূর্বাবস্থার কোন ইতিহাস নেই"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "সংরক্ষণের জন্য কোন বাস্তবসম্মত মান পাওয়া যায়নি"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "ওভারফ্লো। একটি বড় শব্দ নিয়ে চেষ্টা করুন"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "অজানা চলক '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "'%s' ফাংশনটি নির্ধারণ করা নেই"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "অজানা রুপান্তর"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "ত্রুটিযুক্ত এক্সপ্রেশন"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "গৌনিক করার জন্য একটি সংখ্যার প্রয়োজন"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "বিট অনুসারে পরিবর্তন করার জন্য কোন বাস্তবসম্মত মান পাওয়া যায়নি"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1521,63 +1531,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "ডিগ্রি  "
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "রেডিয়ান  "
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "গ্রেডিয়ান  "
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "স্বয়ংক্রিয়"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "বৈজ্ঞানিক"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "প্রকৌশল"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "সহায়িকার ফাইল খুলতে ব্যর্থ"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1585,7 +1595,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1593,31 +1603,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "অঙ্কুর প্রকল্পের পক্ষে, সায়মিন্দু দাশগুপ্ত <[email protected]>\n"
@@ -1627,113 +1637,113 @@ msgstr ""
 "ইসরাত জাহান <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "ক্যালকুলেটর (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "প্রদর্শন (_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "সহায়িকা (_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "মূল (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "উচ্চপর্যায়ের (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "অর্থনৈতিক (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "প্রোগ্রামিং (_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "বিষয়বস্তু (_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "অনুলিপি করুন (_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "প্রতিলেপন (_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "পূর্বাবস্থা (_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "পুনরায় করুন (_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "পছন্দ (_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "প্রস্থান (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "পরিচিতি (_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "বুলিয়ান AND শুধুমাত্র সাধারণ সংখ্যার ক্ষেত্রে নির্ধারণ করা আছে"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "বুলিয়ান OR শুধুমাত্র সাধারণ সংখ্যার ক্ষেত্রে নির্ধারণ করা আছে"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "বুলিয়ান XOR শুধুমাত্র সাধারণ সংখ্যার ক্ষেত্রে নির্ধারণ করা আছে"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "বুলিয়ান NOT শুধুমাত্র সাধারণ সংখ্যার ক্ষেত্রে নির্ধারণ করা আছে"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "শুধুমাত্র সংখ্যার মানের ক্ষেত্রেই স্থানান্তর করা সম্ভব"
 
@@ -1788,7 +1798,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1797,760 +1807,760 @@ msgstr ""
 "নির্ধারিত নেই"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "[-1, 1]-এর বাইরের কোন মানের জন্য সাইনের-এর বিপরীত মান নির্দেশ করা নেই"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "[-1, 1]-এর বাইরের কোন মানের জন্য কোসাইন-এর বিপরীত মান নির্দেশ করা নেই"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ইঞ্চি"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "মিলিমিটার"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "সেলসিয়াস"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "কেলভিন"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "ভলিউম"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/bn_IN.po b/po/bn_IN.po
index 36edf74..0a642b6 100644
--- a/po/bn_IN.po
+++ b/po/bn_IN.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Bengali (India) (https://www.transifex.com/mate/teams/13566/bn_IN/)\n"
+"Language-Team: Bengali (India) (https://app.transifex.com/mate/teams/13566/bn_IN/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "মেমরি"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "কালের চক্রবৃদ্ধি"
 
@@ -216,7 +216,7 @@ msgstr "মূল্য: (_o)"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "ভবিষ্যৎ‌য়ের মূল্য"
 
@@ -247,7 +247,7 @@ msgstr "নিয়মিত প্রদান: (_P)"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "মোট মুনাফার প্রান্ত"
 
@@ -267,7 +267,7 @@ msgstr "প্রান্ত: (_M)"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "নিয়মিত প্রদান"
 
@@ -293,7 +293,7 @@ msgstr "মূল অঙ্ক: (_P)"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "উপস্থিত মান"
 
@@ -309,7 +309,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "নির্ধারিত সাময়িক সুদের হার"
 
@@ -475,7 +475,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -525,7 +525,7 @@ msgid "64-bit"
 msgstr "৬৪-বিট"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "प्राथमिकताएं"
 
@@ -580,12 +580,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ক্যালকুলেটর"
 
@@ -949,12 +949,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -965,7 +965,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -982,7 +982,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1002,7 +1002,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1010,7 +1010,7 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
@@ -1018,7 +1018,7 @@ msgstr ""
 "আবশ্যক"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "অজানা আর্গুমেন্ট '%s'"
@@ -1033,294 +1033,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "যোগ (+)"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "বিয়োগ [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "গুণ [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "ভাগ "
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "শতাংশ [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "পরম মান [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "বিপরীত [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "বুলিয়ান AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "বুলিয়ান OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "বুলিয়ান NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "বাইনারি"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "অক্টাল"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "দশমিক"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "হেক্সা-ডেসিমেল"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1329,7 +1339,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1337,188 +1347,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "কর্মতালিকা পরিবর্তন করা যাবে না"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "সংরক্ষণের জন্য কোন মান পাওয়া যায়নি"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "ওভার-ফ্লো। অধিক বড় শব্দ সহযোগে প্রয়াস করুন"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "অজানা ভেরিয়েবল '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "অজানা রূপান্তর"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "অবৈধ সংখ্যা"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "bitwise শিফ্ট করার জন্য কোন মান পাওয়া যায়নি"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "০,১,২,৩,৪,৫,৬,৭,৮,৯,A,B,C,D,E,F"
 
@@ -1526,63 +1536,63 @@ msgstr "০,১,২,৩,৪,৫,৬,৭,৮,৯,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "ডিগ্রি"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "রেডিয়েন"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "গ্রেডিয়েন"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "স্বয়ংক্রিয়"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "বৈজ্ঞানিক মোড"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "সহায়িকার ফাইল খুলতে ব্যর্থ"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1590,7 +1600,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1598,31 +1608,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "সায়মিন্দু দাশগুপ্ত <[email protected]> \n"
@@ -1630,113 +1640,113 @@ msgstr ""
 "(অঙ্কুর প্রকল্পের পক্ষ থেকে)"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "ক্যালকুলেটর (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "প্রদর্শন (_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "সাহায্য (_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "মৌলিক মোড(_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "উন্নত বৈশিষ্ট্য (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "অর্থনৈতিক মোড (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "প্রোগ্রামিং (_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "সূচিপত্র (_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "কপি করুন(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "পেস্ট করুন (_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "পূর্বাবস্থা (_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "পুনরাবৃত্তি (_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_प्राथमिकताएं"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "প্রস্থান (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "পরিচিতি (_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1791,767 +1801,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ইঞ্চি"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "মিলিমিটার"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "সেলসিয়াস"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "কেলভিন"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "কেলভিন"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "ভলিউম"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/br.po b/po/br.po
index 3526317..30f0085 100644
--- a/po/br.po
+++ b/po/br.po
@@ -10,12 +10,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Alan Monfort <[email protected]>, 2020\n"
-"Language-Team: Breton (https://www.transifex.com/mate/teams/13566/br/)\n"
+"Language-Team: Breton (https://app.transifex.com/mate/teams/13566/br/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -53,7 +53,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memor"
 
@@ -116,7 +116,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -212,7 +212,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -240,7 +240,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -258,7 +258,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -282,7 +282,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -296,7 +296,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -449,7 +449,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -499,7 +499,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Gwellvezioù"
 
@@ -554,12 +554,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -919,12 +919,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -933,7 +933,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -945,7 +945,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -958,7 +958,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -966,13 +966,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -987,294 +987,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1286,7 +1296,7 @@ msgstr[4] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1297,188 +1307,188 @@ msgstr[3] ""
 msgstr[4] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1486,63 +1496,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1550,7 +1560,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1558,142 +1568,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Troet eo bet gant"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Gwelout"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Skoazell"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "Endal_c'hadoù"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Eilañ"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Pegañ"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Dizober"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Adober"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Gwellvezioù"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Kuitaat"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Diwar-benn"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1748,767 +1758,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Meutadoù"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetroù"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/bs.po b/po/bs.po
index 54edbfe..509d0d2 100644
--- a/po/bs.po
+++ b/po/bs.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Sky Lion <[email protected]>, 2020\n"
-"Language-Team: Bosnian (https://www.transifex.com/mate/teams/13566/bs/)\n"
+"Language-Team: Bosnian (https://app.transifex.com/mate/teams/13566/bs/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memorija"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -211,7 +211,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -239,7 +239,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -281,7 +281,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -498,7 +498,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Postavke"
 
@@ -553,12 +553,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Računalo"
 
@@ -918,12 +918,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -932,7 +932,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -944,7 +944,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -957,7 +957,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -965,13 +965,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -986,294 +986,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1283,7 +1293,7 @@ msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1292,188 +1302,188 @@ msgstr[1] ""
 msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1481,63 +1491,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1545,7 +1555,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1553,142 +1563,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Prevoditelji"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Pogled"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Pomoć"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Sadržaj"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopiraj"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Umetni"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Vrati"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Po_novi"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Postavke"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Izađi"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_O"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1743,767 +1753,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetri"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celzij"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/ca.po b/po/ca.po
index e3f1fd4..d2d6984 100644
--- a/po/ca.po
+++ b/po/ca.po
@@ -5,18 +5,18 @@
 # 
 # Translators:
 # Francesc Famadas, 2018
-# Pere Orga <[email protected]>, 2019
+# Pere O. <[email protected]>, 2019
 # Stefano Karapetsas <[email protected]>, 2020
-# Robert Antoni Buj i Gelonch <[email protected]>, 2021
+# Robert Antoni Buj i Gelonch <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Robert Antoni Buj i Gelonch <[email protected]>, 2021\n"
-"Language-Team: Catalan (https://www.transifex.com/mate/teams/13566/ca/)\n"
+"Last-Translator: Robert Antoni Buj i Gelonch <[email protected]>, 2022\n"
+"Language-Team: Catalan (https://app.transifex.com/mate/teams/13566/ca/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -54,7 +54,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memòria"
 
@@ -117,7 +117,7 @@ msgstr "const."
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Període compost"
 
@@ -218,7 +218,7 @@ msgstr "C_ost:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valor futur"
 
@@ -249,7 +249,7 @@ msgstr "_Pagament periòdic:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Marge de benefici brut"
 
@@ -269,7 +269,7 @@ msgstr "_Marge:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pagament periòdic"
 
@@ -295,7 +295,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valor actual"
 
@@ -312,7 +312,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Tipus d'interès periòdic"
 
@@ -479,7 +479,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Insereix un codi de caràcter"
 
@@ -529,7 +529,7 @@ msgid "64-bit"
 msgstr "64 bits"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferències"
 
@@ -590,12 +590,12 @@ msgstr ""
 "de l'entorn d'escriptori MATE. Si voleu saber més sobre MATE i la "
 "calculadora de MATE, visiteu la pàgina principal del projecte."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculadora de MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculadora"
 
@@ -959,12 +959,12 @@ msgstr "Bolívar veneçolà"
 msgid "South African Rand"
 msgstr "Rand sud-africà"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "S'ha produït un error, el nombre de períodes ha de ser positiu"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -975,7 +975,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -992,7 +992,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1012,7 +1012,7 @@ msgstr ""
 "  --g-fatal-warnings              Fa que tots els avisos siguin fatals"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1022,13 +1022,13 @@ msgstr ""
 "  -s, --solve <equation>          Resol l'equació proporcionada"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "L'argument --solve requereix una equació a resoldre"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Argument desconegut «%s»"
@@ -1043,294 +1043,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Número d'Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Punt decimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Mode de subíndex [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Mode de superíndex [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Exponent científic [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Suma [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Resta [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplica [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Divideix [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Divisió modular"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Funcions addicionals"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Constants addicionals"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponencial [^ o **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Quadrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentatge [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valor absolut [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argument del complex"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Conjugat del complex"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Arrel [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Arrel quadrada [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritme"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritme neperià"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sinus hiperbòlic"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosinus hiperbòlic"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangent hiperbòlica"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Invers del sinus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Invers del cosinus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Invers de la tangent"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Invers [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Operació binària AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Operació binària OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Operació binària OR exclusiu"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Operació binària NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Part entera"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Part fraccionària"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Part real"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Part imaginària"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Complement a 1"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Complement a 2"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Inici del grup [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Final del grup [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcula el resultat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factoritza [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Neteja la pantalla [Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Desfés [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Desplaça a l'esquerra [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Desplaça a la dreta [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Depreciació doble decreixent"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Termini financer"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Depreciació per suma dels dígits dels anys"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Depreciació constant"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binària"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1339,7 +1349,7 @@ msgstr[1] "_%d posicions"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1347,188 +1357,188 @@ msgstr[0] "%d posició"
 msgstr[1] "%d posicions"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Arrodoneix"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Cap a baix"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Cap a dalt"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Signe"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Velocitat de la llum"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299.792.458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Constant magnètica"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1,2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Permitivitat del buit"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8,85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Constant de la gravitació"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6,67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Constant de Planck"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6,62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Càrrega elèctrica elemental"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1,021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Massa de l'electró"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9,10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Massa del protó"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1,672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Nombre d'Avogadro"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6,02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " a "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Commuta les unitats de conversió"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Sense historial per desfer"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Sense historial per refer"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "No és un valor adequat per emmagatzemar"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Desbordament. Proveu amb una mida més gran de la paraula"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variable desconeguda «%s»"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "La funció «%s» no és definida"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversió desconeguda"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "L'expressió a «%s» està mal escrita"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Expressió mal escrita"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "S'està calculant"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Cal un enter per factoritzar"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "No és un valor adequat per fer un desplaçament bit a bit"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "El valor a mostrar no és un enter"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1536,63 +1546,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Graus"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radians"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Graus centesimals"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automàtic"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fix"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Científic"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Enginyer"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Mostra %d _posicions decimals"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "No es pot obrir el fitxer d'ajuda"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Equip de documentació de MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1604,7 +1614,7 @@ msgstr ""
 "ha estat publicada per la Free Software Foundation, ja sigui la versió 2 de "
 "la Llicència o bé (si ho preferiu) qualsevol versió posterior."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1616,7 +1626,7 @@ msgstr ""
 "ADEQUACIÓ PER A CAP FINALITAT DETERMINADA. Consulteu la Llicència Pública "
 "General de GNU per a més informació."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1627,7 +1637,7 @@ msgstr ""
 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 "
 "USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1636,11 +1646,11 @@ msgstr ""
 "Calculadora amb mode financer i científic.\n"
 "Utilitza GNU MPFR %s i GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Quant a la calculadora de MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1648,7 +1658,7 @@ msgstr ""
 "Drets d'autor © 1986–2010 Els autors de GCalctool\n"
 "Drets d'autor © 2011-2021 Els desenvolupadors de MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Blanca Biosca <[email protected]>\n"
@@ -1657,113 +1667,113 @@ msgstr ""
 "Robert Antoni Buj Gelonch <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculadora"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mode"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vista"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Ajuda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Bàsic"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avançat"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financer"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programació"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Historial"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Contingut"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copia"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Enganxa"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Desfés"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Refés"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Neteja l'historial"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferències"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Surt"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Quant a"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "L'operació binària AND només està definida per als enters positius"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "L'operació binària OR només està definida per als enters positius"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "L'operació binària XOR només està definida per als enters positius"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "L'operació binària NOT només està definida per als enters positius"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "El desplaçament només és possible en valors enters"
 
@@ -1785,7 +1795,7 @@ msgstr "El logaritme de zero no és definit"
 #. Translators: Error displayed when attempting to take zeroth root
 #: src/mp.c:434
 msgid "The zeroth root of a number is undefined"
-msgstr ""
+msgstr "L'arrel zero d'un nombre no està definida"
 
 #. Translators: Error displayed when attempted take the factorial of a
 #. negative or complex number
@@ -1818,7 +1828,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "La funció zeta de Riemann només està definida per a nombres reals ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1827,23 +1837,23 @@ msgstr ""
 " (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "L'invers del sinus no es troba definit per a valors fora de [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "L'invers del cosinus no es troba definit per a valors fora de [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "La funció arctangent no està definida per als valors «i» i «-i»"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "L'invers del cosinus hiperbòlic no es troba definit per als valors més "
@@ -1851,740 +1861,740 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "La funció invers de la tangent hiperbòlica no està definida per a valors "
 "fora (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s graus"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grau,graus,graus"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radians"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s graus centesimals"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "grau centesimal,graus centesimals,graus centesimals"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Anys llum"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "any llum,anys llum,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unitats astronòmiques"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Milles nàutiques"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milles"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milla,milles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Quilòmetres"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "quilòmetre,quilòmetres,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Braces"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s braces"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "braça,braces,braces"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metres"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metre,metres,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Iardes"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "iarda,iardes,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Peus"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "peu,peus,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Polzades"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "polzada,polzades,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centímetres"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centímetre,centímetres,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Mil·límetres"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "mil·límetre,mil·límetres,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micròmetres"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micròmetre,micròmetres,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanòmetres"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s mn"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanòmetre,nanòmetres,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectàrees"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectàrea,hectàrees,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metres quadrats"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centímetres quadrats"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Mil·límetres quadrats"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metres cúbics"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galons"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galó,galons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litres"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarts"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintes"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pintes,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mil·lilitres"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mil·lilitre,mil·lilitres,ml,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitres"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tones"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tona,tones"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Quilograms"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "quilograms,quilograms,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Lliures"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "lliura,lliures,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Unces"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "unça,unces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grams"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Anys"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s anys"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "any,anys"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dies"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dies"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dia,dies"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Hores"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hores"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hora,hores"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minuts"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minuts"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minut,minuts"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Segons"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "segon,segons,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Mil·lisegons"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "mil·lisegon,mil·lisegons,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsegons"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsegon,microsegons,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Fahrenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angle"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Longitud"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Àrea"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volum"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Pes"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Duració"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Moneda"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/[email protected] b/po/[email protected]
index 9405d18..14df8e7 100644
--- a/po/[email protected]
+++ b/po/[email protected]
@@ -7,16 +7,16 @@
 # Pilar Embid <[email protected]>, 2019
 # Empar Montoro <[email protected]>, 2019
 # Stefano Karapetsas <[email protected]>, 2020
-# Jose Alfredo Murcia Andrés <[email protected]>, 2020
+# Jose Alfredo Murcia Andrés <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Jose Alfredo Murcia Andrés <[email protected]>, 2020\n"
-"Language-Team: Catalan (Valencian) (https://www.transifex.com/mate/teams/13566/ca@valencia/)\n"
+"Last-Translator: Jose Alfredo Murcia Andrés <[email protected]>, 2022\n"
+"Language-Team: Catalan (Valencian) (https://app.transifex.com/mate/teams/13566/ca@valencia/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -54,7 +54,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memòria"
 
@@ -117,7 +117,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Període compost"
 
@@ -218,7 +218,7 @@ msgstr "C_ost:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valor futur"
 
@@ -249,7 +249,7 @@ msgstr "_Pagament periòdic:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Marge de benefici brut"
 
@@ -269,7 +269,7 @@ msgstr "_Marge:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pagament periòdic"
 
@@ -295,7 +295,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valor actual"
 
@@ -312,7 +312,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Tipus d'interés periòdic"
 
@@ -479,7 +479,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Insereix un codi de caràcter"
 
@@ -529,7 +529,7 @@ msgid "64-bit"
 msgstr "64 bits"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferències"
 
@@ -584,12 +584,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculadora del MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculadora"
 
@@ -953,12 +953,12 @@ msgstr "Bolívar veneçolà"
 msgid "South African Rand"
 msgstr "Rand sud-africà"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "S'ha produït un error, el nombre de períodes ha de ser positiu"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -969,7 +969,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -986,7 +986,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1006,7 +1006,7 @@ msgstr ""
 "  --g-fatal-warnings              Fa que tots els avisos siguen fatals"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1016,13 +1016,13 @@ msgstr ""
 "  -s, --solve <equation>          Resol l'equació proporcionada"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "L'argument --solve requereix una equació per resoldre"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Argument desconegut «%s»"
@@ -1037,294 +1037,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Número d'Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Punt decimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Mode de subíndex [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Mode de superíndex [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Exponent científic [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Suma [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Resta [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplica [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Divideix [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Divisió modular"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Funcions addicionals"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponencial [^ o **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Quadrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentatge [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valor absolut [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argument del complex"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Conjugat del complex"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Arrel [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Arrel quadrada [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritme"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritme natural"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sinus hiperbòlic"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosinus hiperbòlic"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangent hiperbòlica"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Invers del sinus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Invers del cosinus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Invers de la tangent"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Invers [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Operació lògica AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Operació lògica OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Operació lògica OR exclusiu"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Operació lògica NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Part entera"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Part fraccionària"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Part real"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Part imaginària"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Complement a 1"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Complement a 2"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Inici del grup [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Final del grup [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcula el resultat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factoritza [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Neteja la pantalla [Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Desfés [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Desplaça a l'esquerra [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Desplaça a la dreta [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Depreciació doble decreixent"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Termini financer"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Depreciació per suma dels dígits dels anys"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Depreciació constant"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binària"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1333,7 +1343,7 @@ msgstr[1] "_%d posicions"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1341,188 +1351,188 @@ msgstr[0] "%d posició"
 msgstr[1] "%d posicions"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Arredoneix"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "A la baixa"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "A l'alça"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Signe"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " a "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Commuta les unitats de conversió"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Sense historial per desfer"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Sense historial per refer"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "No és un valor adequat per a emmagatzemar"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Desbordament. Proveu-ho amb una mida més gran de paraula"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variable desconeguda «%s»"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "La funció «%s» no és definida"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversió desconeguda"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "L'expressió a «%s» està mal escrita"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Expressió mal escrita"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "S'està calculant"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Cal un enter per a factoritzar"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "No és un valor adequat per a fer un desplaçament bit a bit"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "El valor mostrat no és un enter"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1530,63 +1540,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Graus"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radians"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Graus centesimals"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automàtic"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fix"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Científic"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Enginyer"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Mostra %d _posicions decimals"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "No s'ha pogut obrir el fitxer d'ajuda"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Equip de documentació del MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1594,7 +1604,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1602,31 +1612,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Quico Llach <[email protected]>\n"
@@ -1637,113 +1647,113 @@ msgstr ""
 "Equip LliureX: Pilar Embid <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculadora"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mode"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vista"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Ajuda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Bàsic"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avançat"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financer"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programació"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Continguts"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copia"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Enganxa"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Desfés"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Refés"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferències"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Ix"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Quant a"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "L'operació lògica AND només està definida per a enters positius"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "L'operació lògica OR només està definida per a enters positius"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "L'operació lògica XOR només està definida per a enters positius"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "L'operació lògica NOT només està definida per a enters positius"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "El desplaçament només és possible en valors enters"
 
@@ -1798,7 +1808,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1807,23 +1817,23 @@ msgstr ""
 "π∕4 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "La inversa del sinus no està definida per a valors fora de [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "La inversa del cosinus no està definida per a valors fora de [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "La inversa del cosinus hiperbòlic no està definida per a valors inferiors a "
@@ -1831,738 +1841,738 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s graus"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grau,graus,graus"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radians"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s graus centesimals"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "grau centesimal,graus centesimals,graus centesimals"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Anys llum"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "any llum,anys llum,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unitats astronòmiques"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Milles nàutiques"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milles"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milla,milles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Quilòmetres"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "quilòmetre,quilòmetres,km,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Braces"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s braces"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "braça,braces,braces"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metres"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metre,metres,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Iardes"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "iarda,iardes,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Peus"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "peu,peus,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Polzades"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "polzada,polzades,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centímetres"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centímetre,centímetres,cm,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Mil·límetres"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "mil·límetre,mil·límetres,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micròmetres"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micròmetre,micròmetres,μm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanòmetres"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanòmetre,nanòmetres,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectàrees"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectàrea,hectàrees,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metres quadrats"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centímetres quadrats"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Mil·límetres quadrats"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metres cúbics"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galons"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galó,galons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litres"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarts"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintes"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pintes,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mil·litres"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mil·litre,mil·litres,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitres"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tones"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tona,tones"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Quilograms"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "quilograms,quilograms,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Lliures"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "lliura,lliures,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Unces"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "unça,unces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grams"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Anys"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s anys"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "any,anys"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dies"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dies"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dia,dies"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Hores"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hores"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hora,hores"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minuts"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minuts"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minut,minuts"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Segons"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "segon,segons,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Mil·lisegons"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "mil·lisegon,mil·lisegons,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsegons"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsegon,microsegons,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Fahrenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angle"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Longitud"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Àrea"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volum"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Pes"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Duració"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Moneda"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/cmn.po b/po/cmn.po
index 9bd321f..9fd750a 100644
--- a/po/cmn.po
+++ b/po/cmn.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: 趙惟倫 <[email protected]>, 2020\n"
-"Language-Team: Chinese (Mandarin) (https://www.transifex.com/mate/teams/13566/cmn/)\n"
+"Language-Team: Chinese (Mandarin) (https://app.transifex.com/mate/teams/13566/cmn/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "記憶體"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "複利期間"
 
@@ -210,7 +210,7 @@ msgstr "花費(_O)："
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "未來值"
 
@@ -238,7 +238,7 @@ msgstr "定期付款(_P)："
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "毛利率"
 
@@ -256,7 +256,7 @@ msgstr "盈餘(_M)："
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "定期付款"
 
@@ -280,7 +280,7 @@ msgstr "本金(_P)："
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "現值"
 
@@ -294,7 +294,7 @@ msgstr "計算投資的現值，根據一系列等額付款，按照約定付款
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "定期利率"
 
@@ -449,7 +449,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "插入字元代碼"
 
@@ -499,7 +499,7 @@ msgid "64-bit"
 msgstr "64 位元"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "偏好設定"
 
@@ -554,12 +554,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE 計算機"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "計算機"
 
@@ -919,12 +919,12 @@ msgstr "委內瑞拉波利瓦爾"
 msgid "South African Rand"
 msgstr "南非蘭特"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "錯誤：週期數必須為正"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -935,7 +935,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -951,7 +951,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -971,7 +971,7 @@ msgstr ""
 "  --g-fatal-warnings              將所有警告設為嚴重的"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -981,13 +981,13 @@ msgstr ""
 "  -s，--solve <equation>          解開指定的算式"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "引數 --solve 需要指定想解開的方程式"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "不明的引數「%s」"
@@ -1002,294 +1002,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "歐拉數"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "下標數字模式 [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "上標數字模式 [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "科學記號 [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "加號 [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "減號 [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "乘號 [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "除號 [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "餘數除法"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "額外的函數"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "指數 [^ 或 **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "平方 [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "百分比 [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "階乘 [！]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "絕對值 [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "複數輻角"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "共軛複數"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "開根號 [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "平方根 [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "對數"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "自然對數"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "正弦"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "餘弦"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "正切"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "雙曲正弦"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "雙曲餘弦"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "雙曲正切"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "反正弦"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "反餘弦"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "反正切"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "反轉 [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "布林 AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "布林 OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "布林排除 OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "布林 NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "整數部分"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "小數部分"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "實數部分"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "虛數部分"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "1 的補數"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "2 的補數"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "括號開頭 [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "括號結尾 [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "計算結果"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "因數分解 [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "清除顯示 [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "復原 [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "雙倍餘額遞減折舊法"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "理財期數"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "年數總和折舊法"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "直線折舊法"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "2 進位"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "8 進位"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "10 進位"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "16 進制數字"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1297,195 +1307,195 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "四捨五入"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "下限"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "上限"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "符號函數"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "轉為"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "切換轉換單位"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "沒有復原紀錄"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "沒有取消復原紀錄"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "沒有正常數值可以儲存"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "溢位。請嘗試更大的字詞大小"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "不明的變數「%s」"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "尚未定義函數「%s」"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "不明的換算"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "算式中的符號「%s」錯誤"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "算式錯誤"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "計算中"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "需要整數才能因數分解"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "沒有正常數值可以進行移位"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "顯示的數值不是整數值"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0，1，2，3，4，5，6，7，8，9，A，B，C，D，E，F"
 
@@ -1493,63 +1503,63 @@ msgstr "0，1，2，3，4，5，6，7，8，9，A，B，C，D，E，F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "度"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "弧度"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "梯度"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "自動"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "固定的"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "科學計算"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "工程"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "顯示小數點後 %d 位數(_P)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "無法開啟求助檔案。"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1557,7 +1567,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1565,31 +1575,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Woodman Tuen <[email protected]>, 2005-06\n"
@@ -1597,113 +1607,113 @@ msgstr ""
 "趙惟倫 <[email protected]>, 2013"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "計算機(_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "模式(_M)"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "檢視(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "求助(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "基本模式(_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "進階模式(_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "財務計算模式(_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "軟體開發(_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "內容(_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "拷貝(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "貼上(_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "復原(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "取消復原(_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "偏好設定(_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "離開(_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "關於(_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "布林 AND 只能用於正整數"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "布林 OR 只能用於正整數"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "布林 XOR 只能用於正整數"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "布林 NOT 只能用於正整數"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "位移只能用在整數值"
 
@@ -1758,767 +1768,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr "正切對於角度 (n+1/2)*π (90°，270°…) 並無意義"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "反正弦不能用於超過 [-1，1] 的數值"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "反餘弦不能用於超過 [-1，1] 的數值"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "反雙曲餘弦不能用於小於 1 的數值"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s 度"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degree，degrees，deg，度"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s 弧度"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian，radians，rad，弧度"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s 梯度"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian，gradians，grad，梯度"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "秒差距"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec，parsecs，pc，秒差距"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "光年"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear，lightyears，ly，光年"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "天文單位"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au，天文單位"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "海哩"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi，海哩"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "英里"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile，miles，mi，英里"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "公里"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer，kilometers，km，kms，公里"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "鏈"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable，cables，cb，鏈"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "英噚"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom，fathoms，ftm，英噚"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "公尺"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter，meters，m，米，公尺"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "碼"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard，yards，yd，碼"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "英尺"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot，feet，ft，英尺"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "英吋"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch，inches，in，英吋"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "公分"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter，centimeters，cm，cms，公分"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "毫米"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter，millimeters，mm，毫米"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "微米"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometer，micrometers，um，微米"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "奈米"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer，nanometers，nm，奈米"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "公頃"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare，hectares，ha，公頃"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "英畝"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre，acres，英畝"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "平方公尺"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²，平方公尺"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "平方公分"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²，平方公分"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "平方毫米"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²，平方毫米"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "立方公尺"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³，立方公尺"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "加侖"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon，gallons，gal，加侖"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "公升"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre，litres，liter，liters，L，公升"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "夸脫"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart，quarts，qt，夸脫"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "品脫"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint，pints，pt，品脫"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "毫升"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre，millilitres，milliliter，milliliters，mL，cm³，毫升"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "微升"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³，μL，uL，微升"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "公噸"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonne，tonnes，公噸"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "公斤"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram，kilograms，kilogramme，kilogrammes，kg，kgs，公斤"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "鎊"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound，pounds，lb，磅"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "盎司"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce，ounces，oz，盎司"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "公克"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram，grams，gramme，grammes，g，公克"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "年"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s 年"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "year，years，年"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "天"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s 天"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "day，days，天"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "小時"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s 小時"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hour，hours，小時"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "分鐘"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s 分鐘"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute，minutes，分鐘"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "秒鐘"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "second，seconds，s，秒鐘"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "亳秒"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond，milliseconds，ms，毫秒"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "微秒"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecond，microseconds，us，μs，微秒"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "攝氏"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC，˚C，攝氏"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "華氏"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF，˚F，華氏"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "凱氏"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K，絕對溫度"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "蘭金"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR，˚R，˚Ra，蘭金"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "角"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "長度"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "區域"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "裝置"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "寬度"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "期間"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "溫度"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "貨幣"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/crh.po b/po/crh.po
index 250a2da..330f7af 100644
--- a/po/crh.po
+++ b/po/crh.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Crimean Turkish (https://www.transifex.com/mate/teams/13566/crh/)\n"
+"Language-Team: Crimean Turkish (https://app.transifex.com/mate/teams/13566/crh/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Bellek"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Tercihler"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,144 +1560,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Launchpad Contributions:\n"
 "  Reşat SABIQ https://launchpad.net/~tilde-birlik"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Körünim"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Yardım"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_İçindekiler"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopyala"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Y_apıştır"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Keri yap"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Kene _yap"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Tercihler"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Çıq"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Aqqında"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1742,767 +1752,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Santigrat"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/cs.po b/po/cs.po
index e9eaf0d..71bf0e9 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -6,22 +6,22 @@
 # Translators:
 # 6e833d5535e2fe0dd9dfa7fe5bf473f2_d78f422 <64c38a0ff10419c64e8e03d54c72b3bd_352524>, 2018
 # Lukáš Kvídera <[email protected]>, 2018
-# LiberteCzech <[email protected]>, 2018
+# LiberteCzech <[email protected]>, 2018
 # Wolfgang Ulbrich <[email protected]>, 2019
 # Stefano Karapetsas <[email protected]>, 2020
-# Michal <[email protected]>, 2020
-# ToMáš Marný, 2020
 # Lukáš Lommer <[email protected]>, 2020
 # Roman Horník <[email protected]>, 2021
+# Michal <[email protected]>, 2022
+# ToMáš Marný, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Roman Horník <[email protected]>, 2021\n"
-"Language-Team: Czech (https://www.transifex.com/mate/teams/13566/cs/)\n"
+"Last-Translator: ToMáš Marný, 2023\n"
+"Language-Team: Czech (https://app.transifex.com/mate/teams/13566/cs/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -59,7 +59,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Paměť"
 
@@ -122,7 +122,7 @@ msgstr "konstanta"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Doba úročení"
 
@@ -222,7 +222,7 @@ msgstr "Ná_klady:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Budoucí hodnota"
 
@@ -252,7 +252,7 @@ msgstr "_Pravidelná splátka:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Hrubá marže"
 
@@ -272,7 +272,7 @@ msgstr "_Marže:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pravidelná splátka"
 
@@ -298,7 +298,7 @@ msgstr "Pů_jčka:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Současná hodnota"
 
@@ -311,11 +311,11 @@ msgid ""
 msgstr ""
 "Vypočítá současnou hodnotu investice založené na sérii stejnoměrných plateb "
 "sníženou o pravidelnou úrokovou sazbu po zadaný počet platebních období v "
-"dané lhůtě."
+"dané lhůtě. "
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Úroková sazba za období"
 
@@ -326,7 +326,7 @@ msgid ""
 "future value, over the number of compounding periods. "
 msgstr ""
 "Vypočítá měsíční úrok nutný k navýšení investice ze současné hodnoty na "
-"budoucí hodnotu po zadaný počet úročných období."
+"budoucí hodnotu po zadaný počet úročných období. "
 
 #. Title of Straight-Line Depreciation dialog
 #: src/buttons-financial.ui:1262
@@ -356,7 +356,7 @@ msgstr ""
 "Vypočítává lineární odpisy dané aktivy za určité období. Lineární metoda "
 "odpisu dělí odepisovanou hodnotu rovnoměrně po celou použitelnou životnost "
 "aktiva. Použitelná životnost je počet období, typicky let, po kterou je "
-"aktivum odepisováno."
+"aktivum odepisováno. "
 
 #. Title of Sum-of-the-Years'-Digits Depreciation dialog
 #: src/buttons-financial.ui:1446
@@ -375,7 +375,7 @@ msgstr ""
 "Vypočítá hodnotu degresivního odpisu pro zadané období s použitím metody SYD"
 " (Sum of The Years' Digits). Jedná se o degresivní metodu odpisů, takže z "
 "počátku je hodnota odpisů vyšší a časem klesá.  Životnost je počet období, "
-"typicky v letech, po které je majetek odepisován."
+"typicky v letech, po které je majetek odepisován. "
 
 #. Title of Payment Period dialog
 #: src/buttons-financial.ui:1659
@@ -480,7 +480,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Vložit kód znaku"
 
@@ -530,7 +530,7 @@ msgid "64-bit"
 msgstr "64 bitů"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Předvolby"
 
@@ -591,12 +591,12 @@ msgstr ""
 " Pokud byste se chtěli dozvědět více o MATE a MATE Calc, navštivte domovskou"
 " stránku projektu."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Kalkulačka"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulačka"
 
@@ -959,12 +959,12 @@ msgstr "Venezuelský bolívar"
 msgid "South African Rand"
 msgstr "Jihoafrický rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Chyba: počet období musí být kladný"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -975,7 +975,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -992,7 +992,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1012,7 +1012,7 @@ msgstr ""
 "  --g-fatal-warnings              Všechna varování budou kritická"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1022,13 +1022,13 @@ msgstr ""
 "  -s, --solve <rovnice>         Vyřešit zadanou rovnici"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Přepínač --solve vyžaduje rovnici, která se má vyřešit"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Neznámý přepínač „%s“"
@@ -1043,294 +1043,304 @@ msgstr "Ludolfovo číslo Pí [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Eulerovo číslo"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Imaginární jednotka"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Desetinná čárka"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Režim dolního indexu [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Režim horního indexu [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Vědecký exponent [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Sčítání [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Odčítání [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Násobení [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dělení [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Zbytek po dělení"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Doplňující funkce"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Dodatečné konstanty"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Mocnina [^ nebo **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Druhá mocnina [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Procenta [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktoriál [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolutní hodnota [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argument komplexního čísla"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Komplexně sdružené číslo"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Odmocnina [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Druhá odmocnina [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmus"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Přirozený logaritmus"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangenta"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolický sinus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolický kosinus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolický tangent"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inverzní sinus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inverzní cosinus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inverzní tangens"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Převrácená hodnota"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Logická konjunkce AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Logická disjunkce OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Logická exkluzivní disjunkce XOR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Logická negace NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Celá část"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Desetinná část"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Reálná část"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginární část"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Jedničkový doplněk"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Dvojkový doplněk"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Začátek bloku [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Konec bloku [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Spočítat výsledek"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktorizovat [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Smazat displej [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Zpět [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Posun vlevo [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Posun vpravo [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Dvojitě degresivní odpis"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Platební období"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Hodnota degresivního odpisu pro období"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Lineární odpisy"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binární"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Osmičková"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Desítková"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimální"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1341,7 +1351,7 @@ msgstr[3] "_%d míst"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1351,188 +1361,188 @@ msgstr[2] "%d míst"
 msgstr[3] "%d míst"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Zaokrouhlit"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Zaokrouhlit dolů"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Zaokrouhlit nahoru"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Znaménko"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Rychlost světla"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299 792 458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Magnetická konstanta"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1,2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Permitivita vakua"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8,854 187 82×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Gravitační konstanta"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6,67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Planckova konstanta"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6,62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Elementární náboj"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1,6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Klidová hmotnost elektronu"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9,10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Klidová hmotnost protonu"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1,672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Avogadrova konstanta"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6,02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " na "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Přepnout převodní jednotky"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Žádná položka v historii změn"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Žádná položka v historii opakování změn"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Nesmyslná hodnota pro uložení"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
-msgstr "Došlo k přetečení. Zkuste větší velikost slova."
+msgstr "Došlo k přetečení. Zkuste větší velikost slova"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Neznámá proměnná „%s“"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funkce „%s“ není definovaná"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Neznámý převod"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Chybný výraz v místě symbolu „%s“"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Nesprávný výraz"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Počítá se"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Pro rozklad na součin prvočísel je zapotřebí celé číslo"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Nesmyslná hodnota pro bitový posun"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Zobrazená hodnota není celé číslo"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1540,63 +1550,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Stupně"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radiány"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Grady"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automaticky"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Pevný"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Vědecký"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Inženýrský"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Zobrazovat %d desetinných _míst"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Nezdařilo se otevření souboru nápovědy"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Dokumentační tým MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1608,7 +1618,7 @@ msgstr ""
 "Foundation; a to buď verze 2 této licence anebo (podle vlastního uvážení) "
 "kterékoliv pozdější verze."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1620,7 +1630,7 @@ msgstr ""
 "KONKRÉTNÍ ÚČEL. Více podrobností najdete přímo v licenci GNU General Public "
 "License."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1630,7 +1640,7 @@ msgstr ""
 "kalkulačkou; pokud ne, napište na: Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1639,11 +1649,11 @@ msgstr ""
 "Kalkulačka s režimy pro finance a vědu.\n"
 "Využívá GNU MPFR %s a GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "O kalkulačce"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1651,7 +1661,7 @@ msgstr ""
 "Copyright © 1986–2010 autoři GCalctool\n"
 "Copyright © 2011-2021 vývojáři MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Stanislav Brabec <[email protected]>\n"
@@ -1663,114 +1673,114 @@ msgstr ""
 "Petr Kovář <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulátor"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "Reži_m"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Zobrazit"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Nápověda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Základní"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Pokročilá"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finanční"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programátorský"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Historie"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Obsah"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopírovat"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "V_ložit"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Zpět"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Zn_ovu"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "Vymazat _historii"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "Nastavení"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Ukončit"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "O _aplikaci"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Logická konjunkce AND je definovaná pouze pro celá kladná čísla"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Logická disjunkce OR je definovaná pouze pro celá kladná čísla"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 "Logická exkluzivní disjunkce XOR je definovaná pouze pro celá kladná čísla"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Logická negace NOT je definovaná pouze pro celá kladná čísla"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Posun je možný pouze u celočíselných hodnot"
 
@@ -1798,7 +1808,7 @@ msgstr "Nultá odmocnina čísla není definovaná"
 #. negative or complex number
 #: src/mp.c:474
 msgid "Factorial is only defined for non-negative real numbers"
-msgstr "Faktoriál je definován pouze pro kladná reálná čísla."
+msgstr "Faktoriál je definován pouze pro kladná reálná čísla"
 
 #. Translators: Error displayed when attemping to do a modulus division on
 #. non-integer numbers
@@ -1817,7 +1827,7 @@ msgstr "Mocnina nuly není definovaná pro záporný exponent"
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
 msgid "The error function is only defined for real numbers"
-msgstr "Chybová funkce je defunována pouze pro reálná čísla."
+msgstr "Chybová funkce je definována pouze pro reálná čísla"
 
 #. Translators: Error displayed when zeta function value is undefined
 #: src/mp.c:632
@@ -1825,7 +1835,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "Riemannova funkce zeta je definovaná pouze pro reálná čísla ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1834,766 +1844,766 @@ msgstr ""
 "(90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inverzní sinus není definován pro hodnoty mimo interval [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Inverzní kosinus není definován pro hodnoty mimo interval [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "Arkustangenciální funkce není definovaná pro hodnoty i a -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Inverzní hyperbolický kosinus není definován pro hodnoty menší než jedna"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "Inverzní hyperbolická tangenciála není definovaná pro hodnoty mimo (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s °"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "°,stupeň,stupně,stupňů"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s rad"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "rad,radián,radiány,radiánů"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s grad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "grad,gradián,gradiány,gradiánů"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parseky"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "pc,parsek,parseky,parseků"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Světelné roky"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ly,světelný rok,světelné roky,světelných roků,světelných let"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomické jednotky"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s AU"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 "AU,au,astronomická jednotka,astronomické jednotky,astronomických jednotek"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Námořní míle"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s NM"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "NM,Nm,nmi,námořní míle,námořních mil"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Míle"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s M"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "M,mi,míle,mil"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometry"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "km,kilometr,kilometry,kilometrů"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kabely"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cbl"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cbl,cb,kabel,kabely,kabelů"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Sáhy"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s fth"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fth,ftm,fm,sáh,sáhy,sáhů,fathom,fathomy,fathomů"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metry"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "m,metr,metry,metrů"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yardy"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yd,yard,yardy,yardů"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Stopy"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ′"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "′,',ft,stopa,stopy,stop"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Palce"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s ″"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "″,\",in,palec,palce,palců,coul,couly,coulů"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetry"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "cm,centimetr,centimetry,centimetrů"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetry"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "mm,milimetr,milimetry,milimetrů"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometry"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "μm,um,mikrometr,mikrometry,mikrometrů"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometry"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s NM"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nm,nanometr,nanometry,nanometrů"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektary"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "ha,hektar,hektary,hektarů"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Akry"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s ac"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "ac,akr,akry,akrů,acre"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metry čtverečné"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²,m2,metr čtvereční,metry čtvereční,metrů čtverečních"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centimetry čtverečné"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 "cm²,cm2,centimetr čtvereční,centimetry čtvereční,centimetrů čtverečních"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milimetry čtverečné"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²,mm2,milimetr čtvereční,milimetry čtvereční,milimetrů čtverečních"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metry krychlové"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 "m³,m3,metr krychlový,metry krychlové,metrů krychlových,metr kubický,metry "
 "kubické,metrů kubických"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galony"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gal,galon,galony,galonů"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litry"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "l,litr,litry,litrů"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Kvarty"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "gt,kvarta,kvarty,kvart"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pinty"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pt,pinta,pinty,pint"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitry"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "ml,cm³,mililitr,mililitry,mililitrů"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikrolitry"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μl"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μl,ul,mikrolitr,mikrolitry,mikrolitrů"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tuny"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "t,tuna,tuny,tun"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramy"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kg,kilogram,kilogramy,kilogramů,kilo,kila,kil"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Libry"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "lb,libra,libry,liber"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Unce"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "oz,unce,uncí"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramy"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "g,gram,gramy,gramů"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Roky"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s r"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "r,rok,roky,roků,let"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dny"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s d"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "d,den,dny,dnů,dní"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Hodiny"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s h"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "h,hod,hodina,hodiny,hodin"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minuty"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s min"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "min,minuta,minuty,minut"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekundy"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "s,sekunda,sekundy,sekund,vteřina,vteřiny,vteřin"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisekundy"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "ms,milisekunda,milisekundy,milisekund"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekundy"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "μs,us,mikrosekunda,mikrosekundy,mikrosekund"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "stupně Celsia"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ℃"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "℃,°C,stupeň Celsia,stupně Celsia,stupňů Celsia"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Stupně Farenheita"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ℉"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "℉,°F,stupeň Farenheita,stupně Farenheita,stupňů Farenheita"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "stupně Kelvina"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Stupeň Rankina"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "°R,˚Ra,stupeň Rankina,stupně Rankina,stupňů Rankina"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Úhel"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Délka"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Plocha"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Hlasitost"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Hmotnost"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Čas"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Teplota"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Měna"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/cy.po b/po/cy.po
index f8aa94b..0843a57 100644
--- a/po/cy.po
+++ b/po/cy.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: ciaran, 2020\n"
-"Language-Team: Welsh (https://www.transifex.com/mate/teams/13566/cy/)\n"
+"Language-Team: Welsh (https://app.transifex.com/mate/teams/13566/cy/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Cof"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -211,7 +211,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -239,7 +239,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -281,7 +281,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -498,7 +498,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Hoffterau"
 
@@ -553,12 +553,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Cyfrifiannell"
 
@@ -918,12 +918,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -932,7 +932,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -944,7 +944,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -957,7 +957,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -965,13 +965,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -986,294 +986,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1284,7 +1294,7 @@ msgstr[3] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1294,188 +1304,188 @@ msgstr[2] ""
 msgstr[3] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Dim gwerth synhwyrol i'w storio"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Mynegiad wedi'i gam-ffurfio"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1483,63 +1493,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Awtomatig"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Gwyddonol"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1547,7 +1557,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1555,144 +1565,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Launchpad Contributions:\n"
 "  Cadan ap Tomos https://launchpad.net/~cadz123"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Cyfrifiannell"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "G_olwg"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Cymorth"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Sylfaenol"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Uwch"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Ariannol"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Cynnwys"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copïo"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Gludo"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Dadwneud"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Ail-wneud"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Hoffterau"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Gadael"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Ynghylch"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1747,767 +1757,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Cyfrol"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/da.po b/po/da.po
index 30b8402..4a74a72 100644
--- a/po/da.po
+++ b/po/da.po
@@ -5,18 +5,18 @@
 # 
 # Translators:
 # Kaj Printz Madsen <[email protected]>, 2018
-# Aputsiak Niels Janussen <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2020
-# Joe Hansen <[email protected]>, 2021
+# Aputsiak Niels Janussen <[email protected]>, 2022
+# Joe Hansen <[email protected]>, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Joe Hansen <[email protected]>, 2021\n"
-"Language-Team: Danish (https://www.transifex.com/mate/teams/13566/da/)\n"
+"Last-Translator: Joe Hansen <[email protected]>, 2023\n"
+"Language-Team: Danish (https://app.transifex.com/mate/teams/13566/da/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -54,7 +54,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Hukommelse"
 
@@ -117,7 +117,7 @@ msgstr "konst"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Rentetilskrivningstermin"
 
@@ -218,7 +218,7 @@ msgstr "_Pris:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Fremtidig værdi"
 
@@ -249,7 +249,7 @@ msgstr "_Periodisk betaling:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Margen for bruttofortjeneste"
 
@@ -269,7 +269,7 @@ msgstr "_Margen:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodisk betaling"
 
@@ -295,7 +295,7 @@ msgstr "_Hovedstol:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Nuværende værdi"
 
@@ -312,7 +312,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodisk rentesats"
 
@@ -480,7 +480,7 @@ msgstr "Bpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Indsæt tegnkode"
 
@@ -530,7 +530,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Præferencer"
 
@@ -591,12 +591,12 @@ msgstr ""
 "Hvis du ønsker at vide mere om MATE og MATE Calc, så besøg projektets "
 "hjemmeside."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Mate-lommeregner"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Lommeregner"
 
@@ -958,12 +958,12 @@ msgstr "Venezuelanske bolívarer"
 msgid "South African Rand"
 msgstr "Sydafrikanske rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Fejl: Antallet af perioder skal være positivt"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -974,7 +974,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -991,7 +991,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1013,7 +1013,7 @@ msgstr ""
 "  --g-fatal-warnings              Gør alle advarsler fatale"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1023,13 +1023,13 @@ msgstr ""
 "  -s, --solve <ligning>           Løs den givne ligning"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argumentet --solve kræver en ligning, der skal løses"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Ukendt argument »%s«"
@@ -1044,294 +1044,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Eulers tal"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Imaginær enhed"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Decimaltegn"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Sænket skrifttilstand [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Hævet skrifttilstand [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Videnskabelig eksponent [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Læg til [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Træk fra [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplicer [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Divider [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulo-division"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Flere funktioner"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Yderligere konstanter"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Eksponent [^ eller **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kvadrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Procent [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Fakultet [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolut værdi [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Komplekst argument"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Kompleks konjugeret"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Rod [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Kvadratrod [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritme"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Naturlig logaritme"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sine"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sinushyperbolsk"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosinushyperbolsk"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangenshyperbolsk"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Omvendt sinus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Omvendt cosinus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Omvendt tangens"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Reciprok [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolesk OG"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolesk ELLER"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolesk eksklusiv ELLER"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolesk IKKE"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Heltalsdel"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Decimaldel"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Realdel"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginærdel"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "1'er-komplement"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "2'er-komplement"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Start gruppe [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Afslut gruppe [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Beregn resultat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktoriser [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Ryd skærm [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Fortryd [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Skift Venstre [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Skift Højre [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Dobbeltmindskende afskrivning"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Finansiel term"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Summen af årenes cifre-afskrivning"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Retlinjet afskrivning"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binær"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1340,7 +1350,7 @@ msgstr[1] "_%d bit"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1348,188 +1358,188 @@ msgstr[0] "%d bit"
 msgstr[1] "%d bit"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Afrund"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Gulv"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Loft"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Fortegn"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Lysets hastighed"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299..792.458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Magnetisk konstant"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1,2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Elektrisk konstant"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8,85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Newtons gravitationskonstant"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6,67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Planckkonstant"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6,62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Elementær ladning"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1,6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Elektronmasse"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9,10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Protonmasse"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1,672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Avogadokonstant"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6,02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " i "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Byt om på konverteringsenheder"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Ingen fortrydelseshistorik"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Ingen fortrydelseshistorik"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Ingen gyldig værdi til at lagre"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Overløb. Prøv at øge word-størrelsen"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Ukendt variabel »%s«"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funktionen »%s« er ikke defineret"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Ukendt konvertering"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Misdannet udtryk ved symbolet »%s«"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Misdannet udtryk"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Udregner"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Kræver et heltal at faktorisere"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Ingen gyldig værdi til at udføre bitvis-skift"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Den viste værdi er ikke et heltal"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1537,63 +1547,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grader"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianer"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Nygrader"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatisk"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fast"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Videnskabelig"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingeniør"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Vis %d _decimaler"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Kunne ikke åbne hjælpfil"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE-dokumentationsholdet"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1605,7 +1615,7 @@ msgstr ""
 "Free Software Foundation; enten version 2 af licensen, eller (hvis du ønsker"
 " det) enhver senere version."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1616,7 +1626,7 @@ msgstr ""
 "NOGEN GARANTI, ikke engang underforstået garanti om at det er SALGBART eller"
 " PASSER TIL ET BESTEMT FORMÅL. Se GNU General Public License for detaljer."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1626,7 +1636,7 @@ msgstr ""
 "lommeregner. Hvis du ikke har det, kan du skrive til Free Software "
 "Foundation, Inc. 51 Franklin Street, 5. sal, Boston, MA 02110-1301 USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1635,11 +1645,11 @@ msgstr ""
 "Lommeregner med finansiel og videnskabelig tilstand.\n"
 "Bruger GNU MPFR %s og GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Om MATE-lommeregner"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1647,122 +1657,122 @@ msgstr ""
 "Ophavsret 1986–2010 GCalctool-forfatterne\n"
 "Ophavsret 2011–2021 MATE-udviklerne"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
-"\"Joe Hansen, 2012, 2013, 2014, 2015, 2016, 2017, 2018.\\n\"\n"
-"\"\\n\"\n"
-"\"Dansk-gruppen <[email protected]>\\n\"\n"
-"\"Mere info: http://www.dansk-gruppen.dk\""
+"Joe Hansen 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021.\n"
+"\n"
+"Dansk-gruppen <[email protected]>\n"
+"Mere info: http://www.dansk-gruppen.dk"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Lommeregner"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Tilstand"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vis"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Hjælp"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Basalt"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avanceret"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finansiel"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmering"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Historik"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Indhold"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopier"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Indsæt"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Fortryd"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Gendan"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Ryd historik"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Præferencer"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Afslut"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Om"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Boolesk OG er kun defineret for naturlige tal"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Boolesk ELLER er kun defineret for naturlige tal"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolesk XOR er kun defineret for naturlige tal"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Boolesk IKKE er kun defineret for naturlige tal"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Bitvis forskydning er kun mulig på heltalsværdier"
 
@@ -1817,7 +1827,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "Riemann zeta-funktionen er kun defineret for reelle tal ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1826,760 +1836,760 @@ msgstr ""
 "(90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Arcussinus er ikke defineret for værdier uden for [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Arcuscosinus er ikke defineret for værdier uden for [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "Arktangent-funktionen er udefineret for værdierne i og -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "Areacosinushyperbolsk er ikke defineret for værdier mindre end et"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr "Invers hyperbolsk tangens er udefineret for værdier uden for (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s grader"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grad,grader,gr"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianer"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radianer,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradianer"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradianer,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsec"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsec,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Lysår"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lysår,lysår,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomiske enheder"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Sømil"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s sm"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "sm"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Miles"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometer"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometer,km,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kabellængder"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s kl"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabellænge,kabellængder,kl"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Favne"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s favne"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "favn,favne,favne"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Meter"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meter,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yard"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yard,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Fod"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s fod"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "fod,fod,fod"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Tommer"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s \""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "tomme,tommer,\""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimeter"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimeter,cm,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimeter"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,millimeter,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometer"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometer,mikrometers,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometer"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s sm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometer,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektar"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektar,hektar,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acre"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acre"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acre"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Kvadratmeter"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Kvadratcentimeter"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Kvadratmillimeter"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubikmeter"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallons"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liter"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liter,liter,liter,liter,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quart"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quart,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pint"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Milliliter"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "milliliter,milliliter,milliliter,milliliter,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikroliter"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Ton"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ton,ton"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogram"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilogram,kilogram,kilogram,kg,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pund"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pund,pund,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ounce"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounce,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gram"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,gram,gram,gram,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "År"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s år"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "år,år"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dage"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dage"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dag,dage"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Timer"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s timer"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "time,timer"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutter"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutter"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minut,minutter"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekunder"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekund,sekunder,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisekunder"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisekund,millisekunder,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekunder"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekund,mikrosekunder,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "gradC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Fahrenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "gradR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Vinkel"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Længde"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Areal"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Lydstyrke"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Vægt"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Varighed"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatur"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s %%s"
diff --git a/po/de.po b/po/de.po
index f2cdd92..7d5d091 100644
--- a/po/de.po
+++ b/po/de.po
@@ -7,24 +7,24 @@
 # nautilusx, 2018
 # Xpistian <[email protected]>, 2018
 # guyfawkes <[email protected]>, 2018
-# Wolfgang Ulbrich <[email protected]>, 2019
 # Julian Rüger <[email protected]>, 2019
-# Stefano Karapetsas <[email protected]>, 2019
 # Paul Zillmann <[email protected]>, 2019
 # Ettore Atalan <[email protected]>, 2019
 # Tobias Bannert <[email protected]>, 2020
 # clefebvre <[email protected]>, 2020
 # Michael Hartmann, 2020
 # Winfried Frisch <[email protected]>, 2020
+# Stefano Karapetsas <[email protected]>, 2022
+# Wolfgang Ulbrich <[email protected]>, 2024
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Winfried Frisch <[email protected]>, 2020\n"
-"Language-Team: German (https://www.transifex.com/mate/teams/13566/de/)\n"
+"Last-Translator: Wolfgang Ulbrich <[email protected]>, 2024\n"
+"Language-Team: German (https://app.transifex.com/mate/teams/13566/de/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -62,7 +62,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Arbeitsspeicher"
 
@@ -125,7 +125,7 @@ msgstr "Konstante"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Wachstumsdauer"
 
@@ -227,7 +227,7 @@ msgstr "_Kosten:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Zukünftiger Wert"
 
@@ -258,7 +258,7 @@ msgstr "_Periodische Zahlung"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Bruttogewinnspanne"
 
@@ -278,7 +278,7 @@ msgstr "_Gewinnspanne:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodische Zahlung"
 
@@ -304,7 +304,7 @@ msgstr "_Grundkapital:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Barwert"
 
@@ -321,7 +321,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodischer Zinssatz"
 
@@ -490,7 +490,7 @@ msgstr "Bgs"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Zeichen einfügen"
 
@@ -540,7 +540,7 @@ msgid "64-bit"
 msgstr "64 Bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Einstellungen"
 
@@ -602,12 +602,12 @@ msgstr ""
 "Arbeitsumgebung. Wenn Sie mehr über MATE und MATE-Calc erfahren möchten, "
 "besuchen Sie bitte die Internetseite des Projektes."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE-Taschenrechner"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Taschenrechner"
 
@@ -972,12 +972,12 @@ msgstr "Venezolanische Bolívar"
 msgid "South African Rand"
 msgstr "Südafrikanische Rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Fehler: Die Zahl der Perioden muss positiv sein"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -988,7 +988,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -1005,7 +1005,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1025,7 +1025,7 @@ msgstr ""
 "  --g-fatal-warnings              All Warnungen werden zu fatalen"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1035,13 +1035,13 @@ msgstr ""
 "  -s, --solve <Gleichung>          Die gegebene Gleichung lösen"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Das Argument »--solve« erfordert eine zu lösende Gleichung"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Unbekanntes Argument »%s«"
@@ -1056,294 +1056,304 @@ msgstr "Pi [Strg+P]"
 msgid "Euler’s Number"
 msgstr "Eulersche Zahl"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Dezimalpunkt"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Modus für Tiefstellung [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Modus für Hochstellung [Strg]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Wissenschaftlicher Exponent [Strg+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Addieren [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Subtrahieren [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplizieren [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dividieren [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulo-Division"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Zusätzliche Funktionen"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Zusätzliche Konstanten"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponent [^ oder **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Quadrat [Strg+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Prozentsatz [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Fakultät [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absoluter Wert [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "komplexes Argument"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Komplexe Konjugation"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Wurzel [Strg+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Quadratwurzel [Strg+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logarithmus"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Natürlicher Logarithmus"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangens"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolischer Sinus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolischer Cosinus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolischer Tangens"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Umgedrehtes Sinus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Umgedrehtes Cosinus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Umgedrehtes Tangens"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Kehrwert [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolesches UND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolesches ODER"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolesches exklusives ODER"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolesches NICHT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Ganzzahliger Anteil"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Gebrochener Anteil"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Reeller Teil"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginärer Teil"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Einerkomplement"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Zweierkomplement"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Block öffnen [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Block schließen [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Ergebnis berechnen"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktorisieren [Strg+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Die Anzeige löschen [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Rückgängig [Strg+R]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Nach links verschieben [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Nach rechts verschieben [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Degressive Doppelratenabschreibung"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Finanztechnischer Begriff"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Sum-of-the-Years-Digits-Abschreibung"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Lineare Abschreibung"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binär"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Dezimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadezimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1352,7 +1362,7 @@ msgstr[1] "_%d Stellen"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1360,188 +1370,188 @@ msgstr[0] "%d Stelle"
 msgstr[1] "%d Stellen"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Runden"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Abrunden"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Aufrunden"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Vorzeichen"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Lichtgeschwindigkeit"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Magnetische Feldkonstante"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Elektrische Feldkonstante"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Newtonsche Gravitationskonstante"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Planck-Konstante"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Elementarladung"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Elektronenmasse"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Protonenmasse"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Avogadro-Konstante"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Umrechnungseinheiten vertauschen"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Keine Rückgängig-Chronik"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Keine Rückgängig-Chronik"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Kein vernünftiger Wert zum Speichern"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Überlauf. Versuchen Sie eine höhere Wortlänge zu verwenden"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Unbekannte Variable »%s«"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Die Funktion »%s« ist nicht definiert"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Unbekannte Umrechnung"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Fehlerhafter Ausdruck bei Token »%s«"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Fehlerhafter Ausdruck"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Berechnung läuft"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Es können nur Ganzzahlen faktorisiert werden"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Kein vernünftiger Wert zum bitweisen Verschieben"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Angezeigter Wert ist keine Ganzzahl"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1549,63 +1559,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grad"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "im Bogenmaß"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "gon"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatisch"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fest"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Wissenschaftlich"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingenieurwissenschaftlich"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d _Nachkommastellen anzeigen"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Hilfedatei kann nicht geöffnet werden"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE-Dokumentationsteam"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1613,7 +1623,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1621,31 +1631,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
-msgstr ""
+msgstr "Taschenrechner mit Finanz- %s und Wissenschaftsmodi %s."
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Über MATE-Taschenrechner"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Christian Meyer\n"
@@ -1657,113 +1667,113 @@ msgstr ""
 "Tobias Bannert"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Taschenrechner"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modus"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Darstellung"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Hilfe"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Basis"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Erweitert"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finanztechnisch"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmierung"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Inhalt"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopieren"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "E_infügen"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Rückgängig"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Wiederherstellen"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Einstellungen"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Beenden"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Über"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Boolesches UND ist nur für positive Ganzzahlen definiert"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Boolesches ODER ist nur für positive Ganzzahlen definiert"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolesches exklusives ODER ist nur für positive Ganzzahlen definiert"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Boolesches NICHT ist nur für positive Ganzzahlen definiert"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Verschiebung ist nur mit Ganzzahlen möglich"
 
@@ -1819,7 +1829,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1828,27 +1838,27 @@ msgstr ""
 "π∕2 (90°) sind"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 "Inverser Sinus ist nicht für Werte außerhalb des Intervalls [-1, 1] "
 "definiert"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 "Inverser Kosinus ist nicht für Werte außerhalb des Intervalls [-1, 1] "
 "definiert"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Inverser hyperbolischer Kosinus ist nicht für Werte kleiner als eins "
@@ -1856,738 +1866,738 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s Grad"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "Grad,Grad,Grad"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s im Bogenmaß"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "Radiant,Radiant,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gon"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "Gon,Gon,gon"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "Parsec,Parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Lichtjahre"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s Lj"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "Lichtjahr,Lichtjahre,Lj"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomische Einheiten"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Seemeilen"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s sm"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "sm"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Meilen"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "Meile,Meilen,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometer"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "Kilometer,Kilometer,km,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kabel"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "Kabel,Kabel,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Klafter"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "Fathom,Fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Meter"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "Meter,Meter,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yard"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "Yard,Yard,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Fuß"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "Fuß,Fuß,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Zoll"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "Zoll,Zoll,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Zentimeter"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "Zentimeter,Zentimeter,cm,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimeter"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "Millimeter,Millimeter,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometer"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "Mikrometer,Mikrometer,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometer"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "Nanometer,Nanometer,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektar"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "Hektar,Hektar,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acre"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s Acre"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "Acre,Acre"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Quadratmeter"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Quadratzentimeter"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Quadratmillimeter"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubikmeter"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallonen"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "Gallone,Gallonen,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liter"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "Liter,Liter,Liter,Liter,l"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarts"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "Quart,Quarten,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pinten"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "Pinte,Pinten,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Milliliter"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "Milliliter,Milliliter,Milliliter,Milliliter,ml,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikroliter"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μl"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μl,ul"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonnen"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "Tonne,Tonnen"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramm"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "Kilogramm,Kilogramm,Kilogramm,Kilogramm,kg,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pfund"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "Pfund,Pfund,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Unzen"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "Unze,Unzen,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramm"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "Gramm,Gramm,Gramm,Gramm,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Jahre"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s Jahre"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "Jahr,Jahre"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Tage"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s Tage"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "Tag,Tage"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Stunden"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s Stunden"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "Stunde,Stunden"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minuten"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s Minuten"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "Minute,Minuten"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekunden"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "Sekunde,Sekunden,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisekunden"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "Millisekunde,Millisekunden,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekunden"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "Mikrosekunde,Mikrosekunden,us,µs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Grad Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "Grad Celsius,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "Grad Fahrenheit,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "k"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "Grad Rankine,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Winkel"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Länge"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Fläche"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volumen"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Gewicht"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Dauer"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatur"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Währung"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/dz.po b/po/dz.po
index e8b09cf..9bc2571 100644
--- a/po/dz.po
+++ b/po/dz.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Dzongkha (https://www.transifex.com/mate/teams/13566/dz/)\n"
+"Language-Team: Dzongkha (https://app.transifex.com/mate/teams/13566/dz/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "དྲན་ཚད།"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "དགའ་གདམ་ཚུ།"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "རྩིས་འཕྲུལ།"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "བསྡོམས་ [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "ཕབ་ [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "བསྒྱུར་རྩིས་ [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "བགོ་  [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "བརྒྱ་ཆ་  [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1280,195 +1290,195 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "འབད་ཤོལ་གྱི་ལོ་རྒྱུས་མིན་ནུག་ "
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "གསོག་འཇོག་འབད་ནིའི་ སེན་བེ་ལུ་མིན་འདུག"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "བཟོ་བསྒྱུར་བའི་གསལ་བརྗོད།"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1476,63 +1486,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "ཚན་རིག་གི"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1540,7 +1550,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1548,31 +1558,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "ཨའི་ཌི་ཨར་སི་གི་མ་དངུལ་རྒྱབ་སྐྱོར་ཐོག་ལས་ བརྡ་དོན་འཕྲུལ་རིག་ལས་ཁུངས་ནང་ "
@@ -1580,113 +1590,113 @@ msgstr ""
 "<[email protected]>/<[email protected]>(_c)"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "རྩིས་འཕྲུལ། (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "མཐོང་སྣང་།(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "གྲོགས་རམ།(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "གཞི་རྩ། (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "མཐོ་རིམ་ཅན། (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "དངུལ་འབྲེལ། (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "ནང་དོན།(_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "འདྲ་བཤུས།(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "སྦྱར།(_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "་འབད་བཤོལ།(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "ལོག་འབད།(_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "དགའ་གདམ་ཚུ།(_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "སྤངས།  (_Q)།"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "སྐོར་ལས།(_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1741,767 +1751,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ཨིན་ཅེསི་"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "མི་ལི་མི་ཊརསི་"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "སེལ་ཤི་ཡཱསི།"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "ཀེལ་བིན།"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "སྦུང་ཚད།"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/el.po b/po/el.po
index 0cdca9c..c6824d1 100644
--- a/po/el.po
+++ b/po/el.po
@@ -14,16 +14,16 @@
 # Wolfgang Ulbrich <[email protected]>, 2019
 # TheDimitris15, 2019
 # Stefano Karapetsas <[email protected]>, 2020
-# thunk <[email protected]>, 2020
+# thunk <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: thunk <[email protected]>, 2020\n"
-"Language-Team: Greek (https://www.transifex.com/mate/teams/13566/el/)\n"
+"Last-Translator: thunk <[email protected]>, 2022\n"
+"Language-Team: Greek (https://app.transifex.com/mate/teams/13566/el/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -61,7 +61,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Μνήμη"
 
@@ -124,7 +124,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Διάρκεια ανατοκισμού"
 
@@ -225,7 +225,7 @@ msgstr "_Κόστος:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Μελλοντική αξία"
 
@@ -256,7 +256,7 @@ msgstr "_Περιοδική πληρωμή:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Μικτό περιθώριο κέρδους"
 
@@ -276,7 +276,7 @@ msgstr "Περι_θώριο:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Περιοδική πληρωμή"
 
@@ -302,7 +302,7 @@ msgstr "Κύρ_ια:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Τρέχουσα αξία"
 
@@ -319,7 +319,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Περιοδικό επιτόκιο"
 
@@ -488,7 +488,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Εισαγωγή κωδικού χαρακτήρα"
 
@@ -538,7 +538,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Προτιμήσεις"
 
@@ -593,12 +593,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Αριθμομηχανή MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Αριθμομηχανή"
 
@@ -963,12 +963,12 @@ msgstr "Μπολιβάρ Βενεζουέλας"
 msgid "South African Rand"
 msgstr "Ραντ Νότιας Αφρικής"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Σφάλμα: ο αριθμός των περιόδων πρέπει να είναι θετικός"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -979,7 +979,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -996,7 +996,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1016,7 +1016,7 @@ msgstr ""
 "  --g-fatal-warnings              Να είναι όλες οι προειδοποιήσεις μοιραίες"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1026,13 +1026,13 @@ msgstr ""
 "  -s, --solve <equation>          Επίλυση της δοσμένης εξίσωσης"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Το όρισμα --solve πρέπει να ακολουθείται από μία εξίσωση προς επίλυση"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Άγνωστο όρισμα '%s'"
@@ -1047,294 +1047,304 @@ msgstr "π [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Αριθμός Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Δεκαδικό ψηφίο"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Λειτουργία δείκτη [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Λειτουργία εκθέτη [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Εκθετικός αριθμός [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Πρόσθεση [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Αφαίρεση [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Πολλαπλασιασμός [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Διαίρεση [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Υπόλοιπο διαίρεσης ακεραίων"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Επιπλέον συναρτήσεις"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Δύναμη [^ ή **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Τετράγωνο [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Ποσοστό [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Παραγοντικό [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Απόλυτη τιμή [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Όρισμα μιγαδικού"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Συζυγής μιγαδικός"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Ρίζα [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Τετραγωνική ρίζα [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Λογάριθμος"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Φυσικός λογάριθμος"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Ημίτονο"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Συνημίτονο"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Εφαπτομένη"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Υπερβολικό ημίτονο"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Υπερβολικό συνημίτονο"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Υπερβολική εφαπτομένη"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Αντίστροφο Ημίτονο"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Αντίστροφο Συνημίτονο"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Αντίστροφη Εφαπτομένη"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Αντίστροφο [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Λογικό AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Λογικό OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Λογικό αποκλειστικό OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Λογικό NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Ακέραιο μέρος"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Κλασματικό μέρος"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Πραγματικό μέρος"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Φανταστικό μέρος"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Συμπλήρωμα ως προς 1"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Συμπλήρωμα ως προς 2"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Αρχή ομάδας [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Τέλος ομάδας [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Υπολογισμός αποτελέσματος"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Παραγοντοποίηση [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Εκκαθάριση οθόνης [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Αναίρεση [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Μετατόπιση αριστερά [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Μετατόπιση δεξιά [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Φθίνουσα απόσβεση διπλάσιου ρυθμού"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Οικονομική περίοδος"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Απόσβεση με συντελεστή τα έτη ζωής"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Σταθερή απόσβεση"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Δυαδική"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Οκταδική"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Δεκαδική"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Δεκαεξαδική"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1343,7 +1353,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1351,188 +1361,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Στρογγυλοποίηση προς τον πλησιέστερο ακέραιο"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Στρογγυλοποίηση προς τα κάτω"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Στρογγυλοποίηση προς τα πάνω"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Πρόσημο"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " σε "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Αλλαγή μονάδων μετατροπής"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Δεν υπάρχει ιστορικό αναίρεσης"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Δεν υπάρχει ιστορικό ενεργειών για επνάληψη"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Δε δόθηκε θεμιτή τιμή για αποθήκευση"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Υπερχείλιση. Δοκιμάστε να επιλέξετε μεγαλύτερο μήκος λέξης"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Άγνωστη μεταβλητή '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Η συνάρτηση '%s' δεν έχει οριστεί"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Άγνωστη μετατροπή"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Λανθασμένη διατύπωση έκφρασης στο αναγνωριστικό '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Λανθασμένη διατύπωση έκφρασης"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Υπολογισμός"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Απαιτείται ακέραιος για την παραγοντοποίηση"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Δε δόθηκε θεμιτή τιμή για τη μετατόπιση κατά bit."
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Η εμφανιζόμενη τιμή δεν είναι ακέραια"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1540,63 +1550,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Μοίρες"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Ακτίνια"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Βαθμοί"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Αυτόματη"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Σταθερή"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Επιστημονική"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Τεχνολογική"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Εμφάνιση %d δεκαδικών _ψηφίων"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Αδύνατο το άνοιγμα του αρχείου βοήθειας"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Ομάδα τεκμηρίωσης MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1604,7 +1614,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1612,31 +1622,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Ελληνική μεταφραστική ομάδα MATE\n"
@@ -1645,113 +1655,113 @@ msgstr ""
 "Για περισσότερες πληροφορίες, επισκεφθείτε την σελίδα http://www.mate.gr/"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Αριθμομηχανή"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Λειτουργία"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Προβολή"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Βοήθεια"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Βασική"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "Π_ροχωρημένη"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "Ε_μπορική"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Προγραμματιστική"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Περιεχόμενα"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Αντιγραφή"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Επι_κόλληση"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Αναίρεση"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Ε_πανάληψη"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Προτιμήσεις"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Έξοδος"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "Πε_ρί"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Το λογικό AND ορίζεται μόνο για θετικούς ακέραιους"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Το λογικό OR ορίζεται μόνο για θετικούς ακέραιους"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Το λογικό XOR ορίζεται μόνο για θετικούς ακέραιους"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Το λογικό NOT ορίζεται μόνο για θετικούς ακέραιους"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Η μετατόπιση επιτρέπεται μόνο για θετικές τιμές"
 
@@ -1806,7 +1816,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1814,23 +1824,23 @@ msgstr ""
 "Η εφαπτομένη δεν ορίζεται για γωνίες πολλαπλάσιες του απ + π∕2 (α180°+90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Το αντίστροφο ημίτονο δεν ορίζεται για τιμές έξω από το [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Το αντίστροφο συνημίτονο δεν ορίζεται για τιμές πέρα από το [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Το αντίστροφο υπερβολικό συνημίτονο δεν ορίζεται για τιμές μικρότερες ή ίσες"
@@ -1838,738 +1848,738 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s Μοίρες"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "μοίρα,μοίρες,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s ακτίνια"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "ακτίνιο,ακτίνια,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s βαθμοί"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "βαθμός,βαθμοί,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsec"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Έτη φωτός"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "έτος φωτός,έτη φωτός,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Αστρονομικές Μονάδες (AU)"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Ναυτικά μίλια"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Μίλια"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s μι"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "μίλι,μίλια,μι"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Χιλιόμετρα"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "χιλιόμετρο,χιλιόμετρα,km,χλμ"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Καλώδια"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Οργιές"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "οργιά,οργιές,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Μέτρα"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "μέτρο,μέτρα,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Γιάρδες"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "γιάρδα,γιάρδες,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Πόδια"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "πόδι,πόδια,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Ίντσες"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "ίντσα,ίντσες,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Εκατοστά"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "εκατοσστό,εκατοστά,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Χιλιοστά"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "χιλιοστό,χιλιοστά,mm\\"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Μικρόμετρα"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "μικρόμετρο,μικρόμετρα,μm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Νανόμετρα"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s νμ"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "νανόμετρο,νανόμετρα,νμ"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Εκτάρια"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "εκτάριο,εκτάρια,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acre"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Τετραγωνικά μέτρα"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Τετραγωνικά εκατοστά"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Τετραγωνικά χιλιοστά"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Κυβικά μέτρα"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Γαλόνια"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "γαλόνι,γαλόνια,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Λίτρα"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "λίτρο,λίτρα,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarts"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pints"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Χιλιοστόλιτρα"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "χιλιοστόλιτρο,χιλιοστόλιτρα,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Μικρόλιτρα"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Τόνοι"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "τόνος,τόνοι"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Κιλά"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "κιλό,κιλά,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Λίβρες"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "λίβρα,λίβρες,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ουγκιές"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ουγγία,ουγιές,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Γραμμάρια"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "γραμμάριο,γραμμάρια,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Έτη"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s έτη"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "έτος,έτη"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Ημέρες"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ημέρες"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "ημέρα,ημέρες"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Ώρες"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ώρες"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ώρα,ώρες"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Λεπτά"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s λεπτά"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "λεπτό,λεπτά"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Δευτερόλεπτα"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "δευτερόλεπτο,δευτερόλεπτα,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Χιλιοστά δευτερολέπτου"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond,milliseconds,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microseconds"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "μικροδευτερόλεπτο,μικροδευτερόλεπτα,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s˚Κελσίου"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "βαθμοί κελσίου,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Φαρενάιτ"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s˚Φαρενάιτ"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "βαθμοί φαρενάιτ,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s Κέλβιν"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Γωνία"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Μήκος"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Εμβαδά"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Ένταση"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Βάρος"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Διάρκεια"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Θερμοκρασία"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Νόμισμα"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/en_AU.po b/po/en_AU.po
index 1d26d0d..b13be44 100644
--- a/po/en_AU.po
+++ b/po/en_AU.po
@@ -4,16 +4,16 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Michael Findlay <[email protected]>, 2020
+# Michael Findlay <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Michael Findlay <[email protected]>, 2020\n"
-"Language-Team: English (Australia) (https://www.transifex.com/mate/teams/13566/en_AU/)\n"
+"Last-Translator: Michael Findlay <[email protected]>, 2022\n"
+"Language-Team: English (Australia) (https://app.transifex.com/mate/teams/13566/en_AU/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memory"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Compounding Term"
 
@@ -215,7 +215,7 @@ msgstr "C_ost:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Future Value"
 
@@ -246,7 +246,7 @@ msgstr "_Periodic Payment:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Gross Profit Margin"
 
@@ -266,7 +266,7 @@ msgstr "_Margin:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodic Payment"
 
@@ -292,7 +292,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Present Value"
 
@@ -309,7 +309,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodic Interest Rate"
 
@@ -476,7 +476,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Insert Character Code"
 
@@ -526,7 +526,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferences"
 
@@ -581,12 +581,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Calculator"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculator"
 
@@ -948,12 +948,12 @@ msgstr "Venezuelan Bolívar"
 msgid "South African Rand"
 msgstr "South African Rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Error: the number of periods must be positive"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -964,7 +964,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -981,7 +981,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1001,7 +1001,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1011,13 +1011,13 @@ msgstr ""
 "  -s, --solve <equation>          Solve the given equation"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument --solve requires an equation to solve"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Unknown argument '%s'"
@@ -1032,294 +1032,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Euler’s Number"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Decimal point"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Subscript mode [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Superscript mode [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Scientific exponent [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Add [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Subtract [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiply [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Divide [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulus divide"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Additional Functions"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponent [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Square [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentage [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Complex argument"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Complex conjugate"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Root [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Square root [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logarithm"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Natural Logarithm"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sine"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosine"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolic Sine"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolic Cosine"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolic Tangent"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inverse Sine"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inverse Cosine"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inverse Tangent"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverse [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolean AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolean OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolean Exclusive OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolean NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Integer Component"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Fractional Component"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Real Component"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginary Component"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Ones' Complement"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Two's Complement"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Start Group [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "End Group [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calculate Result"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorize [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Clear Display [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Undo [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Double Declining Depreciation"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Financial Term"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Sum of the Years Digits Depreciation"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Straight Line Depreciation"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binary"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1328,7 +1338,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1336,188 +1346,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Round"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Floor"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Ceiling"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Sign"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Switch conversion units"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "No undo history"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "No redo history"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "No sane value to store"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Overflow. Try a bigger word size"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Unknown variable '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Function '%s' is not defined"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Unknown conversion"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Malformed expression at token '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Malformed expression"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Calculating"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Need an integer to factorize"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "No sane value to bitwise shift"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Displayed value not an integer"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1525,63 +1535,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Degrees"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radians"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradians"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatic"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixed"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Scientific"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Engineering"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Show %d decimal _places"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Unable to open help file"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1589,7 +1599,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1597,142 +1607,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "translator-credits"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mode"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_View"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Help"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Basic"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Advanced"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financial"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programming"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Contents"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copy"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Paste"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Undo"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Redo"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferences"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Quit"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_About"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Boolean AND is only defined for positive integers"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Boolean OR is only defined for positive integers"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolean XOR is only defined for positive integers"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Boolean NOT is only defined for positive integers"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Shift is only possible on integer values"
 
@@ -1787,7 +1797,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1796,760 +1806,760 @@ msgstr ""
 "(90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inverse sine is undefined for values outside [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Inverse cosine is undefined for values outside [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "Inverse hyperbolic cosine is undefined for values less than one"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s degrees"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degree,degrees,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radians"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradians"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Light Years"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomical Units"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Nautical Miles"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Miles"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometres"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometre,kilometres,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Fathoms"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metres"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metre,metres,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yards"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Feet"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot,feet,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inches"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetres"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimetre,centimetres,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimetres"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimetre,millimetres,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrometers"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometer,micrometers,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometres"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometre,nanometres,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectares"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Square Metres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Square Centimetres"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Square Millimetres"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Cubic Metres"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallons"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litres"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,litre,litres,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarts"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pints"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Millilitres"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,millilitre,millilitres,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitres"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonnes"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonne,tonnes"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilograms"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pounds"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound,pounds,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ounces"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grams"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,gramme,grammes,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "year,years"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Days"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s days"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "day,days"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Hours"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hours"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hour,hours"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute,minutes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Seconds"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "second,seconds,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milliseconds"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond,milliseconds,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microseconds"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecond,microseconds,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angle"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Length"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Area"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Weight"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Duration"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperature"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Currency"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/en_CA.po b/po/en_CA.po
index b224e17..13a0db3 100644
--- a/po/en_CA.po
+++ b/po/en_CA.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: English (Canada) (https://www.transifex.com/mate/teams/13566/en_CA/)\n"
+"Language-Team: English (Canada) (https://app.transifex.com/mate/teams/13566/en_CA/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memory"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Compounding Term"
 
@@ -215,7 +215,7 @@ msgstr "C_ost:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Future Value"
 
@@ -246,7 +246,7 @@ msgstr "_Periodic Payment:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Gross Profit Margin"
 
@@ -266,7 +266,7 @@ msgstr "_Margin:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodic Payment"
 
@@ -292,7 +292,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Present Value"
 
@@ -309,7 +309,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodic Interest Rate"
 
@@ -476,7 +476,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Insert Character Code"
 
@@ -526,7 +526,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferences"
 
@@ -581,12 +581,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculator"
 
@@ -948,12 +948,12 @@ msgstr "Venezuelan Bolívar"
 msgid "South African Rand"
 msgstr "South African Rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Error: the number of periods must be positive"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -964,7 +964,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -981,7 +981,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1001,7 +1001,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1011,13 +1011,13 @@ msgstr ""
 "  -s, --solve <equation>          Solve the given equation"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument --solve requires an equation to solve"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Unknown argument '%s'"
@@ -1032,294 +1032,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Euler’s Number"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Subscript mode [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Superscript mode [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Scientific exponent [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Add [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Subtract [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiply [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Divide [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulus divide"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Additional Functions"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponent [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Square [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentage [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolute value [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Complex argument"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Complex conjugate"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Root [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Square root [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logarithm"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Natural Logarithm"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sine"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosine"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolic Sine"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolic Cosine"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolic Tangent"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverse [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolean AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolean OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolean Exclusive OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolean NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Integer Component"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Fractional Component"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Real Component"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginary Component"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Ones' Complement"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Two's Complement"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Start Group [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "End Group [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calculate Result"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorize [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Clear Display [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Undo [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Double Declining Depreciation"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Financial Term"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Sum of the Years Digits Depreciation"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Straight Line Depreciation"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binary"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1328,7 +1338,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1336,188 +1346,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Round"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Floor"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Ceiling"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Sign"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Switch conversion units"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "No undo history"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "No redo history"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "No sane value to store"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Overflow. Try a bigger word size"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Unknown variable '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Function '%s' is not defined"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Unknown conversion"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Malformed expression"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Calculating"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Need an integer to factorize"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "No sane value to bitwise shift"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Displayed value not an integer"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1525,63 +1535,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Degrees"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radians"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradians"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatic"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixed"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Scientific"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Engineering"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Show %d decimal _places"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Unable to open help file"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1589,7 +1599,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1597,142 +1607,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Adam Weinberger <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mode"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_View"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Help"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Basic"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Advanced"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financial"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programming"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Contents"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copy"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Paste"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Undo"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Redo"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferences"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Quit"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_About"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Boolean AND is only defined for positive integers"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Boolean OR is only defined for positive integers"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolean XOR is only defined for positive integers"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Boolean NOT is only defined for positive integers"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Shift is only possible on integer values"
 
@@ -1787,7 +1797,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1796,760 +1806,760 @@ msgstr ""
 "(90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inverse sine is undefined for values outside [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Inverse cosine is undefined for values outside [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "Inverse hyperbolic cosine is undefined for values less than one"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s degrees"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degree,degrees,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radians"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradians"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Light Years"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomical Units"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Nautical Miles"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Miles"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometres"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometre,kilometres,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Fathoms"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metres"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metre,metres,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yards"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Feet"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot,feet,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inches"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetres"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimetre,centimetres,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimetres"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimetre,millimetres,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrometres"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometre,micrometres,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometres"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometre,nanometres,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectares"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Square Metres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Square Centimetres"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Square Millimetres"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Cubic Metres"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallons"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litres"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,1re,1res,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarts"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pints"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Millilitres"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,milli1re,milli1res,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitres"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonnes"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonne,tonnes"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilograms"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pounds"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound,pounds,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ounces"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grams"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,gramme,grammes,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "year,years"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Days"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s days"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "day,days"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Hours"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hours"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hour,hours"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute,minutes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Seconds"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "second,seconds,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milliseconds"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond,milliseconds,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microseconds"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecond,microseconds,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angle"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Length"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Area"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Weight"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Duration"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperature"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Currency"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/en_GB.po b/po/en_GB.po
index 19c560e..4a28e50 100644
--- a/po/en_GB.po
+++ b/po/en_GB.po
@@ -5,17 +5,17 @@
 # 
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2020
-# Martin Wimpress <[email protected]>, 2020
-# Andi Chandler <[email protected]>, 2020
+# Martin Wimpress <[email protected]>, 2022
+# Andi Chandler <[email protected]>, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Andi Chandler <[email protected]>, 2020\n"
-"Language-Team: English (United Kingdom) (https://www.transifex.com/mate/teams/13566/en_GB/)\n"
+"Last-Translator: Andi Chandler <[email protected]>, 2023\n"
+"Language-Team: English (United Kingdom) (https://app.transifex.com/mate/teams/13566/en_GB/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -53,7 +53,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memory"
 
@@ -112,11 +112,11 @@ msgstr "Subscript"
 
 #: src/buttons-advanced.ui:966
 msgid "const"
-msgstr ""
+msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Compounding Term"
 
@@ -217,7 +217,7 @@ msgstr "C_ost:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Future Value"
 
@@ -248,7 +248,7 @@ msgstr "_Periodic Payment:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Gross Profit Margin"
 
@@ -268,7 +268,7 @@ msgstr "_Margin:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodic Payment"
 
@@ -294,7 +294,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Present Value"
 
@@ -311,7 +311,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodic Interest Rate"
 
@@ -478,7 +478,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Insert Character Code"
 
@@ -528,7 +528,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferences"
 
@@ -563,7 +563,7 @@ msgstr "Show _thousands separators"
 
 #: data/mate-calc.appdata.xml.in:7
 msgid "MATE Calc"
-msgstr ""
+msgstr "MATE Calc"
 
 #: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
@@ -575,6 +575,9 @@ msgid ""
 "scientific modes. It uses a multiple precision package to do its arithmetic "
 "to give a high degree of accuracy."
 msgstr ""
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 
 #: data/mate-calc.appdata.xml.in:15
 msgid ""
@@ -582,13 +585,16 @@ msgid ""
 "If you would like to know more about MATE and MATE Calc, please visit the "
 "project's home page."
 msgstr ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Calculator"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculator"
 
@@ -600,7 +606,7 @@ msgstr "Perform arithmetic, scientific or financial calculations"
 #. localize the semicolons! The list MUST also end with a semicolon!
 #: data/mate-calc.desktop.in:13
 msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
-msgstr ""
+msgstr "calculator;MATE;scientific;arithmetic;financial;calculations;"
 
 #: data/org.mate.calc.gschema.xml:25
 msgid "Accuracy value"
@@ -652,7 +658,7 @@ msgstr "Show History"
 
 #: data/org.mate.calc.gschema.xml:53
 msgid "Shows all recent calculations"
-msgstr ""
+msgstr "Shows all recent calculations"
 
 #: data/org.mate.calc.gschema.xml:57
 msgid "Number format"
@@ -950,12 +956,12 @@ msgstr "Venezuelan Bolívar"
 msgid "South African Rand"
 msgstr "South African Rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Error: the number of periods must be positive"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -966,7 +972,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -983,7 +989,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1003,7 +1009,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1013,13 +1019,13 @@ msgstr ""
 "  -s, --solve <equation>          Solve the given equation"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument --solve requires an equation to solve"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Unknown argument '%s'"
@@ -1034,294 +1040,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Euler’s Number"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Imaginary unit"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Decimal point"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Subscript mode [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Superscript mode [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Scientific exponent [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Add [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Subtract [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiply [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Divide [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulus divide"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Additional Functions"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
-msgstr ""
+msgstr "Additional constants"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponent [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Square [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentage [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolute value [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Complex argument"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Complex conjugate"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Root [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Square root [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logarithm"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Natural Logarithm"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sine"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosine"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolic Sine"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolic Cosine"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolic Tangent"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inverse Sine"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inverse Cosine"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inverse Tangent"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverse [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolean AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolean OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolean Exclusive OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolean NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Integer Component"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Fractional Component"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Real Component"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginary Component"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Ones' Complement"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Two's Complement"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Start Group [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "End Group [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calculate Result"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorise [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Clear Display [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Undo [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Shift Left [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Shift Right [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Double-Declining Depreciation"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Financial Term"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Sum-of-the-Years' Digits Depreciation"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Straight-Line Depreciation"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binary"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1330,7 +1346,7 @@ msgstr[1] "_%d places"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1338,188 +1354,188 @@ msgstr[0] "%d place"
 msgstr[1] "%d places"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Round"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Floor"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Ceiling"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Sign"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
-msgstr ""
+msgstr "Velocity of Light"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
-msgstr ""
+msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
-msgstr ""
+msgstr "Magnetic constant"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
-msgstr ""
+msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
-msgstr ""
+msgstr "Electric constant"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
-msgstr ""
+msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
-msgstr ""
+msgstr "Newtonian constant of gravitation"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
-msgstr ""
+msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
-msgstr ""
+msgstr "Planck constant"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
-msgstr ""
+msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
-msgstr ""
+msgstr "Elementary charge"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
-msgstr ""
+msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
-msgstr ""
+msgstr "Electron mass"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
-msgstr ""
+msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
-msgstr ""
+msgstr "Proton mass"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
-msgstr ""
+msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
-msgstr ""
+msgstr "Avogadro constant"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
-msgstr ""
+msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Switch conversion units"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "No undo history"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "No redo history"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "No sane value to store"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Overflow. Try a bigger word size"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Unknown variable '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Function '%s' is not defined"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Unknown conversion"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Malformed expression at token '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Malformed expression"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Calculating"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Need an integer to factorise"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "No sane value to bitwise shift"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Displayed value not an integer"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1527,214 +1543,231 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Degrees"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radians"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradians"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatic"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixed"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Scientific"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Engineering"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Show %d decimal _places"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Unable to open help file"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
-msgstr ""
+msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE Documentation Team"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
 "Software Foundation; either version 2 of the License, or (at your option) "
 "any later version."
 msgstr ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public Licence as published by the Free "
+"Software Foundation; either version 2 of the Licence or (at your option) any"
+" later version."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
 "or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for"
 " more details."
 msgstr ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public Licence for"
+" more details."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
+"You should have received a copy of the GNU General Public Licence along with"
+" MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
-msgstr ""
+msgstr "About MATE Calculator"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
-msgstr "Martin Wimpress"
+msgstr ""
+"Martin Wimpress\n"
+"Andi Chandler"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mode"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_View"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Help"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Basic"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Advanced"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financial"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programming"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
-msgstr ""
+msgstr "_History"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Contents"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copy"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Paste"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Undo"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Redo"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
-msgstr ""
+msgstr "_Clear History"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferences"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Quit"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_About"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Boolean AND is only defined for positive integers"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Boolean OR is only defined for positive integers"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolean XOR is only defined for positive integers"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Boolean NOT is only defined for positive integers"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Shift is only possible on integer values"
 
@@ -1756,13 +1789,13 @@ msgstr "Logarithm of zero is undefined"
 #. Translators: Error displayed when attempting to take zeroth root
 #: src/mp.c:434
 msgid "The zeroth root of a number is undefined"
-msgstr ""
+msgstr "The zeroth root of a number is undefined"
 
 #. Translators: Error displayed when attempted take the factorial of a
 #. negative or complex number
 #: src/mp.c:474
 msgid "Factorial is only defined for non-negative real numbers"
-msgstr ""
+msgstr "Factorial is only defined for non-negative real numbers"
 
 #. Translators: Error displayed when attemping to do a modulus division on
 #. non-integer numbers
@@ -1781,15 +1814,15 @@ msgstr "The power of zero is undefined for a negative exponent"
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
 msgid "The error function is only defined for real numbers"
-msgstr ""
+msgstr "The error function is only defined for real numbers"
 
 #. Translators: Error displayed when zeta function value is undefined
 #: src/mp.c:632
 msgid "The Riemann zeta function is only defined for real numbers ≠1"
-msgstr ""
+msgstr "The Riemann zeta function is only defined for real numbers ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1798,760 +1831,760 @@ msgstr ""
 "(90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inverse sine is undefined for values outside [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Inverse cosine is undefined for values outside [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
-msgstr ""
+msgstr "Arctangent function is undefined for values i and -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "Inverse hyperbolic cosine is undefined for values less than one"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
-msgstr ""
+msgstr "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s degrees"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degree,degrees,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radians"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradians"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Light Years"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomical Units"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Nautical Miles"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Miles"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometres"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometre,kilometres,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Fathoms"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metres"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metre,metres,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yards"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Feet"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot,feet,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inches"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetres"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimetre,centimetres,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimetres"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimetre,millimetres,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrometres"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometre,micrometres,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometres"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometre,nanometres,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectares"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Square Metres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Square Centimetres"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Square Millimetres"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Cubic Metres"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallons"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litres"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,liter,liters,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarts"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pints"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Millilitres"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitres"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonnes"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonne,tonnes"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilograms"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pounds"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound,pounds,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ounces"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grams"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,gramme,grammes,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "year,years"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Days"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s days"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "day,days"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Hours"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hours"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hour,hours"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute,minutes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Seconds"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "second,seconds,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milliseconds"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond,milliseconds,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microseconds"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecond,microseconds,us,µs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angle"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Length"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Area"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Weight"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Duration"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperature"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Currency"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/eo.po b/po/eo.po
index cb5826c..94920fc 100644
--- a/po/eo.po
+++ b/po/eo.po
@@ -9,15 +9,16 @@
 # Cora Loftis, 2018
 # Forecast <[email protected]>, 2020
 # Stefano Karapetsas <[email protected]>, 2020
+# Alexander Richards, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Esperanto (https://www.transifex.com/mate/teams/13566/eo/)\n"
+"Last-Translator: Alexander Richards, 2022\n"
+"Language-Team: Esperanto (https://app.transifex.com/mate/teams/13566/eo/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -55,7 +56,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoro"
 
@@ -118,7 +119,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Kunmetanta Periodo"
 
@@ -219,7 +220,7 @@ msgstr "Ko_sto:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Estonta valoro"
 
@@ -250,7 +251,7 @@ msgstr "_Perioda pago:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Malnetoprofito marĝeno"
 
@@ -270,7 +271,7 @@ msgstr "_Marĝeno:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Perioda pago"
 
@@ -296,7 +297,7 @@ msgstr "Ĉ_efa:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Nuna valoro"
 
@@ -313,7 +314,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Perioda rentumo"
 
@@ -480,7 +481,7 @@ msgstr "Mpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Enmeti signokodon"
 
@@ -530,7 +531,7 @@ msgid "64-bit"
 msgstr "64-bita"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Agordoj"
 
@@ -565,7 +566,7 @@ msgstr "Montri milapar_tigilojn"
 
 #: data/mate-calc.appdata.xml.in:7
 msgid "MATE Calc"
-msgstr ""
+msgstr "MATE Kalkulilo"
 
 #: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
@@ -585,12 +586,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Kalkulilo"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulilo"
 
@@ -950,12 +951,12 @@ msgstr "Venezuela bolivaro"
 msgid "South African Rand"
 msgstr "Sudafrika rando"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Eraro: la kvanto de periodoj devas esti pozitiva"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -966,7 +967,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -983,7 +984,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1003,7 +1004,7 @@ msgstr ""
 "  --g-fatal-warnings              Fari ĉiujn avertojn neripareblaj"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1013,13 +1014,13 @@ msgstr ""
 "  -s, --solve <equation>          Solvi la donitan ekvacion"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argumento --solvo bezonas ekvacion por solvi"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Nekonata argumento '%s'"
@@ -1034,294 +1035,304 @@ msgstr "Pi [Ktrl+P]"
 msgid "Euler’s Number"
 msgstr "Eŭlera konstanto"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Reĝimo de suba indico [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Reĝimo de suba indico [Ktrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Scienca eksponento [Ktrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Adicii [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Subtrahi [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multipliki [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dividi [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Module dividi"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Aldonaj funkcioj"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Eksponento [^ aŭ **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kvadrato [Ktrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Elcento [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktorialo [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absoluta valoro [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Kompleksa argumento"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Kompleksa konjugito"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Radiko [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Kvadrata radiko [Ktrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmo"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Natura logaritmo"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinuso"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinuso"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangento"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hiperbola sinuso"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hiperbola kosinuso"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hiperbola tangento"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inversa Sinuso"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inversa Kosinuso"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inversa Tangento"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inversa [Ktrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Bulea KAJO (AND)"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Bulea AŬO (OR)"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Bulea DISAŬO (XOR)"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Bulea NEGO (NOT)"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Entjera parto"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Frakcia parto"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Reela parto"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginara parto"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Komplemento ĝis unu"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Komplemento ĝis du"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Komenci grupon [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Fini grupon [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Kalkuli rezulton"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktorigi [Ktrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Vakigi ekranon [Eskapa klavo]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Malfari [Ktrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Ŝovu Maldeskstren [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Ŝovu Dekstren [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Duoble deklinacianta malplivaloriĝo"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Financa periodo"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Sumo de la jaraj cifroj malplivaloriĝo"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Lineara malplivaloriĝo"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Duuma"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Okuma"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Dekuma"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Deksesuma"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1330,7 +1341,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1338,188 +1349,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Rondigi"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Planka"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Plafona"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Signumo"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " en "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Ŝanĝi konverto-unuojn"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Neniu malfara historio"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Neniu refara historia"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Neniu 'sana'-valoro por konservi"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Troo. Provu pli grandan vortlongon"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Nekonata variablo '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funkcio '%s' ne estas definita"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Nekonata konverto"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Misformita esprimo je signo '1%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Misformita esprimo"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Kalkulanta"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Bezonas entjeron por faktorigi"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Neniu 'sana'-valoro por laŭbita ŝovo"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Montrita valoro ne estas entjero"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1527,63 +1538,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Gradoj"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianoj"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradusoj"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Aŭtomate"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fiksita"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Scienca"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Inĝeniera"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Montri %d _cifer-pozicioj"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Ne eblas malfermi helpdosieron"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1591,7 +1602,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1599,31 +1610,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Pri MATE Kalkulilo"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Brion VIBBER <[email protected]>\n"
@@ -1636,113 +1647,113 @@ msgstr ""
 "  Rick Miller https://launchpad.net/~rdmiller3"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulilo"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Reĝimo"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vidi"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Helpo"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Baza"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Altnivela"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financa"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programado"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
-msgstr ""
+msgstr "_Historio"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Enhavoj"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopii"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Enmeti"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Malfari"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Refari"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
-msgstr ""
+msgstr "_Vakigi historion"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Agordoj"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Ĉesi"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Pri"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Bulea KAJO (AND) nur difinita por pozitivaj entjeroj"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Bulea AŬO (OR) nur difinita por pozitivaj entjeroj"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Bulea DISAŬO (XOR) nur difinita por pozitivaj entjeroj"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Bulea NEGO (NOT) nur definita por pozitivaj entjeroj"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Ŝovo estas nur ebla por entjeroj valoroj"
 
@@ -1797,7 +1808,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1805,760 +1816,760 @@ msgstr ""
 "Tangento ne definita por anguloj ke estas obloj de π (180°) ekde π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inversa sinuso ne definita por valoroj preter [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Inversa kosinuso ne definita por valoroj preter [-1,1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "Inverso hiperbola kosinuso ne definita por valoroj malpli ol unu"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s gradoj"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grado,gradoj,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianoj"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radiano,radianoj,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradusoj"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "graduso,gradusoj,gono"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsekoj"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parseko,parsekoj,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Lumjaroj"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s lj"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lumjaro,lumjaroj,lj"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomiaj unuoj"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Marmejlo"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s M"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "M"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Mejloj"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mejlo,mejloj,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometroj"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometro,kilometroj,km,kmj"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kabloj"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s kb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kablo,kabloj,kb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Klafto"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "klafto,klaftoj,kft"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metroj"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metro,metroj,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Jardoj"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jardo,jardoj,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Futo"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "futo,futoj,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Coloj"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s co"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "colo,coloj,co"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetroj"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimetro,centimetroj,cm,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetroj"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimetro,milimetroj,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometroj"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometro,mikrometroj,µm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometroj"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometro,nanometroj,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektaroj"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektaro,hektaroj,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Akreoj"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s akreoj"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "akreo,akreoj"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Kvadrataj metroj"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Kvadrataj centimetroj"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Kvadrataj milimetroj"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubaj metroj"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galjonoj"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galjono,galjonoj,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litroj"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litro,litroj,liter,liters,l"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Du pajntoj"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "du pajntoj, du pajntoj, qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pajntoj"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pajnto,pajntoj,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitroj"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitro,mililitroj,millimeter,millimeter,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikrolitroj"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s µl"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,µl,ul"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tunoj"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tuno,tunoj"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramoj"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogramo,kilogramoj,kilogram,kilograms,kg,kgj"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Funtoj"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "funto,funtoj,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Uncoj"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "unco,uncoj,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramoj"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gramo,gramoj,gram,grams,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Jaroj"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s jaroj"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "jaro,jaroj"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Tagoj"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s tagoj"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "tago,tagoj"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Horoj"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s horoj"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "horo, horoj"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutoj"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutoj"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuto,minutoj"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekundoj"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekundo,sekundoj,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisekundoj"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisekundo,milisekundoj,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekundoj"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s µs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekundo,microsekundoj,us,µs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsia"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s °C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "grdC,°C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenhejta"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s °F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "grdF,°F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvina"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankajna"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s °Ra"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "grdR,°R,°Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angulo"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Longo"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Areo"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volumeno"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Pezo"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Daŭro"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperaturo"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuto"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/es.po b/po/es.po
index fca7ecf..9e2d30d 100644
--- a/po/es.po
+++ b/po/es.po
@@ -12,22 +12,22 @@
 # Wolfgang Ulbrich <[email protected]>, 2019
 # Joel Barrios <[email protected]>, 2019
 # Stefano Karapetsas <[email protected]>, 2019
-# Adolfo Jayme Barrientos, 2020
-# Toni Estévez <[email protected]>, 2021
+# Adolfo Jayme-Barrientos, 2022
+# Toni Estévez <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Toni Estévez <[email protected]>, 2021\n"
-"Language-Team: Spanish (https://www.transifex.com/mate/teams/13566/es/)\n"
+"Last-Translator: Toni Estévez <[email protected]>, 2022\n"
+"Language-Team: Spanish (https://app.transifex.com/mate/teams/13566/es/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
@@ -60,7 +60,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -123,7 +123,7 @@ msgstr "const."
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Periodo de interés compuesto"
 
@@ -224,7 +224,7 @@ msgstr "C_oste:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valor futuro"
 
@@ -255,7 +255,7 @@ msgstr "_Pago periódico:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Margen de ingresos brutos"
 
@@ -275,7 +275,7 @@ msgstr "_Margen:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pago periódico"
 
@@ -301,7 +301,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valor presente"
 
@@ -318,7 +318,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Tasa periódica de interés"
 
@@ -486,7 +486,7 @@ msgstr "MIB"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Insertar un código de carácter"
 
@@ -536,7 +536,7 @@ msgid "64-bit"
 msgstr "64 bits"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencias"
 
@@ -584,8 +584,8 @@ msgid ""
 "to give a high degree of accuracy."
 msgstr ""
 "Calculadora de MATE es una potente calculadora gráfica que incluye los modos"
-" financiero, lógico y científico. Utiliza un paquete de precisión múltiple "
-"para realizar los cálculos y ofrecer un alto grado de precisión."
+" financiero, lógico y científico. Usa un paquete de precisión múltiple para "
+"realizar los cálculos y ofrecer un alto grado de precisión."
 
 #: data/mate-calc.appdata.xml.in:15
 msgid ""
@@ -597,12 +597,12 @@ msgstr ""
 " del entorno de escritorio MATE. Si quiere saber más sobre MATE y "
 "Calculadora de MATE, visite la página principal del proyecto."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculadora de MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculadora"
 
@@ -964,12 +964,12 @@ msgstr "Bolívar venezolano"
 msgid "South African Rand"
 msgstr "Rand sudafricano"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Error: el número de períodos debe ser positivo"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -980,7 +980,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -997,7 +997,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1017,7 +1017,7 @@ msgstr ""
 "  --g-fatal-warnings              Hacer que todos los avisos sean fatales"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1027,13 +1027,13 @@ msgstr ""
 "  -s, --solve <ecuación>          Resolver la ecuación proporcionada"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Parámetro --resolver requiere una ecuación para resolver"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Parámetro «%s» desconocido"
@@ -1048,492 +1048,504 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Número de Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Unidad imaginaria"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Separador decimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Modo subíndice [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Modo superíndice [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Exponente científico [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Sumar [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Restar [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplicar [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dividir [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "División modular"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Funciones adicionales"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Constantes adicionales"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponente [^ o **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Cuadrado [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Porcentaje [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valor absoluto [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argumento complejo"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Complejo conjugado"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Raíz [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Raíz cuadrada [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmo"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritmo natural"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Seno"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Coseno"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Seno hiperbólico"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Coseno hiperbólico"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangente hiperbólica"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Seno inverso"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Coseno inverso"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Tangente inversa"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverso [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Y lógico"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "O lógico"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "O exclusivo lógico"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NO lógico"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Parte entera"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Parte fraccional"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Parte real"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Parte imaginaria"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Complemento a uno"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Complemento a dos"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Inicio de grupo [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Fin de grupo [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcular el resultado"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorizar [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Borrar la pantalla [Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Deshacer [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Cambiar Izquierdo [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Cambiar Derecho [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Depreciación doble declinación"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Plazo financiero"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Sumatorio de los años-dígitos de deprecación"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Deprecación lineal"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binario"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
 msgstr[0] "_%d lugar"
 msgstr[1] "_%d posiciones"
+msgstr[2] "_%d posiciones"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "%d lugar"
 msgstr[1] "%d posiciones"
+msgstr[2] "%d posiciones"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Redondear"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Piso"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Techo"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Signo"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Velocidad de la luz"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299.792.458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Constante magnética"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1,2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Permisividad del vacío"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8,85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Constante de la gravitación de Newton"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6,67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Constante de Planck"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6,62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Carga elemental"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1,021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Masa del electrón"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9,10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Masa del protón"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1,672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Número de Avogadro"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6,02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " en "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Cambiar unidades de conversión"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "No hay historial de deshacer"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "No hay historial de rehacer"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "No hay un valor bueno para almacenar"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Desbordamiento de búfer. Inténtelo con un tamaño de palabra mayor."
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variable «%s» desconocida"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "La función «%s» no está definida"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversión desconocida"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Expresión mal formada en el valor «%s»"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Expresión malformada"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Calculando"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Se necesita un entero para factorizar"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "No hay un valor bueno para un desplazamiento de bits"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "El valor mostrado no es un entero"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1541,63 +1553,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grados"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianes"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradianes"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automático"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fijo"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Científico"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingeniería"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Mostrar %d deci_males"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "No se puede abrir el archivo de ayuda"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Equipo de Documentación de MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1609,7 +1621,7 @@ msgstr ""
 "Free Software Foundation, ya sea la versión 2 de la Licencia como (a su "
 "elección) cualquier versión posterior."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1621,7 +1633,7 @@ msgstr ""
 "IDONEIDAD PARA UN PROPÓSITO PARTICULAR. Consulte la Licencia Pública General"
 " de GNU para obtener más detalles."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1631,7 +1643,7 @@ msgstr ""
 "Calculadora de MATE; si no es así, escriba a la Free Software Foundation, "
 "Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1640,11 +1652,11 @@ msgstr ""
 "Calculadora con modos científico y financiero.\n"
 "Usa GNU MPFR %s y GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Acerca de Calculadora de MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1652,7 +1664,7 @@ msgstr ""
 "Copyright © 1986–2011 Los autores de GCalctool\n"
 "Copyright © 2011-2020 Los desarrolladores de MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Toni Estevez <[email protected]>, 2019\n"
@@ -1661,113 +1673,113 @@ msgstr ""
 "Pablo Gonzalo del Campo <[email protected]>, 2002-2003"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculadora"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modo"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Ver"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Básico"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avanzado"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financiero"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programador"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Historial"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Contenido"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copiar"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Pegar"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Deshacer"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Rehacer"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Borrar el historial"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "Preferencias"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Salir"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "El Y lógico solo está definido para números enteros positivos"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "El O lógico solo está definido para números enteros positivos"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "El XOR lógico solo está definido para números enteros positivos"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "El NO lógico solo está definido para números enteros positivos"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "El desplazamiento solo es posible en valores enteros"
 
@@ -1814,7 +1826,7 @@ msgstr "La potencia de cero no está definida para un exponente negativo"
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
 msgid "The error function is only defined for real numbers"
-msgstr "La función de error sólo está definida para los números reales"
+msgstr "La función de error solo está definida para los números reales"
 
 #. Translators: Error displayed when zeta function value is undefined
 #: src/mp.c:632
@@ -1822,7 +1834,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "La función zeta de Riemann solo está definida para números reales ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1831,23 +1843,23 @@ msgstr ""
 "lo son de π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "La inversa del seno no está definida para valores fuera de [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "La inversa del coseno no está definida para valores fuera de [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "La función arcotangente no está definida para los valores i y -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "La inversa del coseno hiperbólico no está definida para valores menores que "
@@ -1855,740 +1867,740 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "La tangente hiperbólica inversa no está definida para valores fuera de (-1, "
 "1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s grados"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grado,grados,grad"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianes"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radianes,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradianes"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradián,gradianes"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Pársecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "pársec,pársecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Años luz"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "año luz,años luz,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unidades astronómicas"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Millas náuticas"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Millas"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milla,millas,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilómetros"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilómetro,kilómetros,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Brazas"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s brz"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "braza,brazas,fathom,fathoms,brz,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metros"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metro,metros,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yardas"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yarda,yardas,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Pies"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "pie,pies,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Pulgadas"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "pulgada,pulgadas,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centímetros"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centímetro,centímetros,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milímetros"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milímetro,milímetros,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrómetros"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrómetro,micrómetros,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanómetros"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s mn"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanómetro,nanómetros,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectáreas"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectárea,hectáreas,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metros cuadrados"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centímetros cuadrados"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milímetros cuadrados"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metros cúbicos"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galones"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galón,galones,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litros"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litro,litros,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Cuartos"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "cuarto,cuartos,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintas"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pintas,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitros"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitro,mililitros,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitros"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Toneladas"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonelada,toneladas"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramos"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogramo,kilogramos,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Libras"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "libra,libras,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Onzas"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "onza,onzas,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramos"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gramo,gramos,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Años"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s años"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "año,años"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Días"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s días"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "día,días"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Horas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s horas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hora,horas"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuto,minutos"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Segundos"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "segundo,segundos,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisegundos"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisegundo,milisegundos,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsegundos"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsegundo,microsegundos,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "gradC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "gradF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "gradR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Ángulo"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Longitud"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Área"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volumen"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Peso"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Duración"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Divisa"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/es_AR.po b/po/es_AR.po
index a6b3e46..7df84b0 100644
--- a/po/es_AR.po
+++ b/po/es_AR.po
@@ -11,17 +11,17 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: mbarbero <[email protected]>, 2018\n"
-"Language-Team: Spanish (Argentina) (https://www.transifex.com/mate/teams/13566/es_AR/)\n"
+"Language-Team: Spanish (Argentina) (https://app.transifex.com/mate/teams/13566/es_AR/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es_AR\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
@@ -54,7 +54,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -117,7 +117,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -213,7 +213,7 @@ msgstr "C_osto:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valor Futuro"
 
@@ -241,7 +241,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -259,7 +259,7 @@ msgstr "_Margen:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pago Periódico"
 
@@ -285,7 +285,7 @@ msgstr "_Capital:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valor Actual"
 
@@ -302,7 +302,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Tasa de Interés del período"
 
@@ -455,7 +455,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -505,7 +505,7 @@ msgid "64-bit"
 msgstr "64-bits"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencias"
 
@@ -560,12 +560,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculadora"
 
@@ -925,12 +925,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -939,7 +939,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -951,7 +951,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -964,7 +964,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -972,13 +972,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -993,492 +993,504 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Número de Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Sumar [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Restar [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplicar [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dividir [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponente [^ o **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Cuadrado [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Porcentaje [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valor absoluto [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argumento complejo"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Conjugado complejo"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Raíz [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Raíz cuadrada [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmo"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritmo Natural"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Seno"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Coseno"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Seno Hiperbólico"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Coseno Hiperbólico"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangente Hiperbólica"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverso [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Y Booleano"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "O Booleano"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "O Booleano Exclusivo"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NO Booleano"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Componente Entero"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Componente Fraccional"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Componente Real"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Componente Imaginario"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Iniciar Grupo [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Finalizar Grupo [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcular Resultado"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorizar [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Limpiar Pantalla [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Deshacer [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Depreciación por Método de la Línea Recta"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binario"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Redondear"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Redonder hacia abajo"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Redondear hacia arriba"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Signo"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variable desconocida '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "La función '%s' no está definida"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1486,63 +1498,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grados"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianes"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradientes"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Científico"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingeniería"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1550,7 +1562,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1558,144 +1570,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Francisco Javier F. Serrador <[email protected]>\n"
 "Jorge González González <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr ""
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1750,767 +1762,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_CL.po b/po/es_CL.po
index a8e77bd..efcd959 100644
--- a/po/es_CL.po
+++ b/po/es_CL.po
@@ -7,22 +7,22 @@
 # Stefano Karapetsas <[email protected]>, 2018
 # David Ríos <[email protected]>, 2018
 # Alejo_K <[email protected]>, 2018
-# prflr88 <[email protected]>, 2018
+# Pablo Lezaeta Reyes <[email protected]>, 2018
 # Robert Petitpas <[email protected]>, 2019
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Robert Petitpas <[email protected]>, 2019\n"
-"Language-Team: Spanish (Chile) (https://www.transifex.com/mate/teams/13566/es_CL/)\n"
+"Language-Team: Spanish (Chile) (https://app.transifex.com/mate/teams/13566/es_CL/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es_CL\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
@@ -55,7 +55,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -118,7 +118,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -214,7 +214,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -242,7 +242,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -260,7 +260,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -284,7 +284,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -298,7 +298,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -451,7 +451,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -501,7 +501,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencias"
 
@@ -556,12 +556,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculadora"
 
@@ -921,12 +921,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -935,7 +935,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -947,7 +947,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -960,7 +960,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -968,13 +968,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -989,492 +989,504 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1482,63 +1494,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Equipo de documentiación de MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1546,7 +1558,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1554,142 +1566,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Créditos de los traductores"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr ""
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1744,767 +1756,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Actual"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_CO.po b/po/es_CO.po
index af385f9..d2991a8 100644
--- a/po/es_CO.po
+++ b/po/es_CO.po
@@ -7,23 +7,23 @@
 # Stefano Karapetsas <[email protected]>, 2018
 # Jose Barakat <[email protected]>, 2018
 # Julian Borrero <[email protected]>, 2018
-# John Toro <[email protected]>, 2020
 # Sergio Alejandro Bayona Becerra <[email protected]>, 2020
 # Julio E Tamara P <[email protected]>, 2020
+# John Toro <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Julio E Tamara P <[email protected]>, 2020\n"
-"Language-Team: Spanish (Colombia) (https://www.transifex.com/mate/teams/13566/es_CO/)\n"
+"Last-Translator: John Toro <[email protected]>, 2022\n"
+"Language-Team: Spanish (Colombia) (https://app.transifex.com/mate/teams/13566/es_CO/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es_CO\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
@@ -56,7 +56,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -119,7 +119,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -215,7 +215,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -243,7 +243,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -261,7 +261,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -285,7 +285,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -299,7 +299,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -452,7 +452,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -502,7 +502,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencias"
 
@@ -557,12 +557,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -922,12 +922,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -936,7 +936,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -948,7 +948,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -961,7 +961,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -969,13 +969,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -990,492 +990,504 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Punto decimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Seno"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Coseno"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binario"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1483,63 +1495,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automático"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1547,7 +1559,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1555,142 +1567,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Julián Andrés Borrero<[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculadora"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Ver"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Ayuda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "Índ_ice"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copiar"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Deshacer"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Rehacer"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Salir"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1745,767 +1757,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Moneda"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_CR.po b/po/es_CR.po
index f4a2ed5..8155869 100644
--- a/po/es_CR.po
+++ b/po/es_CR.po
@@ -2,251 +2,292 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Spanish (Costa Rica) (https://www.transifex.com/mate/teams/13566/es_CR/)\n"
+"Language-Team: Spanish (Costa Rica) (https://www.transifex.com/mate/"
+"teams/13566/es_CR/)\n"
+"Language: es_CR\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: es_CR\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +296,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +333,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr ""
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +910,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +926,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +934,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1261,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1102 +1269,1201 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
 msgstr ""
-"Francisco Javier F. Serrador <[email protected]>\n"
-"Jorge González González <[email protected]>"
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
+
+#: src/math-window.c:325
+msgid ""
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
+msgstr ""
+
+#: src/math-window.c:362
+#, c-format
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
 msgstr ""
 
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr ""
+"Francisco Javier F. Serrador <[email protected]>\n"
+"Jorge González González <[email protected]>"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_DO.po b/po/es_DO.po
index f67b334..e66e376 100644
--- a/po/es_DO.po
+++ b/po/es_DO.po
@@ -2,252 +2,293 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Jhonny Alberto Pantaleón <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Spanish (Dominican Republic) (https://www.transifex.com/mate/teams/13566/es_DO/)\n"
+"Language-Team: Spanish (Dominican Republic) (https://www.transifex.com/mate/"
+"teams/13566/es_DO/)\n"
+"Language: es_DO\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: es_DO\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -256,34 +297,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -291,481 +334,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr ""
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -775,14 +911,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -790,7 +927,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -798,315 +935,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1115,7 +1262,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1123,1102 +1270,1201 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
 msgstr ""
-"Francisco Javier F. Serrador <[email protected]>\n"
-"Jorge González González <[email protected]>"
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
+
+#: src/math-window.c:325
+msgid ""
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
+msgstr ""
+
+#: src/math-window.c:362
+#, c-format
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
 msgstr ""
 
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr ""
+"Francisco Javier F. Serrador <[email protected]>\n"
+"Jorge González González <[email protected]>"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_EC.po b/po/es_EC.po
index 2706576..b10f395 100644
--- a/po/es_EC.po
+++ b/po/es_EC.po
@@ -2,251 +2,292 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Spanish (Ecuador) (https://www.transifex.com/mate/teams/13566/es_EC/)\n"
+"Language-Team: Spanish (Ecuador) (https://www.transifex.com/mate/teams/13566/"
+"es_EC/)\n"
+"Language: es_EC\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: es_EC\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +296,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +333,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr ""
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +910,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +926,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +934,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1261,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1102 +1269,1201 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
 msgstr ""
-"Francisco Javier F. Serrador <[email protected]>\n"
-"Jorge González González <[email protected]>"
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
+
+#: src/math-window.c:325
+msgid ""
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
+msgstr ""
+
+#: src/math-window.c:362
+#, c-format
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
 msgstr ""
 
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr ""
+"Francisco Javier F. Serrador <[email protected]>\n"
+"Jorge González González <[email protected]>"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_ES.po b/po/es_ES.po
index 6dd1051..55d0881 100644
--- a/po/es_ES.po
+++ b/po/es_ES.po
@@ -4,23 +4,23 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Mario Verdin <[email protected]>, 2018
 # Jose11091 <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2018
+# Mario Verdin <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Spanish (Spain) (https://www.transifex.com/mate/teams/13566/es_ES/)\n"
+"Last-Translator: Mario Verdin <[email protected]>, 2022\n"
+"Language-Team: Spanish (Spain) (https://app.transifex.com/mate/teams/13566/es_ES/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es_ES\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
@@ -53,7 +53,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -116,7 +116,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -212,7 +212,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -240,7 +240,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -258,7 +258,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -282,7 +282,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -296,7 +296,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -449,7 +449,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -499,7 +499,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencias"
 
@@ -554,12 +554,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -919,12 +919,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -933,7 +933,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -945,7 +945,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -958,7 +958,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -966,13 +966,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -987,492 +987,504 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Punto decimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1480,63 +1492,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1544,7 +1556,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1552,144 +1564,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Jorge González <[email protected]>\n"
 "Francisco Javier F. Serrador <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr ""
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "Prefere_ncias"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "Acerca _de"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1744,767 +1756,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_MX.po b/po/es_MX.po
index 3b272f3..2d78bcc 100644
--- a/po/es_MX.po
+++ b/po/es_MX.po
@@ -11,17 +11,17 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Luis Medina <[email protected]>, 2020\n"
-"Language-Team: Spanish (Mexico) (https://www.transifex.com/mate/teams/13566/es_MX/)\n"
+"Language-Team: Spanish (Mexico) (https://app.transifex.com/mate/teams/13566/es_MX/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es_MX\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
@@ -54,7 +54,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -117,7 +117,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -213,7 +213,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -241,7 +241,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -259,7 +259,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -283,7 +283,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -297,7 +297,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -450,7 +450,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -500,7 +500,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencias"
 
@@ -555,12 +555,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -920,12 +920,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -934,7 +934,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -946,7 +946,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -959,7 +959,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -967,13 +967,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -988,492 +988,504 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1481,63 +1493,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1545,7 +1557,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1553,31 +1565,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Luis Armando Medina A. <[email protected]>, 2016\n"
@@ -1589,113 +1601,113 @@ msgstr ""
 "Jorge Carrasquilla Soares <[email protected]>, 2000"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculadora"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Ver"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Índice"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "Salir"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1750,767 +1762,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_NI.po b/po/es_NI.po
index 4398d78..6061a1c 100644
--- a/po/es_NI.po
+++ b/po/es_NI.po
@@ -2,251 +2,292 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Spanish (Nicaragua) (https://www.transifex.com/mate/teams/13566/es_NI/)\n"
+"Language-Team: Spanish (Nicaragua) (https://www.transifex.com/mate/"
+"teams/13566/es_NI/)\n"
+"Language: es_NI\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: es_NI\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +296,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +333,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr ""
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +910,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +926,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +934,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1261,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1102 +1269,1201 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
 msgstr ""
-"Francisco Javier F. Serrador <[email protected]>\n"
-"Jorge González González <[email protected]>"
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
+
+#: src/math-window.c:325
+msgid ""
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
+msgstr ""
+
+#: src/math-window.c:362
+#, c-format
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
 msgstr ""
 
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr ""
+"Francisco Javier F. Serrador <[email protected]>\n"
+"Jorge González González <[email protected]>"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_PA.po b/po/es_PA.po
index 33a3d49..bb8ed04 100644
--- a/po/es_PA.po
+++ b/po/es_PA.po
@@ -2,251 +2,292 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Spanish (Panama) (https://www.transifex.com/mate/teams/13566/es_PA/)\n"
+"Language-Team: Spanish (Panama) (https://www.transifex.com/mate/teams/13566/"
+"es_PA/)\n"
+"Language: es_PA\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: es_PA\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +296,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +333,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr ""
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +910,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +926,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +934,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1261,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1102 +1269,1201 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
 msgstr ""
-"Francisco Javier F. Serrador <[email protected]>\n"
-"Jorge González González <[email protected]>"
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
+
+#: src/math-window.c:325
+msgid ""
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
+msgstr ""
+
+#: src/math-window.c:362
+#, c-format
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
 msgstr ""
 
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr ""
+"Francisco Javier F. Serrador <[email protected]>\n"
+"Jorge González González <[email protected]>"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_PE.po b/po/es_PE.po
index 1e0462e..fd3db95 100644
--- a/po/es_PE.po
+++ b/po/es_PE.po
@@ -2,251 +2,292 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Spanish (Peru) (https://www.transifex.com/mate/teams/13566/es_PE/)\n"
+"Language-Team: Spanish (Peru) (https://www.transifex.com/mate/teams/13566/"
+"es_PE/)\n"
+"Language: es_PE\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: es_PE\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +296,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +333,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr ""
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +910,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +926,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +934,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1261,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1102 +1269,1201 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
 msgstr ""
-"Francisco Javier F. Serrador <[email protected]>\n"
-"Jorge González González <[email protected]>"
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
+
+#: src/math-window.c:325
+msgid ""
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
+msgstr ""
+
+#: src/math-window.c:362
+#, c-format
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
 msgstr ""
 
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr ""
+"Francisco Javier F. Serrador <[email protected]>\n"
+"Jorge González González <[email protected]>"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_PR.po b/po/es_PR.po
index 1e0fc6d..4773651 100644
--- a/po/es_PR.po
+++ b/po/es_PR.po
@@ -9,17 +9,17 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Neverest <[email protected]>, 2018\n"
-"Language-Team: Spanish (Puerto Rico) (https://www.transifex.com/mate/teams/13566/es_PR/)\n"
+"Language-Team: Spanish (Puerto Rico) (https://app.transifex.com/mate/teams/13566/es_PR/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: es_PR\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -211,7 +211,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -239,7 +239,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -281,7 +281,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -498,7 +498,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencias"
 
@@ -553,12 +553,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -918,12 +918,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -932,7 +932,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -944,7 +944,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -957,7 +957,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -965,13 +965,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -986,492 +986,504 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 msgstr[1] ""
+msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1479,63 +1491,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1543,7 +1555,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1551,144 +1563,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Francisco Javier F. Serrador <[email protected]>\n"
 "Jorge González González <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr ""
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Ayuda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1743,767 +1755,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_SV.po b/po/es_SV.po
index 1e11ba9..f84ac05 100644
--- a/po/es_SV.po
+++ b/po/es_SV.po
@@ -2,251 +2,292 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Spanish (El Salvador) (https://www.transifex.com/mate/teams/13566/es_SV/)\n"
+"Language-Team: Spanish (El Salvador) (https://www.transifex.com/mate/"
+"teams/13566/es_SV/)\n"
+"Language: es_SV\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: es_SV\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +296,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +333,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr ""
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +910,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +926,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +934,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1261,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1102 +1269,1201 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
 msgstr ""
-"Francisco Javier F. Serrador <[email protected]>\n"
-"Jorge González González <[email protected]>"
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
+
+#: src/math-window.c:325
+msgid ""
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
+msgstr ""
+
+#: src/math-window.c:362
+#, c-format
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
 msgstr ""
 
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr ""
+"Francisco Javier F. Serrador <[email protected]>\n"
+"Jorge González González <[email protected]>"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_UY.po b/po/es_UY.po
index a415216..b46b472 100644
--- a/po/es_UY.po
+++ b/po/es_UY.po
@@ -2,251 +2,292 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Spanish (Uruguay) (https://www.transifex.com/mate/teams/13566/es_UY/)\n"
+"Language-Team: Spanish (Uruguay) (https://www.transifex.com/mate/teams/13566/"
+"es_UY/)\n"
+"Language: es_UY\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: es_UY\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +296,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +333,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr ""
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +910,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +926,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +934,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1261,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1102 +1269,1201 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
 msgstr ""
-"Francisco Javier F. Serrador <[email protected]>\n"
-"Jorge González González <[email protected]>"
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
+
+#: src/math-window.c:325
+msgid ""
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
+msgstr ""
+
+#: src/math-window.c:362
+#, c-format
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
 msgstr ""
 
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr ""
+"Francisco Javier F. Serrador <[email protected]>\n"
+"Jorge González González <[email protected]>"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/es_VE.po b/po/es_VE.po
index 62f01f3..9ef8895 100644
--- a/po/es_VE.po
+++ b/po/es_VE.po
@@ -2,251 +2,292 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Spanish (Venezuela) (https://www.transifex.com/mate/teams/13566/es_VE/)\n"
+"Language-Team: Spanish (Venezuela) (https://www.transifex.com/mate/"
+"teams/13566/es_VE/)\n"
+"Language: es_VE\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: es_VE\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +296,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +333,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr ""
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +910,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +926,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +934,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1261,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1102 +1269,1201 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
 msgstr ""
-"Francisco Javier F. Serrador <[email protected]>\n"
-"Jorge González González <[email protected]>"
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
+
+#: src/math-window.c:325
+msgid ""
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
+msgstr ""
+
+#: src/math-window.c:362
+#, c-format
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
 msgstr ""
 
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr ""
+"Francisco Javier F. Serrador <[email protected]>\n"
+"Jorge González González <[email protected]>"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ay_uda"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Acerca de"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centígrados"
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/et.po b/po/et.po
index 74a08f3..54e5d8d 100644
--- a/po/et.po
+++ b/po/et.po
@@ -11,12 +11,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Estonian (https://www.transifex.com/mate/teams/13566/et/)\n"
+"Language-Team: Estonian (https://app.transifex.com/mate/teams/13566/et/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -54,7 +54,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Mälu"
 
@@ -117,7 +117,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Liitintress"
 
@@ -218,7 +218,7 @@ msgstr "_Maksumus:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Tulevikuväärtus"
 
@@ -248,7 +248,7 @@ msgstr "_Perioodiline makse:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Brutokasumi marginaal"
 
@@ -268,7 +268,7 @@ msgstr "_Marginaal:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Perioodiline makse"
 
@@ -294,7 +294,7 @@ msgstr "_Põhiosa:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Nüüdisväärtus"
 
@@ -310,7 +310,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Perioodiline intressimäär"
 
@@ -475,7 +475,7 @@ msgstr "Bkm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Märgi koodi sisestamine"
 
@@ -525,7 +525,7 @@ msgid "64-bit"
 msgstr "64 bitti"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Eelistused"
 
@@ -580,12 +580,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE kalkulaator"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulaator"
 
@@ -946,12 +946,12 @@ msgstr "Venezuela boliivar"
 msgid "South African Rand"
 msgstr "Lõuna-Aafrika Vabariigi rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Viga: perioodide arv peab olema positiivne"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -962,7 +962,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -979,7 +979,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -999,7 +999,7 @@ msgstr ""
 "  --g-fatal-warnings        Kõikide hoiatuste muutmine fataalseks"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1009,13 +1009,13 @@ msgstr ""
 "  -s, --solve <equation>    Etteantud võrrandi lahendamine"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Võtimele --solve on vaja argumendiks võrrandit, mida lahendada"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Tundmatu argument '%s'"
@@ -1030,294 +1030,304 @@ msgstr "Pii [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Euleri arv"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Alaindeksi režiim [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Ülaindeksi režiim [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Kümne astmega korrutamine [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Liitmine [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Lahutamine [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Korrutamine [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Jagamine [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Jäägiga jagamine"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Lisafunktsioonid"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Aste [^ või **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Ruut [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Protsent [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktoriaal [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absoluutväärtus [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Kompleksarvu argument"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Kompleksarvu pöördarv"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Juur [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Ruutjuur [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritm"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Naturaallogaritm"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Siinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Koosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangens"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hüperboolne siinus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hüperboolne koosinus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hüperboolne tangens"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Arkusdsiinus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Arkuskoosinus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Arkustangens"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Pöördväärtus [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Loogiline JA"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Loogiline VÕI"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Loogiline VÄLISTAV VÕI"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Loogiline EI"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Täisosa"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Murdosa"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Reaalosa"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginaarosa"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Ühend-täiendarv"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Kahendtäiendarv"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Grupi alustamine [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Grupi lõpetamine [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Tulemuse arvutamine"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Tegurdamine [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Kuva tühjendamine [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Tühistamine [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Nihe vasakule [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Nihe paremale [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Degressiivne amortisatsioon"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Makseperioodide arv"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Lineaarne amortisatsioon"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Lineaarne amortisatsioon"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Kahendsüsteem"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Kaheksandsüsteem"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Kümnendsüsteem"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Kuueteistkümnendsüsteem"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1326,7 +1336,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1334,188 +1344,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Ümardamine"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Alla ümardamine"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Üles ümardamine"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Märk"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " → "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Teisendusühikute vahetamine"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Tühistamiste ajalugu puudub"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Taastamiste ajalugu puudub"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Salvestamiseks pole mõistlikku väärtust"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Ületäitumine. Proovi suurendada sõna suurust"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Tundmatu muutuja '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funktsioon '%s' on defineerimata"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Tundmatu teisendus"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Vigane avaldis '%s' juures"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Vigane avaldis"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Arvutamine"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Tegurdamiseks on vaja täisarvu"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Bitinihke tegemiseks pole mõistlikku väärtust"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Kuvatav väärtus ei ole täisarv"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1523,63 +1533,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Kraadid"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radiaanid"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Goonid"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automaatne"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fikseeritud komakoht"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Teaduslik"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Insenerarvutused"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Näidatakse %d _kümnendkohta"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Abiteabe faili pole võimalik avada"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE dokumenteerimise meeskond"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1587,7 +1597,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1595,31 +1605,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Lauris Kaplinski, 1999.\n"
@@ -1629,114 +1639,114 @@ msgstr ""
 "Ivar Smolin <okul linux ee>, 2005–2010, 2014–2015, 2018."
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulaator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Režiim"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vaade"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "A_bi"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Tavaline"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Laiendatud"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Rahandus"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmeerimine"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Sisukord"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopeeri"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Aseta"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Unusta"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Taasta"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Eelistused"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Lõpeta"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Lähemalt"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Loogiline JA on võimalik ainult positiivsete täisarvude puhul"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Loogiline VÕI on võimalik ainult positiivsete täisarvude puhul"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 "Loogiline VÄLISTAV VÕI on võimalik ainult positiivsete täisarvude puhul"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Loogiline EI on võimalik ainult positiivsete täisarvude puhul"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Nihutamine on võimalik ainult täisarvude puhul"
 
@@ -1791,7 +1801,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1799,761 +1809,761 @@ msgstr ""
 "Tangens puudub nurkadele, mis on π (180°) kordsed alates nurgast π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Arkussiinust pole võimalik võtta arvudest väljaspool lõiku [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Arkuskoosinust pole võimalik võtta arvudest väljaspool lõiku [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Hüperboolset arkuskoosinust pole võimalik ühest väiksematest arvudest võtta"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s kraadi"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "kraad,kraadi,kraadid,°"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radiaani"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radiaan,radiaani,radiaanid,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gooni"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "goon,gooni,goonid,grad,gon"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsekid"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsek,parsekit,parsekid,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Valgusaastad"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s va"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "valgusaasta,valgusaastat,valgusaastad,va"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronoomilised ühikud"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Meremiilid"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Miilid"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "miil,miili,miilid"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilomeetrid"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilomeeter,kilomeeterit,kilomeetrid,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kaabeltaud"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kaabeltau,kaabeltaud"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Süllad"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "süld,sülda,süllad,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Meetrid"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meeter,meetrit,meetrid,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Jardid"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jard,jardi,jardid"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Jalad"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "jalg,jalga,jalad"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Tollid"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s\""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "toll,tolli,tollid,\""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Sentimeetrid"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "sentimeeter,sentimeetrit,sentimeetrid,cm,sm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimeetrid"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeeter,millimeetrit,millimeetrid,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikromeetrid"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikromeeter,mikromeetrit,mikromeetrid,um,μm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanomeetrid"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanomeeter,nanomeetrit,nanomeetrid,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektarid"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektar,hektarit,hektarid,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Aakrid"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s aakrit"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "aaker,aakrit,aakrid"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Ruutmeetrid"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Ruutsentimeetrid"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Ruutmillimeetrid"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kuupmeetrid"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallonid"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallonit,gallonid"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liitrid"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liiter,liitrit,liitrid,l,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Kvardid"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kvart,kvardi,kvardid,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pindid"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pinti,pindid"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Milliliitrid"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "milliliiter,milliliitrit,milliliitrid,ml,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikroliitrid"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μl"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL,μl,ul"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonnid"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonn,tonni,tonnid,t"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogrammid"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogramm,kilogrammi,kilogrammid,kilo,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Naelad"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "nael,naela,naelad"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Untsid"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "unts,untsi,untsid"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grammid"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gramm,grammi,grammid,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Aastad"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s aastat"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "aasta,aastat,a"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Päevad"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s päeva"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "päev,päeva,päevad"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Tunnid"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s tundi"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "tund,tundi,tunnid"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutid"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutit"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minut,minutit,minutid"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekundid"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekund,sekundit,sekundid,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisekundid"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisekund,millisekundit,millisekundid,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekundid"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekund,mikrosekundid,mikrosekundit,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr " oC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr " oF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Nurk"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Pikkus"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Pindala"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Helitugevus"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Mass"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Aeg"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatuur"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/eu.po b/po/eu.po
index b08ef81..49ff6de 100644
--- a/po/eu.po
+++ b/po/eu.po
@@ -5,18 +5,18 @@
 # 
 # Translators:
 # Wolfgang Ulbrich <[email protected]>, 2019
-# Alexander Gabilondo <[email protected]>, 2020
-# Asier Iturralde Sarasola <[email protected]>, 2020
 # Stefano Karapetsas <[email protected]>, 2020
+# Asier Iturralde Sarasola <[email protected]>, 2022
+# Alexander Gabilondo <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Basque (https://www.transifex.com/mate/teams/13566/eu/)\n"
+"Last-Translator: Alexander Gabilondo <[email protected]>, 2022\n"
+"Language-Team: Basque (https://app.transifex.com/mate/teams/13566/eu/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -54,7 +54,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -71,15 +71,15 @@ msgstr "Desegin"
 
 #: src/buttons-advanced.ui:663
 msgid "asin"
-msgstr ""
+msgstr "asin"
 
 #: src/buttons-advanced.ui:677
 msgid "atan"
-msgstr ""
+msgstr "atan"
 
 #: src/buttons-advanced.ui:705
 msgid "acos"
-msgstr ""
+msgstr "acos"
 
 #. Accessible name for the store value button
 #: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
@@ -113,11 +113,11 @@ msgstr "Azpiindizea"
 
 #: src/buttons-advanced.ui:966
 msgid "const"
-msgstr ""
+msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Kapitalizazio-epealdia"
 
@@ -218,7 +218,7 @@ msgstr "K_ostua:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Etorkizuneko balioa"
 
@@ -249,7 +249,7 @@ msgstr "_Ordainketa periodikoa:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Irabazi gordinaren marjina"
 
@@ -269,7 +269,7 @@ msgstr "_Marjina:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Ordainketa periodikoa"
 
@@ -295,7 +295,7 @@ msgstr "_Printzipala:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Uneko balioa"
 
@@ -312,7 +312,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Interes-tasa periodikoa"
 
@@ -479,7 +479,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Txertatu karaktere-kodea"
 
@@ -529,7 +529,7 @@ msgid "64-bit"
 msgstr "64 bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Hobespenak"
 
@@ -564,7 +564,7 @@ msgstr "Erakutsi _milakoen bereizleak"
 
 #: data/mate-calc.appdata.xml.in:7
 msgid "MATE Calc"
-msgstr ""
+msgstr "MATE Calc"
 
 #: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
@@ -576,6 +576,9 @@ msgid ""
 "scientific modes. It uses a multiple precision package to do its arithmetic "
 "to give a high degree of accuracy."
 msgstr ""
+"MATE Calc kalkulagailu grafiko indartsua da, finantza, logika eta zientifiko"
+" moduekin. Zehaztasun anitzeko pakete bat erabiltzen du bere aritmetika "
+"egiteko zehaztasun maila handia emateko."
 
 #: data/mate-calc.appdata.xml.in:15
 msgid ""
@@ -583,13 +586,16 @@ msgid ""
 "If you would like to know more about MATE and MATE Calc, please visit the "
 "project's home page."
 msgstr ""
+"MATE Calc GNOME Calc-en fork bat da eta MATE mahaigaineko ingurunearen parte"
+" da. MATE eta MATE Calc-i buruz gehiago jakin nahi baduzu, bisita ezazu "
+"proiektuaren hasierako orrialdera."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE kalkulagailua"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulagailua"
 
@@ -601,7 +607,7 @@ msgstr "Egin kalkulu aritmetikoak, zientifikoak edo finantzarioak"
 #. localize the semicolons! The list MUST also end with a semicolon!
 #: data/mate-calc.desktop.in:13
 msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
-msgstr ""
+msgstr "kalkulagailua;MATE;zientifikoa;aritmetika;finantza;kalkuluak;"
 
 #: data/org.mate.calc.gschema.xml:25
 msgid "Accuracy value"
@@ -655,7 +661,7 @@ msgstr "Erakutsi historia"
 
 #: data/org.mate.calc.gschema.xml:53
 msgid "Shows all recent calculations"
-msgstr ""
+msgstr "Azken kalkulu guztiak erakusten ditu"
 
 #: data/org.mate.calc.gschema.xml:57
 msgid "Number format"
@@ -953,12 +959,12 @@ msgstr "Bolivar venezuelarra"
 msgid "South African Rand"
 msgstr "Rand hegoafrikarra"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Errorea: denboraldien kopurua positiboa izan behar du"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -969,7 +975,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -986,7 +992,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1006,7 +1012,7 @@ msgstr ""
 "  --g-fatal-warnings              Egin abisu guztiak ezinbesteko"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1016,13 +1022,13 @@ msgstr ""
 "  -s, --solve <ekuazioa>          Ebatzi ekuazioa"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "--solve argumentuak ebazteko ekuazio bat behar du"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Argumentu ezezaguna: '%s'"
@@ -1037,294 +1043,304 @@ msgstr "Pi [Ktrl+P]"
 msgid "Euler’s Number"
 msgstr "Euler-en zenbakia"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Hamartarren bereizlea"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Azpiindizeen modua [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Goi-indizeen modua [Ktrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Berretzaile zientifikoa [Ktrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Gehitu [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Kendu [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Biderkatu [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Zatitu [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Moduluaren zatiketa"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Funtzio gehigarriak"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
-msgstr ""
+msgstr "Konstante gehigarriak"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Berretzailea [^ edo **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Karratua [Ktrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Ehunekoa [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktoriala [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Balio absolutua [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argumentu konplexua"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Konplexu konjugatua"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Erroa [Ktrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Erro karratua [Ktrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmoa"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritmo nepertarra"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinua"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinua"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangentea"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sinu hiperbolikoa"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Kosinu hiperbolikoa"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangente hiperbolikoa"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Alderantzizko sinua"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Alderantzizko kosinua"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Alderantzizko tangentea"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Arkua [Ktrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "AND boolearra"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "OR boolearra"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "OR boolear esklusiboa"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NOT boolearra"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Osoko zatia"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Zati frakzionala"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Zati erreala"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Zati irudikaria"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Baten osagarria"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Biren osagarria"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Bloke-hasiera [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Bloke-amaiera [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Kalkulatu emaitza"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktorizatu [Ktrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Garbitu pantaila [Ihes]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Desegin [Ktrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
-msgstr ""
+msgstr "Shift Ezkerra [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
-msgstr ""
+msgstr "Shift Eskuina [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Faktore bikoitzeko amortizazio beherakorra"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Epe finantzeroa"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Urteen digituen baturaren amortizazioa"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Amortizazio lineala"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Bitarra"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Zortzitarra"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Hamartarra"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hamaseitarra"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1333,7 +1349,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1341,188 +1357,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Biribildu"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Biribildu beheko osokora"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Biribildu goiko osokora"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Zeinua"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
-msgstr ""
+msgstr "Argiaren abiadura"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
-msgstr ""
+msgstr "299.792.458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
-msgstr ""
+msgstr "Konstante magnetikoa"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
-msgstr ""
+msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
-msgstr ""
+msgstr "Konstante elektrikoa"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
-msgstr ""
+msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
-msgstr ""
+msgstr "Grabitazio konstante newtoniarra"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
-msgstr ""
+msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
-msgstr ""
+msgstr "Planck konstantea"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
-msgstr ""
+msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
-msgstr ""
+msgstr "Oinarrizko karga"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
-msgstr ""
+msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
-msgstr ""
+msgstr "Elektroi masa"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
-msgstr ""
+msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
-msgstr ""
+msgstr "Protoi masa"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
-msgstr ""
+msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
-msgstr ""
+msgstr "Avogadro konstantea"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
-msgstr ""
+msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " honela "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Trukatu bihurketako unitateak"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Ez dago desegiteko historiarik"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Ez dago desegiteko historiarik"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Ez dago zentzuzko baliorik biltegiratzeko"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Gainezkatzea. Saiatu hitz-tamaina handiago batekin"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Aldagai ezezaguna: '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "'%s' funtzioa ez dago definituta"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Bihurketa ezezaguna"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
-msgstr ""
+msgstr "Okerreko adierazpena '%s' tokenean"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Hondatutako adierazpena"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Kalkulatzen"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Osoko zenbaki bat behar da faktorizatzeko"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Ez dago zentzuzko baliorik bit mailan desplazatzeko"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Bistaratutako balioa ez da osoko bat"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1530,216 +1546,231 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Graduak"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianak"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradianak"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatikoa"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Finkatuta"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Zientifikoa"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingeniaritza"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Erakutsi dezimalen %d _posizio"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Ezin da Laguntza-fitxategia ireki"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Mate dokumentatzeko taldea"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
 "Software Foundation; either version 2 of the License, or (at your option) "
 "any later version."
 msgstr ""
+"MATE kalkulagailua software librea da; birbanatu eta/edo alda dezakezu Free "
+"Software Foundation-ek argitaratutako GNU Lizentzia Publiko Orokorraren "
+"baldintzen arabera; Bai Lizentziaren 2. bertsioa edo (zure aukeran) "
+"geroagoko edozein bertsio."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
 "or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for"
 " more details."
 msgstr ""
+"MATE Kalkulagailua erabilgarria izango den itxaropenarekin banatzen da, "
+"baina INOLAKO BERMErik GABE; MERKATARITZARAKO edo HELBURU BATEKO "
+"EGOKITASUNAREN berme inplizitua ere gabe. Ikusi GNU Lizentzia Publiko "
+"Orokorra xehetasun gehiagorako."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
+"MATE Kalkulagailuarekin batera GNU Lizentzia Publiko Orokorraren kopia bat "
+"jaso beharko zenuke; hala ez bada, idatzi Free Software Foundation, Inc.-ra,"
+" 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, AEB."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
+"Modu finantzario eta zientifikoekin kalkulagailua.\n"
+"erabiliz %s GNU MPFR  eta  %1s GNU MPC erabiliz."
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
-msgstr ""
+msgstr "MATE kalkulagailuari buruz"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
+"Copyright 1986–2010 GCalctool egileak\n"
+"Copyright 2011-2021 MATE garatzaileak"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Asier Iturralde Sarasola <[email protected]>\n"
 "Aritz Jorge Sánchez"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulagailua"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modua"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Ikusi"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Laguntza"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Oinarrizkoa"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Aurreratua"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finantzarioa"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programazioa"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
-msgstr ""
+msgstr "_Historia"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Edukia"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopiatu"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Itsatsi"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Desegin"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Berregin"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
-msgstr ""
+msgstr "_Garbitu historia"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Hobespenak"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Irten"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "Honi _buruz"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "AND boolearra osoko positiboentzat bakarrik dago definituta"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "OR boolearra osoko positiboentzat bakarrik dago definituta"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "XOR boolearra osoko positiboentzat bakarrik dago definituta"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "NOT boolearra osoko positiboentzat bakarrik dago definituta"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Desplazamendua osoko balioekin bakarrik erabil daiteke"
 
@@ -1761,13 +1792,13 @@ msgstr "Zeroren logaritmoa ez dago definituta"
 #. Translators: Error displayed when attempting to take zeroth root
 #: src/mp.c:434
 msgid "The zeroth root of a number is undefined"
-msgstr ""
+msgstr "Zenbaki baten zerogarren erroa zehaztu gabe dago"
 
 #. Translators: Error displayed when attempted take the factorial of a
 #. negative or complex number
 #: src/mp.c:474
 msgid "Factorial is only defined for non-negative real numbers"
-msgstr ""
+msgstr "Faktoriala zenbaki erreal ez-negatiboetarako bakarrik definitzen da"
 
 #. Translators: Error displayed when attemping to do a modulus division on
 #. non-integer numbers
@@ -1786,15 +1817,15 @@ msgstr "Zeroren berretura ez dago definituta berretzaile negatibo batentzat"
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
 msgid "The error function is only defined for real numbers"
-msgstr ""
+msgstr "Errore-funtzioa zenbaki errealetarako soilik definitzen da"
 
 #. Translators: Error displayed when zeta function value is undefined
 #: src/mp.c:632
 msgid "The Riemann zeta function is only defined for real numbers ≠1"
-msgstr ""
+msgstr "Riemann zeta funtzioa ≠1 zenbaki errealetarako bakarrik definitzen da"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1803,24 +1834,24 @@ msgstr ""
 "angeluentzat"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Arku sinua ez dago definituta [-1, 1] bitartetik kanpoko balioentzat"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 "Arku kosinua ez dago definituta [-1, 1] bitartetik kanpoko balioentzat"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
-msgstr ""
+msgstr "Funtzio arkotangentea zehaztu gabe dago i eta -i balioetarako"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Arku kosinu hiperbolikoa ez dago definituta 1en baino txikiagoak diren "
@@ -1828,738 +1859,740 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
+"Alderantzizko tangente hiperbolikoa ez dago zehaztuta kanpoko balioetarako "
+"(-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s gradu"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "gradu,graduak"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radian"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radianak,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradian"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradianak,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsec"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsec-ak,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Argi-urteak"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s a.u."
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "argi-urte,argi-urteak,a.u."
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unitate astronomikoak"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Itsas milia"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Miliak"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milia,miliak,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometroak"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometro,kilometroak,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kableak"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kable,kableak,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Brazak"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "braza,brazak,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metroak"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metro,metroak,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yardak"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yarda,yardak,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Oinak"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "oin,oinak,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Hazbeteak"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "hazbete,hazbeteak,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Zentimetroak"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "zentimetro,zentimetroak,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetroak"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimetro,milimetroak,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometroak"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometro,mikrometroak,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometroak"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometro,nanometroak,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektareak"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektarea,hektareak,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Akreak"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s akreak"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "akre,akreak"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metro koadroak"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Zentimetro koadroak"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milimetro koadroak"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metro kubiko"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galoiak"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galoi,galoiak,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litroak"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litro,litroak,l"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Laurdenak"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "laurdena,laurdenak,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintak"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pintak,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitroak"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitro,mililitroak,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikrolitroa"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tona"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tona,tonak"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramoak"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogramo,kilogramoak,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Libera"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "libera,liberak,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ontza"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ontza,ontzak,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramoak"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gramo,gramoak,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Urteak"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s urte"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "urte,urteak"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Egunak"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s egun"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "egun,egunak"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Orduak"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ordu"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ordu,orduak,o"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutuak"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutu"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minutu,minutuak,min"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Segundoak"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "segundo,segundoak,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "MIlisegundoak"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisegundo,milisegundoak,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosegundoak"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosegundo,mikrosegundoak,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "zentigradu,C,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "F,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "R,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angelua"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Luzera"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Area"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Bolumena"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Pisua"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Iraupena"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Tenperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Dibisa"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%2$s %1$s"
diff --git a/po/fa.po b/po/fa.po
index c9631ba..de467a4 100644
--- a/po/fa.po
+++ b/po/fa.po
@@ -12,12 +12,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Persian (https://www.transifex.com/mate/teams/13566/fa/)\n"
+"Language-Team: Persian (https://app.transifex.com/mate/teams/13566/fa/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -55,7 +55,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "حافظه"
 
@@ -118,7 +118,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "عبارت ترکیبی"
 
@@ -214,7 +214,7 @@ msgstr "_هزینه:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "مقدار آینده"
 
@@ -242,7 +242,7 @@ msgstr "_پرداخت دوره‌ای:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "حاشیه سود ناخالص"
 
@@ -260,7 +260,7 @@ msgstr "_حاشیه:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "پرداخت دوره‌ای"
 
@@ -284,7 +284,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "مقدار فعلی"
 
@@ -298,7 +298,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "نرخ بهره دوره‌ای"
 
@@ -451,7 +451,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "درج کد نویسه"
 
@@ -501,7 +501,7 @@ msgid "64-bit"
 msgstr "۶۴ بیت"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "تنظیمات"
 
@@ -556,12 +556,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "ماشین حساب MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ماشین‌حساب"
 
@@ -923,12 +923,12 @@ msgstr "بولیوار ونزوئلا"
 msgid "South African Rand"
 msgstr "رند آفریقا جنوبی"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "خطا: تعداد دوره‌ها باید مثبت باشند"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -939,7 +939,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -956,7 +956,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -976,7 +976,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -986,13 +986,13 @@ msgstr ""
 "  -s, --solve <equation>          Solve the given equation"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument --solve requires an equation to solve"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "آرگومان ناشناس «%s»"
@@ -1007,294 +1007,304 @@ msgstr "پی [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "عدد اولر"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "حالت زیرنویس [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "حالت بالانویس [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "توان علمی [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "جمع [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "تفریق [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "ضرب [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "تقسیم [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "باقیمانده تقسیم"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "توابع اضافی"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "توان [^ یا **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "مربع [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "درصد [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "فاکتوریل [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "قدر مطلق [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "آرگومان پیچیده"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "عبارت صرفی پیچیده"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "ریشه [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "ریشه‌ی دوم [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "لوگاریتم"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "لگاریتم طبیعی"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "سینوس"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "کسینوس"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "تانژانت"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "سینوس شبه هذلولی"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "کسینوس شبه هذلولی"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "تانژانت شبه هذلولی"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "سینوس معکوس"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "کوسینوس معکوس"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "تانژانت معکوس"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "معکوس [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "مقدار بولی AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "مقدار بولی OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "مقدار بولی Exclusive OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "مقدار بولی NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "جزء صحیح"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "جزء کسری"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "جزء واقعی"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "جزء مجازی"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "متمم یک"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "متمم دو"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "شروع گروه [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "انتها گروه [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "محاسبه‌ی نتیجه"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "فاکتور [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "پاک کردن نمایشگر [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "برگردان [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "استهلاک با شیب مضاعف"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "دوره مالی"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "استهلاک مجموع سنوات"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "استهلاک خط مستقیم"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "دودویی"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "هشت‌هشتی"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "اعشاری"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "شانزده‌شانزدهی‏"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1303,7 +1313,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1311,188 +1321,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "گرد کردن"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "کف"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "سقف"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Sign"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "تعویض واحدهای تبدیل"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "بدون تاریخچه برگردان"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "بدون تاریخچه انجام دوباره"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "مقدار معقولی برای ذخیره کردن موجود نیست"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "اضافی. یک کلمه با اندازه بزرگتر امتحان کنید"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "متغیر ناشناس «%s»"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "تابع «%s» تعریف نشد است"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "تبدیل ناشناس"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "عبارت بدریخت در نشانه '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "عبارت معیوب"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "درحال محاسبه"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "یک عدد صحیح جهت فاکتور کردن لازم است"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "مقدار معقولی برای تبدیل عملگر بیای نیست"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "عبارت نمایش داده شده عدد صحیح نیست"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "۰,۱,۲,۳,۴,۵,۶,۷,۸,۹,A,B,C,D,E,F"
 
@@ -1500,63 +1510,63 @@ msgstr "۰,۱,۲,۳,۴,۵,۶,۷,۸,۹,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "درجه"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "رادیان"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "گرادیان"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "خودکار"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "ثابت"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "علمی"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "مهندسی"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "نمایش %Id رقم _اعشاری"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "نمی‌توان پرونده‌ی راهنما را باز کرد"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1564,7 +1574,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1572,142 +1582,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "محمدرضا حاجیانپور <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_ماشین‌حساب"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_حالت"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_نمایش"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_راهنما"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "ا_بتدایی"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_پیشرفته"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_مالی"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_برنامه‌نویسی"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_محتویات"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_نسخه‌برداری"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "چسباندن"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "ب_رگردان"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_دوباره"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_ترجیحات"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_ترک"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_درباره"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "مقدار بولی AND تنها برای اعداد صحیح مثبت تعریف شده است"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "مقدار بولی OR تنها برای اعداد صحیح مثبت تعریف شده است"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "مقدار بولی XOR تنها برای اعداد صحیح مثبت تعریف شده است"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "مقدار بولی NOT تنها برای اعداد صحیح مثبت تعریف شده است"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "تبدیل فقط برای مقادیر صحیح امکان‌پذیر است"
 
@@ -1762,7 +1772,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1771,760 +1781,760 @@ msgstr ""
 " نشده است"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "سینوس معکوس برای مقادیر خارج از [1, 1-] تعریف نشده است"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "کسینوس معکوس برای مقادیر خارج از [1, 1-] تعریف نشده است"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "سینوس شبه هذلولی معکوس برای مقادیر کمتر از یک تعریف نشده است"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s درجه"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "درجه,درجه,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s گرادیان"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "رادیان,رادیان,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s گرادیان"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "گرادیان,گرادیان,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "پارسِک"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "پارسِک,پارسِک,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "سال نوری"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "سال‌نوری,سال‌نوری,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "واحدهای نجومی"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "مایل دریایی"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "مایل"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "مایل,مایل,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "کیلومتر"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "کیلومتر,کیلومتر,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "فَتوم"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "فَتوم,فَتوم,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "متر"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "متر,متر,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "یارد"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "یارد,یارد,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "فوت"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "فوت,فوت,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "اینچ"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "اینچ,اینچ,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "سانتی‌متر"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "سانتی‌متر,سانتی‌متر,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "میلی‌متر"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "میلی‌متر,میلی‌متر,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "میکرومتر"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "میکرومتر,میکرومتر,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "نانومتر"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "نانومتر,نانومتر,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "هکتار"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "هکتار,هکتار,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "جریب"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "جریب,جریب"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "متر مربع"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "سانتی‌متر مربع"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "میلی‌متر مربع"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "متر مکعب"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "گالون"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "گالون,گالون,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "لیتر"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "لیتر,لیتر,لیتر,لیتر,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "کورات"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "کوارت,کوارت,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "پاینت"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "پاینت,پاینت,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "میلی‌لیتر"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "میلی‌متر,میلی‌متر,میلی‌متر,میلی‌متر,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "میکرومتر"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "تُن"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "تُن,تُن"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "کیلوگرم"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "کیلومتر,کیلوگرم,کیلوگرم,کیلوگرم,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "پوند"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "پوند,پوند,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "اونس"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "اونس,اونس,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "گرم"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "گرم,گرم,گرم,گرم,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "سال"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s سال"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "سال,سال"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "روز"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s روز"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "روز,روز"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ساعت"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ساعت"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ساعت,ساعت"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "دقیقه"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s دقیقه"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "دقیقه,دقیقه"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "ثانیه"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "ثانیه,ثانیه,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "میلی‌ثانیه"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "میلی‌ثانیه,میلی‌ثانیه,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "میکروثانیه"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "میکروثانیه,میکروثانیه,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "سانتیگراد"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "فارنهایت"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "کلوین"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "رنکین"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "زاویه"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "طول"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "محیط"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "بلندی صدا"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "وزن"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "مدت"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "دما"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "ارز"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/fi.po b/po/fi.po
index aee6bea..c6dc8ef 100644
--- a/po/fi.po
+++ b/po/fi.po
@@ -11,17 +11,17 @@
 # Wolfgang Ulbrich <[email protected]>, 2019
 # Kimmo Kujansuu <[email protected]>, 2019
 # Stefano Karapetsas <[email protected]>, 2020
-# Eslam Ali <[email protected]>, 2020
 # Ammuu5, 2021
+# Eslam Ali <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Ammuu5, 2021\n"
-"Language-Team: Finnish (https://www.transifex.com/mate/teams/13566/fi/)\n"
+"Last-Translator: Eslam Ali <[email protected]>, 2022\n"
+"Language-Team: Finnish (https://app.transifex.com/mate/teams/13566/fi/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -59,7 +59,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Muisti"
 
@@ -122,7 +122,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Korkojakso"
 
@@ -223,7 +223,7 @@ msgstr "K_ustannus:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Tuleva arvo"
 
@@ -253,7 +253,7 @@ msgstr "_Toistuva maksu:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Bruttokate"
 
@@ -273,7 +273,7 @@ msgstr "_Marginaali:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Säännöllinen maksu"
 
@@ -299,7 +299,7 @@ msgstr "_Peruspääoma:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Nykyinen arvo"
 
@@ -315,7 +315,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Säännöllinen korkotaso"
 
@@ -481,7 +481,7 @@ msgstr "kate"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -531,7 +531,7 @@ msgid "64-bit"
 msgstr "64-bittinen"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Asetukset"
 
@@ -586,12 +586,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Laskin"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Laskin"
 
@@ -951,12 +951,12 @@ msgstr "Venezuelan bolívar"
 msgid "South African Rand"
 msgstr "Etelä-Afrikan randi"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -967,7 +967,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -984,7 +984,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1004,7 +1004,7 @@ msgstr ""
 "  --g-fatal-warnings              Tee kaikista varoituksista kuolettavia"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1012,13 +1012,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argumentti --solve vaatii ratkaistavan yhtälön"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Tuntematon argumentti ”%s”"
@@ -1033,294 +1033,304 @@ msgstr "Pii [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Neperin luku"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Desimaalipiste"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Tieteellinen eksponentti [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Lisää [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Vähennä [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Kerro [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Jaa [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulusjakolasku"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Eksponentti [^ tai **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Prosentti [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Kertoma [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Itseisarvo [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmi"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Luonnollinen logaritmi"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sini"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosini"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangentti"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolinen sini"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolinen kosini"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolinen tangentti"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Käänteisluku [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Totuusarvo JA"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Totuusarvo TAI"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Totuusarvo EI"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Reaalikomponentti"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginäärikomponentti"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Laske tulos"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Kumoa [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binääri"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktaali"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Desimaali"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heksadesimaali"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1329,7 +1339,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1337,188 +1347,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Avogadron vakio"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Ei perumishistoriaa"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Ei kelpoa arvoa tallennettavaksi"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Ylivuoto. Kokeile suurempaa sanakokoa"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Tuntematon muuttuja '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funktiota '%s' ei ole määritelty"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Tuntematon muunnos"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Virheellinen lauseke"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Tekijöihin jakamiseen vaaditaan kokonaisluku"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Ei järkevää arvoa bittisiirrolle"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1526,63 +1536,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Asteet"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radiaania"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradiaanit"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automaattinen"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Tiede"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Insinööri"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "ohjetiedostoa ei voi avata"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE-dokumentointitiimi"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1590,7 +1600,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1598,31 +1608,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Tommi Vainikainen, 2005\n"
@@ -1632,113 +1642,113 @@ msgstr ""
 "Johanna Makkonen, 2003"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Laskin"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Tila"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Näytä"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Ohje"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Perustila"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Edistynyt"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Taloustila"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Ohjelmointi"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Sisältö"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopioi"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "L_iitä"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Kumoa"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Tee _uudelleen"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Asetukset"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Lopeta"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Tietoja"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Totuusarvo JA on määritelty vain positiivisille kokonaisluvuille"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Totuusarvo TAI on määritelty vain positiivisille kokonaisluvuille"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Totuusarvo XOR on määritelty vain positiivisille kokonaisluvuille"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Totuusarvo EI on määritelty vain positiivisille kokonaisluvuille"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Siirto on mahdollista vain kokonaisluvuille"
 
@@ -1793,7 +1803,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1802,760 +1812,760 @@ msgstr ""
 "π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Sinin käänteisarvoa ei ole määritelty muualla kuin välillä [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Kosinin käänteisarvoa ei ole määritelty muualla kuin välillä [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "tuuma"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "millimetri"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometriä"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "KB"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Määrä"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Lämpötila"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/fr.po b/po/fr.po
index 6431059..463299b 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -10,25 +10,25 @@
 # Étienne Deparis <[email protected]>, 2019
 # Wolfgang Ulbrich <[email protected]>, 2019
 # David D, 2019
-# Stefano Karapetsas <[email protected]>, 2019
 # roxfr <[email protected]>, 2019
 # clefebvre <[email protected]>, 2020
 # Laurent Napias, 2020
 # Tubuntu, 2021
+# Stefano Karapetsas <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Tubuntu, 2021\n"
-"Language-Team: French (https://www.transifex.com/mate/teams/13566/fr/)\n"
+"Last-Translator: Stefano Karapetsas <[email protected]>, 2022\n"
+"Language-Team: French (https://app.transifex.com/mate/teams/13566/fr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: fr\n"
-"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"Plural-Forms: nplurals=3; plural=(n == 0 || n == 1) ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
@@ -61,7 +61,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Mémoire"
 
@@ -124,7 +124,7 @@ msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Durée de capitalisation"
 
@@ -225,7 +225,7 @@ msgstr "C_oût :"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valeur à terme"
 
@@ -256,7 +256,7 @@ msgstr "_Paiement périodique :"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Marge brute"
 
@@ -276,7 +276,7 @@ msgstr "_Marge :"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Paiement périodique"
 
@@ -302,7 +302,7 @@ msgstr "_Principal :"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valeur actuelle"
 
@@ -319,7 +319,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Taux d'intérêt périodique"
 
@@ -486,7 +486,7 @@ msgstr "Marge"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Insertion d'un code de caractère"
 
@@ -536,7 +536,7 @@ msgid "64-bit"
 msgstr "64 bits"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Préférences"
 
@@ -597,12 +597,12 @@ msgstr ""
 "bureau MATE. Si vous désirez en savoir plus au sujet de MATE et de la "
 "calculatrice MATE, veuillez visiter la page d'accueil du projet."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculatrice de MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculatrice"
 
@@ -966,12 +966,12 @@ msgstr "Bolívar vénézuélien"
 msgid "South African Rand"
 msgstr "Rand sud-africain"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Erreur : le nombre d'échéances doit être positif"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -982,7 +982,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -999,7 +999,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1019,7 +1019,7 @@ msgstr ""
 "  --g-fatal-warnings              Rendre tous les avertissements fatals"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1029,13 +1029,13 @@ msgstr ""
 "  -s, --solve <équation>          Résout l'équation donnée"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "L'option --solve requiert une équation à résoudre"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Option « %s » inconnue"
@@ -1050,492 +1050,504 @@ msgstr "Nombre pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Nombre d'Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Point décimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Mode indice [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Mode exposant [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Exposant scientifique [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Addition [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Soustraction [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplication [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Division [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulo de division"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Fonctions supplémentaires"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Constantes supplémentaires"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exposant [^ ou **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Carré [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Pourcentage [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorielle [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valeur absolue [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argument complexe"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Complexe conjugué"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Racine [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Racine carrée [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logarithme décimal"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logarithme népérien (base e)"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sinus hyperbolique"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosinus hyperbolique"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangente hyperbolique"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Sinus inverse"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Cosinus inverse"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Tangente inverse"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverse [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "AND (ET) booléen"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "OR (OU) booléen"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "OR (OU) exclusif booléen"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NOT (NON) booléen"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Partie entière"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Partie fractionnaire"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Partie réelle"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Partie imaginaire"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Complément à un"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Complément à deux"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Début de groupement [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Fin de groupement [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcule le résultat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factoriser [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Efface l'affichage [Échap.]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Annule [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Maj. gauche [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Maj. droite [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Amortissement dégressif à taux double"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Valeur à terme"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Amortissement softy"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Amortissement linéaire"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binaire"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
 msgstr[0] "_%d position"
 msgstr[1] "_%d positions"
+msgstr[2] "_%d positions"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "%d position"
 msgstr[1] "%d positions"
+msgstr[2] "%d positions"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Arrondi"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Arrondi à l'entier inférieur"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Arrondi à l'entier supérieur"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Signe"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Vitesse de la lumière"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Constante magnétique"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Constante électrique"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Constante de gravitation newtonienne"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Constante de Planck"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Charge élémentaire"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Masse de l'électron"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Masse du proton"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Constante d'Avogadro"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " en "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Inverse les unités de conversion"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Aucun historique d'annulation"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Aucun historique à rétablir"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Aucune valeur correcte à mémoriser"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Dépassement de capacité. Essayez avec une taille de mot plus grande"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variable « %s » inconnue"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "La fonction « %s » n'est pas définie"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversion inconnue"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Expression incorrecte avec le jeton « %s »"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Expression incorrecte"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Calcul en cours"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Seuls les nombres entiers sont factorisables"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Aucune valeur correcte pour un décalage bit-à-bit"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "La valeur affichée n'est pas un entier"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1543,63 +1555,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Degrés"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radians"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Grades"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatique"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixe"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Scientifique"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingénierie"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Afficher %d dé_cimales"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Impossible d'ouvrir le fichier d'aide"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Équipe de documentation MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1611,7 +1623,7 @@ msgstr ""
 "publiée par la Free Software Foundation ; version 2 de la licence, ou (à "
 "votre discrétion) toute version ultérieure."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1623,7 +1635,7 @@ msgstr ""
 "ou D'ADÉQUATION À UN BESOIN PARTICULIER. Consultez la Licence Publique "
 "Générale GNU pour plus de détails."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1634,7 +1646,7 @@ msgstr ""
 "Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA "
 "02110-1301, USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1643,11 +1655,11 @@ msgstr ""
 "Calculatrice avec des modes financiers et scientifiques.\n"
 "Utilisant GNU MPFR %s et GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "À propos de Calculatrice de MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1655,7 +1667,7 @@ msgstr ""
 "Copyright © 1986–2010 Auteurs de GCalctool\n"
 "Copyright © 2011-2021 Développeurs de MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Contributeurs au projet MATE :\n"
@@ -1674,114 +1686,114 @@ msgstr ""
 "Gérard Baylard <gerard dot b at bbox dot fr>, 2010"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculatrice"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mode"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Affichage"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Aid_e"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Basique"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avancé"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financier"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmation"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Historique"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Sommaire"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copier"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "C_oller"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "A_nnuler"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Restaurer"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Effacer l'historique"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Préférences"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Quitter"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_À propos"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Le AND (ET) booléen n'est défini que pour des entiers positifs"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Le OR (OU) booléen n'est défini que pour des entiers positifs"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 "Le XOR (OU exclusif) booléen n'est défini que pour des entiers positifs"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Le NOT (NON) booléen n'est défini que pour des entiers positifs"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Le décalage n'est possible que sur des valeurs entières"
 
@@ -1837,7 +1849,7 @@ msgstr ""
 "La fonction zeta de Riemann n'est définie que pour les nombres réels ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1846,25 +1858,25 @@ msgstr ""
 "nombre entier de fois π (180°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "L'arc sinus n'est pas défini pour les valeurs hors du segment [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 "L'arc cosinus n'est pas défini pour les valeurs hors du segment [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 "L'arc cosinus n'est pas défini pour les valeurs hors du segment [-1, 1]"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "L'argument cosinus hyperbolique n'est pas défini pour les valeurs "
@@ -1872,740 +1884,740 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "L'argument tangente hyperbolique n'est pas défini pour les valeurs en dehors"
 " du segment [-1, 1]"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s degrés"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degré,degrés,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radians"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s grades"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "grade,grades,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Années-lumière"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "année-lumière,années-lumière,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unités astronomiques"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Milles marins"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "M,NM,nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milles"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mille,milles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilomètres"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilomètre,kilomètres,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Encablures"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s encablure"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "encablure,encablures"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Brasses"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s brasse"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "brasse,brasses"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Mètres"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "mètre,mètres,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yards"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Pieds"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s pied"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "pied,pieds"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Pouces"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "pouce,pouces,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimètres"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimètre,centimètres,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimètres"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimètre,millimètres,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micromètres"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micromètre,micromètres,μm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanomètres"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanomètre,nanomètres,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectares"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Mètres carrés"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centimètres carrés"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Millimètres carrés"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Mètre cube"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallons"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litres"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarts"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintes"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinte,pintes,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Millilitres"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitres"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonnes"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonne,tonnes"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogrammes"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogramme,kilogrammes,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Livres"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s livre"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "livre,livres"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Onces"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s once"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "once,onces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grammes"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gramme,grammes,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Années"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s ans"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "an,ans,année,années"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Jours"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s jours"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "jour,jours"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Heures"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s heures"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "heure,heures"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute,minutes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Secondes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "seconde,secondes,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisecondes"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milliseconde,millisecondes,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsecondes"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microseconde,microsecondes,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚Ra"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angle"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Longueur"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Surface"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Masse"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Temps"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Température"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Devise"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/fr_CA.po b/po/fr_CA.po
index ef55f12..00afebd 100644
--- a/po/fr_CA.po
+++ b/po/fr_CA.po
@@ -1,245 +1,290 @@
 # SOME DESCRIPTIVE TITLE.
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
-# 
+#
 # Translators:
 # Ir0nsh007er <[email protected]>, 2015
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-02-06 15:01+0300\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-02-06 12:05+0000\n"
 "Last-Translator: Vlad Orlov <[email protected]>\n"
-"Language-Team: French (Canada) (http://www.transifex.com/mate/MATE/language/fr_CA/)\n"
+"Language-Team: French (Canada) (http://www.transifex.com/mate/MATE/language/"
+"fr_CA/)\n"
+"Language: fr_CA\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: fr_CA\n"
 "Plural-Forms: nplurals=2; plural=(n > 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:8
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:76 ../data/buttons-programming.ui.h:12
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr "="
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
-#. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:7 ../data/buttons-programming.ui.h:15
-msgid "Subscript"
-msgstr ""
-
-#. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-programming.ui.h:17
-msgid "Superscript"
-msgstr ""
-
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:11
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
+#. The label on the memory button
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
+msgid "x"
+msgstr "x"
+
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-financial.ui.h:72
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Mémoire"
 
-#. The label on the memory button
-#: ../data/buttons-advanced.ui.h:15 ../data/buttons-financial.ui.h:74
-#: ../data/buttons-programming.ui.h:21
-msgid "x"
-msgstr "x"
-
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:17 ../data/buttons-basic.ui.h:5
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:33
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:18 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:98
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:19
-msgid "acos"
-msgstr ""
-
-#: ../data/buttons-advanced.ui.h:20
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:21
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
+#: src/buttons-advanced.ui:705
+msgid "acos"
+msgstr ""
+
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:19
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:31
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:29
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:10
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
+#. Accessible name for the superscript mode button
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
+msgid "Superscript"
+msgstr ""
+
+#. Accessible name for the subscript mode button
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
+msgid "Subscript"
+msgstr ""
+
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
+msgid "_Cancel"
+msgstr ""
+
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:4
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
-#. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:6
-msgid "Present _Value:"
-msgstr ""
-
-#. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:8
-msgid "Periodic Interest _Rate:"
-msgstr ""
-
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:10
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
+#. Payment Period Dialog: Label before periodic interest rate input
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
+msgid "Periodic Interest _Rate:"
+msgstr ""
+
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:12
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
+#. Periodic Interest Rate Dialog: Label before present value input
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
+msgid "Present _Value:"
+msgstr ""
+
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:14
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:16
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:18
-msgid "C_ost:"
-msgstr ""
-
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:20
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:22
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
+#. Gross Profit Margin Dialog: Label before cost input
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
+msgid "C_ost:"
+msgstr ""
+
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:24 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
+#. Present Value Dialog: Label before number of periods input
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
+msgid "_Number of Periods:"
+msgstr ""
+
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:26
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:28
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
-#. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:30
-msgid "_Number of Periods:"
-msgstr ""
-
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:32 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:34
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:36
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:38 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:40
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
-#. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:42
-msgid "_Principal:"
-msgstr ""
-
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:44
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
+#. Periodic Payment Dialog: Label before principal input
+#: src/buttons-financial.ui:867
+msgid "_Principal:"
+msgstr ""
+
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:46 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:48
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -248,34 +293,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:50 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:52
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:54
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:56
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:58
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:60
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -283,477 +330,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:62
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:64
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:66
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:68
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:70
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:79
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:81
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:83
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:85
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:87
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:89
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:91
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:93
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:95
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:97
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:4
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:6
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:23
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:25
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:27
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:238
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Préférences"
 
+#: src/preferences.ui:80
+msgid "_Close"
+msgstr ""
+
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:11
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:13
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:15
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:17
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:19
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
+msgid ""
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:15
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:533
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -763,14 +907,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -778,7 +923,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -786,315 +931,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:994
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:996
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:611
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:615
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:619
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:623
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:905 ../src/math-buttons.c:948
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1103,7 +1258,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:909 ../src/math-buttons.c:952
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1111,1072 +1266,1201 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1004
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:414
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:429
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1918
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:252 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:270
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:274
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:293
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
+msgstr ""
+
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
 msgstr ""
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:317
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:325
+msgid ""
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
+msgstr ""
+
+#: src/math-window.c:362
+#, c-format
+msgid ""
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
+msgstr ""
+
+#: src/math-window.c:368
+msgid "About MATE Calculator"
+msgstr ""
+
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
+msgstr ""
+
+#: src/math-window.c:375
+msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: ../src/math-window.c:369
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:371
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:373
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Aide"
 
 #. Basic menu label
-#: ../src/math-window.c:375
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:377
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:379
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:381
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:383
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#: src/math-window.c:544
+msgid "_Copy"
+msgstr ""
+
+#: src/math-window.c:546
+msgid "_Paste"
+msgstr ""
+
+#: src/math-window.c:548
+msgid "_Undo"
+msgstr ""
+
+#: src/math-window.c:550
+msgid "_Redo"
+msgstr ""
+
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
+#, fuzzy
+#| msgid "Preferences"
+msgid "_Preferences"
+msgstr "Préférences"
+
+#: src/math-window.c:557
+msgid "_Quit"
+msgstr ""
+
+#: src/math-window.c:578
+msgid "_About"
+msgstr ""
+
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/frp.po b/po/frp.po
index 111b950..eec7c31 100644
--- a/po/frp.po
+++ b/po/frp.po
@@ -4,16 +4,16 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Alexandre Raymond, 2018
+# Alexandre Raymond, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Alexandre Raymond, 2018\n"
-"Language-Team: Franco-Provençal (Arpitan) (https://www.transifex.com/mate/teams/13566/frp/)\n"
+"Last-Translator: Alexandre Raymond, 2022\n"
+"Language-Team: Franco-Provençal (Arpitan) (https://app.transifex.com/mate/teams/13566/frp/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Mèmoère"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Prèfèrences"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Dècimâla"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tang·enta"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Dèfâre [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Èquipa de traduction"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr ""
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr ""
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Dèfâre"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Refâre"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Prèfèrences"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr ""
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/fur.po b/po/fur.po
index 2e30057..acdf714 100644
--- a/po/fur.po
+++ b/po/fur.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Friulian (https://www.transifex.com/mate/teams/13566/fur/)\n"
+"Language-Team: Friulian (https://app.transifex.com/mate/teams/13566/fur/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencis"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Andrea Decorte <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Viodude"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Jutori"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Somari"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Cupie"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Tache"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Anule"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Ripet"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencis"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Jes"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "Informazions"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Poleârs"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimetris"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/fy.po b/po/fy.po
index b784d74..4bdc265 100644
--- a/po/fy.po
+++ b/po/fy.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Western Frisian (https://www.transifex.com/mate/teams/13566/fy/)\n"
+"Language-Team: Western Frisian (https://app.transifex.com/mate/teams/13566/fy/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -211,7 +211,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -239,7 +239,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -281,7 +281,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -498,7 +498,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Ynstellingen"
 
@@ -553,12 +553,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -918,12 +918,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -932,7 +932,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -944,7 +944,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -957,7 +957,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -965,13 +965,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -986,294 +986,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1282,7 +1292,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1290,188 +1300,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1479,63 +1489,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1543,7 +1553,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1551,31 +1561,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Launchpad Contributions:\n"
@@ -1583,113 +1593,113 @@ msgstr ""
 "  Sense Hofstede https://launchpad.net/~qense"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Sjen litte"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Help"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "Ynhâld"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Ûngedien meitsje"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "Foarkarren"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Oer"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1744,767 +1754,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/ga.po b/po/ga.po
index 37aa396..f66c329 100644
--- a/po/ga.po
+++ b/po/ga.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Irish (https://www.transifex.com/mate/teams/13566/ga/)\n"
+"Language-Team: Irish (https://app.transifex.com/mate/teams/13566/ga/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Cuimhne"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr "_Costas:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr "_Príomhshuim:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Sainroghanna"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Áireamhán"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Cuir leis [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heicsidheachúlach"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1284,7 +1294,7 @@ msgstr[4] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1295,188 +1305,188 @@ msgstr[3] ""
 msgstr[4] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1484,63 +1494,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Uathoibríoch"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Eolaíoch"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Ní féidir comhad cabhrach a oscailt"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1548,7 +1558,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1556,31 +1566,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Paul Duffy <[email protected]>\n"
@@ -1588,113 +1598,113 @@ msgstr ""
 "Seán de Búrca <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "Á_ireamhán"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Amharc"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Cab_hair"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Bunúsach"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Casta"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Airgeadúil"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Ríomhchlárú"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Inneachar"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Cóipeáil"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "G_reamaigh"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Cealaigh"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Athfheidhmigh"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Sainroghanna"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "Scoi_r"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Maidir Leis Seo"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1749,767 +1759,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Orlaí"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milliméadair"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/gl.po b/po/gl.po
index 3d7fc49..6baedb8 100644
--- a/po/gl.po
+++ b/po/gl.po
@@ -6,16 +6,16 @@
 # Translators:
 # André Rivero Castillo <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2019
-# Miguel Anxo Bouzada <[email protected]>, 2021
+# Miguel Anxo Bouzada <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Miguel Anxo Bouzada <[email protected]>, 2021\n"
-"Language-Team: Galician (https://www.transifex.com/mate/teams/13566/gl/)\n"
+"Last-Translator: Miguel Anxo Bouzada <[email protected]>, 2022\n"
+"Language-Team: Galician (https://app.transifex.com/mate/teams/13566/gl/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -53,7 +53,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -116,7 +116,7 @@ msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Prazo composto"
 
@@ -218,7 +218,7 @@ msgstr "C_usto:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valor futuro"
 
@@ -249,7 +249,7 @@ msgstr "_Pagamento periódico:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Marxe de beneficio bruto"
 
@@ -269,7 +269,7 @@ msgstr "_Marxe:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pagamento periódico"
 
@@ -295,7 +295,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valor presente"
 
@@ -312,7 +312,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Tipo de xuro periódico"
 
@@ -480,7 +480,7 @@ msgstr "MBB"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Inserir código de carácter"
 
@@ -530,7 +530,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencias"
 
@@ -591,12 +591,12 @@ msgstr ""
 "do contorno de escritorio MATE. Se quere saber máis sobre MATE e a "
 "Calculadora do MATE, visite a páxina do proxecto."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculadora MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculadora"
 
@@ -958,12 +958,12 @@ msgstr "Bolívar venezolano"
 msgid "South African Rand"
 msgstr "Rand de Sudáfrica"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Erro: o número de períodos debe ser positivo"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -974,7 +974,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -991,7 +991,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1011,7 +1011,7 @@ msgstr ""
 "  --g-fatal-warnings              Fai que todos os avisos sexan fatais"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1021,13 +1021,13 @@ msgstr ""
 "  -s, --solve <equation>          Resolve a ecuación dada"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "O argumento --solve require unha ecuación para resolver"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Argumento «%s» descoñecido"
@@ -1042,294 +1042,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Número de Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Punto decimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Modo de número subscrito [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Modo de número superescrito [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Expoñente científico [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Sumar [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Restar [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplicar [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dividir [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "División de módulo"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Funcións adicionais"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Constantes adicionais"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Expoñente [^ ou **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Cadrado [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Porcentaxe [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valor absoluto [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argumento complexo"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Conxugar complexo"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Raíz [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Raíz cadrada [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmo"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritmo natural"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Seno"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Coseno"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tanxente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Seno hiperbólico"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Coseno hiperbólico"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tanxente hiperbólica"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Seno inverso"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Coseno inverso"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Tanxente inversa"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverter [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Booleano AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Booleano OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Booleano OR exclusivo"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Booleano NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Compoñente enteiro"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Compoñente fraccionario"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Compoñente real"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Compoñente imaxinario"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Complemento a 1"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Complemento a 2"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Comezo de grupo [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Final de grupo [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcular o resultado"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorizar [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Limpar a vista [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Desfacer [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Desprazar á esquerda [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Desprazar á dereita [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Depreciación declinante dobre"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Termo financeiro"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Depreciación pola suma dos díxitos dos anos"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Depreciación lineal directa"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binario"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1338,7 +1348,7 @@ msgstr[1] "_%d posicións"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1346,188 +1356,188 @@ msgstr[0] "%d posición"
 msgstr[1] "%d posicións"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Redondear"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Redondear cara a abaixo"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Redondear cara a arriba"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Signo"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "velocidade da luz"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Constante magnética"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Constante eléctrica"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Constante newtoniana de gravitación"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Constante de Planck"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Carga elemental"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Masa do electrón"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Masa do protón"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Constante de Avogadro"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " en "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Cambiar unidades de conversión"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Non hai historial de desfacer"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Non hai historial de refacer"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Non hai un valor lóxico para almacenar"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Desbordamento de búfer. Probe cun tamaño maior da palabra"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variábel descoñecida «%s»"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "A función «%s» non está definida"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversión descoñecida"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Expresión formada incorrectamente no token «%s»"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Expresión formada incorrectamente"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Calculando"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Necesítase un enteiro para factorizar"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Non hai un valor lóxico para o desprazamento de bit a bit"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "O valor amosado non é un enteiro "
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1535,63 +1545,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Graos"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radiáns"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradiáns"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automático"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixado"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Científico"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Enxeñaría"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Amosar %d _posicións decimais"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Non é posíbel abrir o ficheiro de axuda"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr " Equipo de documentación do MATE "
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1603,7 +1613,7 @@ msgstr ""
 "pola Free Software Foundation tanto na versión 2 da licenza como (baixo a "
 "súa elección) calquera versión posterior."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1615,7 +1625,7 @@ msgstr ""
 "IDONEIDADE PARA UN PROPÓSITO PARTICULAR. Para máis detalles vexa a Licenza "
 "Pública Xeral de GNU."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1625,7 +1635,7 @@ msgstr ""
 "MATE, se non é así, escriba á Free Software Foundation, Inc., 51 Franklin "
 "Street, Fifth Floor, Boston, MA 02110-1301 USA"
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1634,11 +1644,11 @@ msgstr ""
 "Calculadora con modo financeiro e científico.\n"
 "Usando GNU MPFR %s e GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Sobre a Calculadora do MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1646,120 +1656,120 @@ msgstr ""
 "Dereitos de autoría © 1986–2010 Os autores do GCalctool\n"
 "Dereitos de autoría © 2011-2021 Os desenvolvedores do MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Miguel Anxo Bouzada <[email protected]>\n"
 "Proxecto Trasno <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculadora"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modo"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Ver"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Axuda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Básico"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avanzado"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financeiro"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programación"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Historial"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Contidos"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copiar"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Pegar"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Desfacer"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Refacer"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Limpar o historial"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferencias"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Saír"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Sobre"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "O booleano AND só está definido para os enteiros positivos"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "O booleano OR so está definido para os enteiros positivos"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "O booleano XOR só está definido para os enteiros positivos"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "O booleano NOT só está definido para os enteiros positivos"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "O desprazamento só está dispoñíbel para os valores enteiros"
 
@@ -1814,7 +1824,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "A función zeta de Riemann só se define para números reais ≠ 1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1823,23 +1833,23 @@ msgstr ""
 "dende π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "O seno inverso non está definido para os valores externos a [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "O coseno inverso non está definido para os valores externos a [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "A función arcotanxente non está definida para os valores i e -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "A inversa do coseno hiperbólico non está definido para valores menores que "
@@ -1847,739 +1857,739 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "A tanxente hiperbólica inversa non se define para valores fóra de (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s graos"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grao,graos,gra"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radiáns"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radián,radiáns,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradiáns"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradián,gradiáns,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Pársecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "pársec,pársecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Anos luz"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ano luz,anos luz,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unidades astronómicas"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Millas náuticas"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s mni"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "mni"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Millas"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milla,millas,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Quilómetros"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s qm"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "quilómetro,quilómetros,qm,qms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Brazas"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s brz"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "braza,brazas,fathom,fathoms,brz,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metros"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metro,metros,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Iardas"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "iarda,iardas,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Pes"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "pe,pes,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Polgadas"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s polg"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "polgada,polgadas,polg"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centímetros"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centímetro,centímetros,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milímetros"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milímetro,milímetros,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrómetros"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrómetro,micrómetros,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanómetros"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s mn"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanómetro,nanómetros,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectáreas"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectárea,hectáreas,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metros cadrados"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centímetros cadrados"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milímetros cuadrados"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metros cúbicos"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galóns"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galón,galóns,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litros"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litro,litros,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Cuartos"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "cuarto,cuartos,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintas"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pintas,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitros"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitro,mililitros,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitros"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Toneladas"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonelada,toneladas"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Quilogramos"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s qg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "quilogramo,quilogramos,qg,qgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Libras"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "libra,libras,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Onza"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "onza,onzas,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramos"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gramo,gramos,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Anos"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s anos"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "ano,anos"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Días"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s días"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "día,días"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Horas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s horas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hora,horas"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuto,minutos"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Segundos"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "segundo,segundos,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisegundos"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisegundo,milisegundos,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsegundos"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsegundo,microsegundos,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "gradC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "gradF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Ángulo"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Lonxitude"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Área"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Peso"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Duración"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Divisas"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/gu.po b/po/gu.po
index b0e336d..6a531a0 100644
--- a/po/gu.po
+++ b/po/gu.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Gujarati (https://www.transifex.com/mate/teams/13566/gu/)\n"
+"Language-Team: Gujarati (https://app.transifex.com/mate/teams/13566/gu/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "મેમરી"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "સંયુક્ત સત્ર"
 
@@ -215,7 +215,7 @@ msgstr "કિંમત (_o):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "ભવિષ્યની કિંમત"
 
@@ -245,7 +245,7 @@ msgstr "સામયિક ચૂકવણી (_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "કુલ ફાયદો"
 
@@ -265,7 +265,7 @@ msgstr "અંતર (_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "સામયિક ચૂકવણી"
 
@@ -291,7 +291,7 @@ msgstr "મુદ્દલ (_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "વર્તમાન કિંમત"
 
@@ -307,7 +307,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "સામયિક વ્યાજ દર"
 
@@ -472,7 +472,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "અક્ષર કોડ દાખલ કરો"
 
@@ -522,7 +522,7 @@ msgid "64-bit"
 msgstr "64-બીટ"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "પસંદગીઓ"
 
@@ -577,12 +577,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "મેટ કૅલ્ક્યુલેટર"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "કૅલ્ક્યુલેટર"
 
@@ -944,12 +944,12 @@ msgstr "વેનેઝુએલા બોલિવર"
 msgid "South African Rand"
 msgstr "સાઉથ આફ્રિકન રેન્ડ"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "ભૂલ: સમયગાળાની સંખ્ય એ હકારાત્મક હોવી જ જોઇએ"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -960,7 +960,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -977,7 +977,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -997,7 +997,7 @@ msgstr ""
 "  --g-fatal-warnings              બધી ચેતવણીઓ ફેટલ બનાવો"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1007,13 +1007,13 @@ msgstr ""
 "  -s, --solve <equation>          આપેલ સમીકરણને ઉકેલો"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "દલીલ --solve એ સમીકરણને ઉકેલવા માટે જરૂર છે"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "અજ્ઞાત દલીલ '%s'"
@@ -1028,294 +1028,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Euler નો નંબર"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "સુપરસ્ક્રિપ્ટ મોડ [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "સુપરસ્ક્રિપ્ટ મોડ [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "વૈજ્ઞાનિક એક્સપોનન્ટ [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "ઉમેરો [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "બાદ કરો [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "ગુણો [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "ભાગો [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "મોડ્યુલસ ડિવિઝન"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "વધારાનાં વિધેયો"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "એક્સપોનન્ટ [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "ચોરસ [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "ટકા [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "ક્રમગુણિત [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "માનાંક મૂલ્ય [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "કઠીન દલીલ"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "કઠીન અનુબદ્ધ"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "રુટ [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "વર્ગમૂળ [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "લઘુગણક"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "પ્રાકૃતિક લઘુગણક"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "સાઈન "
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "કોસાઈન"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "ટેન્જન્ટ"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "હાઇપરબોલિક સાઇન"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "હાઇપરબોલિક કોસાઇન"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "હાયપરબોલિક ટેન્જન્ટ"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "વ્યસ્ત જ્યા"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "વ્યસ્ત કોટિજ્યા"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "વ્યસ્ત સ્પર્શક"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "ઉલટું [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "બુલિયન AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "બુલિયન OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "બુલિયન  એક્સક્લૂસિવ OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "બુલિયન NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "પૂર્ણાંક ભાગ"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "અપૂર્ણાંક ભાગ"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "વાસ્તવિક કમ્પોનન્ટ"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "કાલ્પનિક ઘટક"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "એક પૂરક"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "બે પૂરક"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "જૂથ શરૂ કરો [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "અંતિમ જૂથ [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "પરિણામ ગણો"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "ફેક્ટરાઇઝ [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "પ્રદર્શિત કિંમત દૂર કરો [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "રદ કરવું [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "બમણો ઉતરતો ઘસારો"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "નાણાકીય ગાળાના"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Sum Of The Years Digits ઘસારો"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "સીધી રેખામાં ઉતરતુ"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "બાઇનરી"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "અષ્ટાંકી"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "દશાંશ"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "હેક્ઝાડેસિમલ"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1324,7 +1334,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1332,188 +1342,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "ગોળ"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "માળ"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "છત"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "હસ્તાક્ષર"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " માં "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "પરિવર્તન એકમોને બદલો"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "કોઈ રદ કરવાનો ઈતિહાસ નથી"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "કોઈ રદ કરવાનો ઈતિહાસ નથી"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "સંગ્રહવા માટે કોઈ કિંમત નથી"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "ઊભરાયુ. મોટામાં મોટા શબ્દ માપનો પ્રયત્ન કરો"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "અજ્ઞાત ચલ '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "વિધેય '%s' વ્યાખ્યાયિત થયેલ નથી"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "અજ્ઞાત પરિવર્તન"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "ટોકન '%s' પર મેલફોર્મ થયેલ એક્સપ્રેશન"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "વિચિત્ર સમીકરણ"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "ગણતરી"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "એક પૂર્ણાંક અવયવ જરૂર છે"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "bitwise shift કરવલા માટે કોઈ sane કિંમત નથી"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "દર્શાવેલ કિંમત પૂર્ણાંક નથી"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1521,63 +1531,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "અંશ"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "રેડિયન"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "ઢાળ"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "આપમેળે"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "ચોક્કસ"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "વૈજ્ઞાનિક"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "એંજિનીયરીંગ"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d દશાંશ સ્થળોને બતાવો (_p)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "મદદ ફાઇલને ખોલવામાં અસમર્થ"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1585,7 +1595,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1593,142 +1603,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "અનુવાદક સન્માન"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "કૅલ્ક્યુલેટર (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "જુઓ (_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "મદદ (_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "આધારભૂત (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "અદ્યતન (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "આર્થિક (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "પ્રોગ્રામીંગ (_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "સમાવિષ્ટો (_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "નકલ કરો (_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "ચોંટાડો (_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "છેલ્લી પ્રક્રિયાને રદ કરો (_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "ફરીથી કરો (_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "પસંદગીઓ (_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "બહાર નીકળો (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "વિશે (_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "બુલિયન AND ફક્ત હકારાત્મક પૂર્ણાંકો માટે વ્યાખ્યાયિત થયેલ છે"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "બુલિયન OR ફક્ત હકારાત્મરક પૂર્ણાંક માટે વ્યાખ્યાયિત થયેલ છે"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "બુલિયન XOR ફક્ત હકારાત્મક પૂર્ણાંકો માટે વ્યાખ્યાયિત થયેલ છે"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "બુલિયન NOT ફક્ત હકારાત્મક પૂર્ણાંકો માટે વ્યાખ્યાયિત થયેલ છે"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Shift ફક્ત પૂર્ણાંક કિંમતો માટે શક્ય છે"
 
@@ -1783,7 +1793,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1792,761 +1802,761 @@ msgstr ""
 "નો ગુણાંક છે"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "ઇન્વર્સ સાઇન બહારની કિંમતો માટે વ્યાખ્યાયિત થયેલ નથી [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "ઇન્વર્સ કોસાઇન બહારની કિંમતો માટે વ્યાખ્યાયિત થયેલ નથી [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "ઇન્વર્સ હાઇપરબૉલિક કોસાઇન એક કરતા ઓછી કિંમતો માટે વ્યાખ્યાયિત થયેલ નથી"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s અંશ"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "અંશ,અંશ,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s સમત્રિજ્યાકોણ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "રેડિઅન,રેડિઅન,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s ઢાળ"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "પાર્સેક"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "પાર્સેક,પાર્સેક,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "પ્રકાશ વર્ષ"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "પ્રકાશવર્ષ,પ્રકાશવર્ષ, ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "એસ્ટ્રોનોમિકલ એકમો"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "નોટિકલ માઇલ્સ"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "માઇલ"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "માઈલ,માઈલ,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "કિલોમીટર"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "કિલોમીટર,કિલોમીટર,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "કૅબલ"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "કૅબલ,કૅબલ,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "ફૅધમ"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "ફૅધમ,ફૅધમ,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "મીટરો"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "મીટર,મીટર,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "યાર્ડ"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "યાર્ડ,યાર્ડ,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "ફીટ"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "ફુટ,ફીટ,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ઇંચ"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "ઇંચ, ઇંચ, in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "સેન્ટીમીટર"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "સેન્ટીમીટર, સેન્ટીમીટરો, cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "મિલિમીટર"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "મિલિમીટર,મિલિમીટર,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "માઇક્રોમીટર"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "માઇક્રોમીટર,માઇક્રોમીટર,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "નેનોમીટર"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "નેનોમીટર,નેનોમીટર,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "હેક્ટર"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "હેક્ટર,હેક્ટર,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "એકર"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s એકર"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "એકર,એકર"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "ચોરસ મીટર"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "ચોરસ સેન્ટીમીટર"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "ચોરસ મિલીમીટર"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "ઘન મીટર"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "ગૅલન"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "ગૅલન,ગૅલન,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "લીટર"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "લીટર,લીટર,લીટર,લીટર,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "ક્વૉર્ટ"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "ક્વૉર્ટ,ક્વૉર્ટ,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "પાઇન્ટ"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "પાઇન્ટ,પાઇન્ટ,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "મિલિલીટર"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "મિલિલીટર,મિલિલીટર,મિલિલીટર,મિલિલીટર,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "માઇક્રોલીટર"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "ટન"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ટન,ટન"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "કિલોગ્રામ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "કિલોગ્રામ,કિલોગ્રામ,કિલોગ્રામ,કિલોગ્રામ,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "પાઉન્ડ"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "પાઉન્ડ,પાઉન્ડ,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "આઉન્સ"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "આઉન્સ,આઉન્સ,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "ગ્રામ"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "ગ્રામ,ગ્રામ,ગ્રામ,ગ્રામ,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "વર્ષો"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s વર્ષ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "વર્ષ, વર્ષ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "દિવસ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s દિવસ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "દિવસ,દિવસ"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "કલાક"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s કલાક"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "કલાક, કલાક"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "મિનિટ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s મિનિટ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "મિનિટ,મિનિટ"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "સેકંડો"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "સેકંડ,સેકંડ,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "મિલિસેકંડ"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "મિલિસેકંડ,મિલિસેકંડ,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "માઇક્રોસેકંડ"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "માઇક્રોસેકંડ,માઇક્રોસેકંડ,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "સેલ્સીઅસ"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "ફેરન્હાઇટ"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "કેલ્વિન"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "રેન્કિન"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "ખૂણો"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "લંબાઇ"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "વિસ્તાર"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "કદ"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "વજન"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "સમયગાળો"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "ઉષ્ણતામાન"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "ચલણ"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ha.po b/po/ha.po
index 6efb784..60a52c6 100644
--- a/po/ha.po
+++ b/po/ha.po
@@ -2,251 +2,291 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
 "Language-Team: Hausa (https://www.transifex.com/mate/teams/13566/ha/)\n"
+"Language: ha\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: ha\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +295,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +332,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Fifiko"
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr "_Rufe"
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +909,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +925,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +933,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1260,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1100 +1268,1199 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
-msgstr "yabo ga-mai fassara"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
+msgstr ""
+
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:325
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:362
+#, c-format
+msgid ""
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
+msgstr ""
+
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr "yabo ga-mai fassara"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Taimako"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Kayan Ciki"
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Warware"
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Fifiko"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Game da"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/he.po b/po/he.po
index e4a3fd1..4f86314 100644
--- a/po/he.po
+++ b/po/he.po
@@ -9,15 +9,16 @@
 # haxoc c11 <[email protected]>, 2020
 # Yaron Shahrabani <[email protected]>, 2020
 # shy tzedaka <[email protected]>, 2020
+# 63f334ffc0709ba0fc2361b80bf3c0f0_00ffd1e <ab96c93ca0ac55ba7fa06385427e60dd_878890>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: shy tzedaka <[email protected]>, 2020\n"
-"Language-Team: Hebrew (https://www.transifex.com/mate/teams/13566/he/)\n"
+"Last-Translator: 63f334ffc0709ba0fc2361b80bf3c0f0_00ffd1e <ab96c93ca0ac55ba7fa06385427e60dd_878890>, 2022\n"
+"Language-Team: Hebrew (https://app.transifex.com/mate/teams/13566/he/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -55,7 +56,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "זיכרון"
 
@@ -118,7 +119,7 @@ msgstr "קבוע"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "משך הצבירה"
 
@@ -218,7 +219,7 @@ msgstr "_עלות:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "ערך עתידי"
 
@@ -248,7 +249,7 @@ msgstr "_תשלום תקופתי:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "שיעור הרווח הגולמי"
 
@@ -268,7 +269,7 @@ msgstr "_שוליים:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "תשלום תקופתי"
 
@@ -293,7 +294,7 @@ msgstr "_עיקרון:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "ערך נוכחי"
 
@@ -309,7 +310,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "שער ריבית תקופתי"
 
@@ -473,7 +474,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "הוספת קוד תו"
 
@@ -523,7 +524,7 @@ msgid "64-bit"
 msgstr "64-סיביות"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "העדפות"
 
@@ -583,12 +584,12 @@ msgstr ""
 "MATE. אם מעניין אותך לדעת עוד על MATE ועל המחשבון של MATE, נא לבקר בדף הבית "
 "של המיזם."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "המחשבון של MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "מחשבון"
 
@@ -950,12 +951,12 @@ msgstr "בוליבר ונצואלי"
 msgid "South African Rand"
 msgstr "ראנד דרום אפריקאי"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "שגיאה: מספר התקופות חייב להיות ערך חיובי"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -966,7 +967,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -983,7 +984,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1003,7 +1004,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1013,13 +1014,13 @@ msgstr ""
 "  -s, --solve <equation>          Solve the given equation"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument --solve requires an equation to solve"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Unknown argument '%s'"
@@ -1034,294 +1035,304 @@ msgstr "פאי [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "קבוע אוילר"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "נקודה עשרונית"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "מצב כתב תחתי [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "מצב כתב עילי [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "מעריך מדעי [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "חיבור [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "חיסור [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "כפל [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "חילוק [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "חילוק עם שארית"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "פונקציות נוספות"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "קבועים נוספים"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "מעריך [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "ריבוע [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "אחוזים [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "עצרת [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "ערך מוחלט [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "הארגומנט המרוכב"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "צמוד מרוכב "
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "שורש [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "שורש ריבועי [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "לוגריתם"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "לוגוריתם טבעי"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "סינוס"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "קוסינוס"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "טנגנס"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "סינוס היפרבולי"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "קוסינוס היפרבולי"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "טנגנס היפרבולי"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "סינוס הופכי"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "קוסינוס הופכי"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "טנגנס הופכי"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "היפוך [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "AND לוגי"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "OR לוגי"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "XOR לוגי"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NOT לוגי"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "החלק השלם"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "חלק השבר"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "רכיב ממשי"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "רכיב מדומה"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "משלים לאחד"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "משלים לשתיים"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "התחלת קבוצת חישובים [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "סגירת קבוצת חישובים [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "חישוב תוצאה"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "פירוק לגורמים [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "מחיקת התצוגה [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "ביטול [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "הזזה שמאלה [>>]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "הזזה ימינה [<<]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "פחת בשיטת יתרה פוחתת כפולה"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "תקופה חשבונאית"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "פחת לפי סכום ספרות"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "פחת בשיטת קו ישר"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "בינרי"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "אוקטלי"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "עשרוני"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "הקסדצימלי"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1332,7 +1343,7 @@ msgstr[3] "_%d מקומות"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1342,188 +1353,188 @@ msgstr[2] "%d מקומות"
 msgstr[3] "%d מקומות"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "עיגול"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "רצפה"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "תקרה"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "סימן"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "מהירות האור"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 מ׳ לשנייה"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "קבוע מגנטי"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "‎1.2566370614×10⁻⁶ N/A²‎"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "קבוע חשמלי"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "‎8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "קבוע של ניוטון לכבידה"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "‎6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "קבוע פלאנק"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "‎6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "מטען יסודי"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "‎1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "מסת מנוחה של אלקטרון"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "‎9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "מסת פרוטון"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "‎1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "קבוע אבוגדרו"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "‎6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " תחת "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "החלפת יחידות ההמרה"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "אין היסטוריית ביטול"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "אין היסטוריית שחזור"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "אין ערך שפוי לשמירה"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "הצפה, יש לנסות גודל word גדול יותר"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "המשתנה '%s' אינו מוכר"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "הפונקציה '%s' אינה מוגדרת"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "המרה בלתי מוכרת"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "ביטוי שגוי לאסימון '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "ביטוי שגוי"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "מתבצע חישוב"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "נדרש שלם חיובי כדי לפרק לגורמים"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "אין ערך שפוי לביצוע הזזת סיביות"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "הערך המוצג איננו שלם חיובי"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1531,63 +1542,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "מעלות"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "רדיאנים"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "גראדיאנים"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "אוטומטי"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "קבועה"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "מדעי"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "הנדסה"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "הצגת %d _מקומות עשרוניים"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "לא ניתן לפתוח את קובץ העזרה"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "סאן מיקרוסיסטמס"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "צוות התיעוד של MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1598,7 +1609,7 @@ msgstr ""
 "הרישיון הציבורי הכללי של GNU כפי שפורסם על ידי קרן התכנה החופשית, בין אם "
 "גרסה 2 של הרישיון או (לשיקולך) גרסה עדכנית יותר שלו."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1609,7 +1620,7 @@ msgstr ""
 " למסחריות או התאמה לשימוש מסוים. ניתן לעיין ברישיון הציבורי הכללי של GNU "
 "לפרטים נוספים."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1619,7 +1630,7 @@ msgstr ""
 "אם לא, יש לכתוב אל Free Software Foundation, Inc., 51 Franklin Street, Fifth"
 " Floor, Boston, MA 02110-1301, USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1628,128 +1639,128 @@ msgstr ""
 "מחשבון עם מצבים כלכליים ומדעיים.\n"
 "נעשה שימוש ב־GNU MPFR %s וב־GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "על אודות המחשבון של MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Yaron Shahrabani <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_מחשבון"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_מצב"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_תצוגה"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "ע_זרה"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_בסיסי"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_מתקדם"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_פיננסי"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_תכנות"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "הי_סטוריה"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_תוכן עניינים"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "ה_עתק"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "ה_דבק"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_ביטול"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_ביצוע שוב"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "מ_חיקת ההיסטוריה"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "ה_עדפות"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_יציאה"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "על _אודות"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "AND לוגי מוגדר רק עבור שלמים חיוביים"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "OR לוגי מוגדר רק עבור שלמים חיוביים"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "XOR לוגי מוגדר רק עבור שלמים חיוביים"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "NOT לוגי מוגדר רק עבור שלמים חיוביים"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "ניתן לבצע הזזה רק על מספרים שלמים וחיוביים"
 
@@ -1804,767 +1815,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "פונקציית זטא של רימן מוגדרת רק עבור מספרים ממשיים ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr "טנגנס אינו מוגדר עבור זוויות שהן כפולות של π ‏(180°) החל מ־π∕2 ‏(90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "סינוס הפוך אינו מוגדר עבור ערכים מחוץ לטווח ‎[-1, 1]‎"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "קוסינוס הפוך אינו מוגדר עבור ערכים מחוץ לטווח ‎[-1, 1]‎"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "פונקציית ארקטנגנס אינה מוגדרת עבור הערכים i ו־‎-i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "קוסינוס היפרבולי הפוך אינו מוגדר עבור ערכים הקטנים מאחד"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr "ארקסינוס היפרבולי אינו מוגדר עבור ערכים מחוץ לטווח (‎-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s מעלות"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "מעלה,מעלות"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s רדיאנים"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "רדיאן,רדיאנים"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s גרדיאנים"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "גרדיאן,גרדיאנים"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "פארסק"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s פרסק"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "פרסק,פרסקים,פארסק,פארסקים"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "שנות אור"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s שנות אור"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "שנת אור,שנות אור"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "יחידות אסטרונומיות"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s י״א"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "י״א"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "מיל ימי"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s ננומטר"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "ננומטר"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "מילים"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s מיל"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "מיל,מילים"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "קילומטרים"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s ק״מ"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "קילומטר,קילומטרים,ק״מ"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "כבל"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s כבל"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "כבל,כבלים"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "פתום"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s פאתום"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "פאתום,פאתומים,פאדום,פאדומים"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "מטרים"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s מטרים"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "מטר,מטרים,מ׳,מ'"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "יארד"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s יארד"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "יארד,יארדים"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "רגל"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s רגל"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "רגל,רגלים,רגליים"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "אינטשים"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s אינצ׳ים"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "אינץ׳,אינצ׳ים,אינטש,אינטשים"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "סנטימטרים"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s ס״מ"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "סנטימטר,סנטימטרים,ס״מ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "מילימטרים"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s מ״מ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "מילימטר,מילימטרים,מ״מ"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "מיקרומקטרים"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s מיקרומטר"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "מיקרומטר,מיקרומטרים,מיקרון,מיקרונים"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "ננומטרים"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s ננומטר"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "ננומטר,ננומטרים,נ״מ,נ\"מ"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "הקטר"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s הקטאר"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "הקטאר,הקטארים,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "אקר"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s אקר"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "אקר,אקרים,אקרות"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "מטר מעוקב"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s מ׳²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "מ׳²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "סנטימטר מעוקב"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s ס״מ²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "ס״מ²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "מילימטר מעוקב"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s מ״מ²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "מ״מ²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "מטרים מעוקבים"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s מ׳³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "מ׳³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "גלון"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s גלון"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "גלון,גלונים"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "ליטרים"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s ל׳"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "ליטר,ליטרים,ל׳,ל'"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "רבע גלון"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "רבע גלון, רבעי גלון,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "פיינט"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s פיינט"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "פיינט,פיינטים,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "מיליליטרים"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s מ״ל"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "מיליליטר,מיליליטרים,מ״ל,מ\"ל"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "מיקרוליטר"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s מיקרוליטרים"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "מ״מ³,מיקרוליטר,מיקרוליטרים"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "טונות"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s טון"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "טון,טונות"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "קילוגרמים"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s ק״ג"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "קילוגרם,קילוגרמים,ק״ג"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "ליברה"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s ליברות"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "ליברה,ליברות,פאונד,פאונדים,lbs"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "אונקיות"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s אונקיות"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "אונקיה,אונקיות,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "גרמים"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s ג׳"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "גרם,גרמים,ג׳,ג',g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "שנים"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s שנים"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "שנה,שנים,שנתיים"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "ימים"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ימים"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "יום,ימים,יומיים"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "שעות"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s שעות"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "שעה,שעות,שעתיים"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "דקות"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s דקות"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "דקה,דקות"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "שניות"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s ש׳"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "שנייה,שניות,ש׳,ש'"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "מילישניות"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s מ״ש"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "מילישנייה,מילישניות,מ״ש"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "מיקרושניות"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s מיקרושנייה"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "מיקרושנייה,מיקרושניות"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "צלזיוס"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "מעלות צלזיוס,degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "פרנהייט"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "מעלות פרנהייט,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "קלווין"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "רנקין"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "מעלות רנקין,˚R"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "זווית"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "אורך"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "שטח"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "נפח"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "משקל"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "משך זמן"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "טמפרטורה"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "מטבע"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s%s"
diff --git a/po/hi.po b/po/hi.po
index ca9bc1c..a49dd1a 100644
--- a/po/hi.po
+++ b/po/hi.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Hindi (https://www.transifex.com/mate/teams/13566/hi/)\n"
+"Language-Team: Hindi (https://app.transifex.com/mate/teams/13566/hi/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "मेमोरी"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "मिश्रित पद"
 
@@ -216,7 +216,7 @@ msgstr "लागत (_o):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "भविष्य मान"
 
@@ -246,7 +246,7 @@ msgstr "कालिक भुगतान (_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "कुल लाभांश"
 
@@ -266,7 +266,7 @@ msgstr "हाशिया (_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "आवधिक भुगतान"
 
@@ -292,7 +292,7 @@ msgstr "प्रधान (_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "वर्तमान मान"
 
@@ -308,7 +308,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "कालिक ब्याज दर"
 
@@ -476,7 +476,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "अक्षर जोड़ें कोड"
 
@@ -526,7 +526,7 @@ msgid "64-bit"
 msgstr "64-बिट"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "वरीयताएँ"
 
@@ -581,12 +581,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "माटे कैल्क्यलेटर"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "गणक"
 
@@ -948,12 +948,12 @@ msgstr "वेनेजुएलियन वोलिवार"
 msgid "South African Rand"
 msgstr "दक्षिण अफ्रीका रैंड"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "त्रुटि: अवधियों की संख्या जरूर धनात्मक होनी चाहिए"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -964,7 +964,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -981,7 +981,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1001,7 +1001,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1011,13 +1011,13 @@ msgstr ""
 "  -s, --solve <equation>          Solve the given equation"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument --solve requires an equation to solve"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "अज्ञात वितर्क '%s'"
@@ -1032,294 +1032,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "इयुलर संख्या"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "उपस्क्रिप्ट विधि [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "उपस्क्रिप्ट विधि [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "वैज्ञानिक घटक [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "जोड़ें [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "घटाना [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "गुणा [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "भाग [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "मौड्यूलस विभाजन"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "अतिरिक्त फंक्शन्स"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "घातांक [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "वर्ग [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "प्रतिशत [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "फैक्टोरियल [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "निरपेक्ष मान [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "जटिल तर्क"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "जटिल कंजुगेट"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Root [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "वर्गमूल [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "लघुगणक"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "प्राकृतिक लघुगणक"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "ज्या"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "कोसाइन"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "स्पर्शज्या"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "अतिपरवलयिक साइन"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "अतिपरवलयिक कोसाइन"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "अतिपरवलयिक टैन्जेन्ट"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "इनवर्स साइन"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "इनवर्स कोसाइन"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "इनवर्स टैन्जन्ट"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "उलटा [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "बूलियन AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "बूलियन OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "बुलियन एक्सक्लुसिव या"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "बूलियन NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "पूर्णांक घटक"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "फैक्टोरियल घटक"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "वास्तविक घटक"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "काल्पनिक घटक"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "एक का पूरक"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "दो का पूरक"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "समूह आरंभ करें [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "समूह समाप्त करें [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "परिणाम गणना"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "फैक्टोराइज [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "प्रदर्शन साफ करें [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "पहले जैसा [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "दोहरी घटती कमी"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "वित्तीय पद"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "साल के अंक कमी का जोड़"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "सीधी पंक्ति कमी"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "द्विचर"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "ओक्टल"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "दशांश"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "हेक्साडेसीमल"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1328,7 +1338,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1336,188 +1346,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "गोल"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "फर्श"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "छत"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "हस्ताक्षर करें"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " में "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "रूपांतरण इकाई बदलें"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "कोई वापस लेना इतिहास नहीं"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "वापस लेने का कोई इतिहास नहीं"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "भंडारन के लिये कोई सेन मान नहीं"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "अतिप्रवाह. किसी बड़े शब्द आकार आजमाएँ"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "अज्ञात चर '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "प्रकार्य '%s' परिभाषित नहीं"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "अज्ञात वार्तालाप"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "विकृत वाक्यांश इस टोकन पर '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "विरूपित अभिव्यक्ति"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "गणना कर रहा है"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "फैक्टराइज करने के लिए किसी पूर्णांक की जरूरत"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "बिटवाइज शिफ्ट के लिये कोई सेन मान नहीं"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "दिखाया गया मान पूर्णांक नहीं"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1525,63 +1535,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "डिग्री"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "रेडियन"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "ग्रेडियन"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "स्वचालित"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "स्थिर"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "वैज्ञानिक"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "इंजीनियरिंग"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d दशमलव स्थान तक दिखाएँ (_p)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "मदद फाइल खोलने में असमर्थ"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1589,7 +1599,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1597,31 +1607,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "राजेश रंजन ([email protected])\n"
@@ -1630,113 +1640,113 @@ msgstr ""
 "राघवन गोपालकृष्णन्  ([email protected])"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "गणक (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_मोड़"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "देखें (_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "मदद (_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "मौलिक (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "उन्नत (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "वित्तिय (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "प्रोग्रामिंग (_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "विषय सूची (_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "प्रतिलिपि (_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "चिपकाएँ (_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "पहले जैसा (_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "फिर करें (_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "वरीयताएँ (_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "बाहर जाएँ (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "परिचय (_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "बुलियन AND केवल धनात्मक पूर्णांक के लिए परिभाषित है"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "बुलियन OR केवल धनात्मक पूर्णांक के लिए परिभाषित है"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "बुलियन XOR केवल धनात्मक पूर्णांक के लिए परिभाषित है"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "बुलियन NOT केवल धनात्मक पूर्णांक के लिए परिभाषित है"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "पूर्णांक मानों पर केवल शिफ्ट संभव है"
 
@@ -1791,7 +1801,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1800,760 +1810,760 @@ msgstr ""
 "हैं"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "विभिन्न साइनों [-1, 1] के लिए अपरिभाषित है"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "विलोम कोसाइन [-1, 1] के लिए अपरिभाषित है"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "उल्टा हाइपरबोलिक कोसाइन अपरिभाषित है जो इससे कम है"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s डिग्री"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "डिग्री, डिग्रीज, डिग्री"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s रेडियन"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "रेडियन, रेडियन्स, रेड"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s ग्रेडियन्स"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "ग्रेडियन, ग्रेडियन्स, ग्रैड"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "पारसेक"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "प्रकाश वर्ष"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "ब्रह्मांडीय इकाई"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "नॉटिकल मील"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "मील"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "मील,मील,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "किलोमीटर"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s किमी"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "किलोमीटर, किलोमीटर, किमी, किलोमीटर"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "केबल"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "केबल, केबल्स, सीबी"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "फैदम"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "फैदम, फैदम्स, ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "मीटर"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s मी"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "मीटर, मीटर्स, मी"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "गज"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "गज, गज, गज"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "फीट"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s फीट"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "फुट, फीट, ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "इंचेस"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "इंच,इंच,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "सेन्टीमीटर"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "सेंटीमीटर, सेंटीमीटर, सीएम, सीएमएस"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "मिलीमीटर्स"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s मिमी"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "मिलीमीटर , मिलीमीटर, मिमी"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "माइक्रोमीटर"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "माइक्रोमीटर, माइक्रोमीटर, um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "नैनोमीटर"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "नैनोमीटर, नैनोमीटर, nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "हेक्टामीटर"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "हेक्टेयर, हेक्टेयर, ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "एकड़"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s एकड़"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "एकड़,एकड़"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "वर्ग मीटर"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "वर्ग सेन्टीमीटर"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "वर्ग मिलीमीटर "
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "घन मीटर"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "गैलन"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "गैलन, गैलन, गैल"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "लीटर"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "लीटर, लीटर्स, लीटर, लीटर्स, L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "क्वार्ट्स"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "क्वार्ट, क्वार्ट्स, qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "पिंट्स"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "मिलीलीटर"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "मिलीलीटर, मिलीलीटर, मिलीलीटर,मिलीलीटर, mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "माइक्रोलीटर"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "टन"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "टन, टन"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "किलोग्राम"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s किग्रा"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "किलोग्राम, किलोग्राम, किलोग्राम,किलोग्राम, किलोग्राम, किग्रा, किग्रा"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "पाउंड"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "पाउंड, पाउंड, lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "औंस"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "औंस, औंस, oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "ग्राम"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "ग्राम, ग्राम, ग्राम, ग्राम, g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "वर्ष"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s वर्ष"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "वर्ष, वर्ष"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "दिन"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s दिन"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "दिन, दिन"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "घंटे"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s घंटे"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "घंटे, घंटे भर"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "मिनट"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s मिनट"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "मिनट, मिनट"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "सेकेंड"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "सेंकेंड, सेंकेंड, से"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "मिलीसेंकेंड"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "मिलीसेंकेंड, मिलीसेंकेंड, मिलीसे."
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "माइक्रोसेंकेंड"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "माइक्रोसेंकेंड, माइक्रोसेंकेंड, us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "सेल्सियस"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "फारेनहाइट"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "केल्विन"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "कि.बा."
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "कोण"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "लंबाई"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "क्षेत्र"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "आवाज़"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "भार"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "अवधि"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "तापमान"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "मुद्रा"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/hr.po b/po/hr.po
index 3882d3d..e389d5e 100644
--- a/po/hr.po
+++ b/po/hr.po
@@ -4,20 +4,20 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Tomislav Krznar <[email protected]>, 2018
 # Elvis M. Lukšić <[email protected]>, 2018
 # Bole <[email protected]>, 2019
 # Ivica  Kolić <[email protected]>, 2020
 # Stefano Karapetsas <[email protected]>, 2020
+# Tomislav Krznar <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Croatian (https://www.transifex.com/mate/teams/13566/hr/)\n"
+"Last-Translator: Tomislav Krznar <[email protected]>, 2022\n"
+"Language-Team: Croatian (https://app.transifex.com/mate/teams/13566/hr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -55,7 +55,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memorija"
 
@@ -118,7 +118,7 @@ msgstr "konst"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -214,7 +214,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Buduća vrijednost"
 
@@ -242,7 +242,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -260,7 +260,7 @@ msgstr "_Margina:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodična plaćanja"
 
@@ -284,7 +284,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Sadašnja vrijednost"
 
@@ -298,7 +298,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -451,7 +451,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -501,7 +501,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Prilagodbe"
 
@@ -556,12 +556,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE kalkulator"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulator"
 
@@ -921,12 +921,12 @@ msgstr "Venecuelanski bolivar"
 msgid "South African Rand"
 msgstr "Južnoafrički rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -935,7 +935,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -947,7 +947,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -960,7 +960,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -968,13 +968,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Nepoznati argument '%s'"
@@ -989,294 +989,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Eulerov broj"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Decimalna točka"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Zbroji  [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Oduzmi [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Pomnoži  [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Podijeli [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Dodatne funkcije"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Eksponent [^ ili **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kvadrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Postotak [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Apsolutna vrijednost [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritam"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Prirodni logaritam"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Logičko \"I\""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Logičko \"ILI\""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Logičko \"Isključivo ILI\""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Logično \"NE\""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Izračunaj rezultat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binarni"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktalni"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimalni"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heksadecimalni"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1286,7 +1296,7 @@ msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1295,188 +1305,188 @@ msgstr[1] ""
 msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Najmanje cijelo (zaokruživanje na manje)"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Najveće cijelo (zaokruživanje na više)"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Vrijednost se ne može spremiti"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Nepoznata vrijabla '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funkcija '%s' nije definirana"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Krivo formiran izraz"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Računam"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1484,63 +1494,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Stupnjevi"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radijani"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatski"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Znanstveni način"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Nije moguće otvoriti datoteku pomoći"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE dokumentacijski tim"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1548,7 +1558,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1556,31 +1566,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Prijevod na Transifexu:\n"
@@ -1608,113 +1618,113 @@ msgstr ""
 "  young https://launchpad.net/~davorin-sego"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Način rada"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Pogled"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Pomoć"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Napredno"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Sadržaj"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopiraj"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Zalijepi"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Poništi"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Ponovi"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Prilagodbe"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Završi"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_O programu"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Logičko \"I\" je dozvoljeno samo za pozitivne cijele brojeve"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Logičko \"ILI\" je dozvoljeno samo za pozitivne cijele brojeve"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Logičko \"Isključivo ILI\" je dozvoljeno samo za pozitivne cijele brojeve"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Logičko \"NE\" je dozvoljeno samo za pozitivne cijele brojeve"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1769,767 +1779,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inverz sinusa nije definiran za vrijednosti izvan intervala [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s stupnjeva"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radijana"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Svjetlosne godine"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomske jedinice"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Nautičke milje"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milje"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometri"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometar,kilometri,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kabeli"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabel,kabeli,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metri"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "matar,metri,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Jardi"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jard,jardi,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Stopa"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inči"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inč,inči,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centrimetri"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimetar,centimetri,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetri"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimetar,milimetri,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikometri"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometar,mikrometri,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometri"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometar,nanometri,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektar"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektar,hektari,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Ari"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s ara"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "ar,ari"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Kvadratni metri"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Kvadratni centimetri"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Kvadratni milimetri"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubični metri"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galoni"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galon,galoni,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litre"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitri"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikrolitra"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tona"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tona,tone"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogram"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gram"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Godine"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dani"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dana"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dan,dani"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Sati"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s sati"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "sat,sati"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minute"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minute"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuta,minute"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekunde"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekunda,sekunde,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisekunde"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisekunda,milisekunde,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekunde"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekunda,mikrosekunde,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celzij"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Kut"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Glasnoća"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Težina"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Trajanje"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/hu.po b/po/hu.po
index 06747d1..4409797 100644
--- a/po/hu.po
+++ b/po/hu.po
@@ -9,16 +9,16 @@
 # KAMI KAMI <[email protected]>, 2019
 # Wolfgang Ulbrich <[email protected]>, 2019
 # Balázs Meskó <[email protected]>, 2019
-# Stefano Karapetsas <[email protected]>, 2020
+# Stefano Karapetsas <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Hungarian (https://www.transifex.com/mate/teams/13566/hu/)\n"
+"Last-Translator: Stefano Karapetsas <[email protected]>, 2022\n"
+"Language-Team: Hungarian (https://app.transifex.com/mate/teams/13566/hu/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -56,7 +56,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memória"
 
@@ -119,7 +119,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Időszakok száma"
 
@@ -220,7 +220,7 @@ msgstr "_Költség:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Jövőérték"
 
@@ -251,7 +251,7 @@ msgstr "_Rendszeres pénzáramlás:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Bruttó haszon"
 
@@ -271,7 +271,7 @@ msgstr "Á_rrés"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Rendszeres pénzáramlás"
 
@@ -297,7 +297,7 @@ msgstr "_Tőke:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Jelenérték"
 
@@ -314,7 +314,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Időszakra vonatkozó kamatláb"
 
@@ -482,7 +482,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Karakterkód beszúrása"
 
@@ -532,7 +532,7 @@ msgid "64-bit"
 msgstr "64 bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Beállítások"
 
@@ -587,12 +587,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE számológép"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Számológép"
 
@@ -954,12 +954,12 @@ msgstr "Venezuelai bolivár"
 msgid "South African Rand"
 msgstr "Dél-afrikai rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Hiba: a periódusok számának pozitívnak kell lennie"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -970,7 +970,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -987,7 +987,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1008,7 +1008,7 @@ msgstr ""
 "  --g-fatal-warnings              Minden figyelmeztetés végzetes legyen"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1018,13 +1018,13 @@ msgstr ""
 "  -s, --solve <egyenlet>          A megadott egyenlet megoldása"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "A --solve kapcsolóhoz meg kell adni egy megoldandó egyenletet"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Ismeretlen kapcsoló: „%s”"
@@ -1039,294 +1039,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Euler-szám"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Tizedesvessző"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Alsó index mód [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Felső index mód [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Tudományos kitevő [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Összeadás [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Kivonás [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Szorzás [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Osztás [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Maradékos osztás"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "További függvények"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Kitevő [^ vagy **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Négyzet [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Százalék [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktoriális [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Abszolút érték [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Komplex argumentum"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Komplex konjugált"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Gyök [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Négyzetgyök [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmus"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Természetes alapú logaritmus"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangens"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hiperbolikus szinusz"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hiperbolikus koszinusz"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hiperbolikus tangens"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Arkusz szinusz"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Arkusz koszinusz"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Arkusz tangens"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Invertálás [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Logikai ÉS"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Logikai VAGY"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Logikai kizáró VAGY"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Logikai NEM"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Egészrész"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Törtrész"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Valós rész"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Képzetes rész"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "1-es komplemens"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "2-es komplemens"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Csoport kezdete [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Csoport vége [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Számítás elvégzése"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktorizálás [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "A kijelző törlése [Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Visszavonás [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Eltolás balra [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Eltolás jobbra [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Progresszív értékcsökkenési leírás"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Pénzügyi év"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Évek száma szerinti értékcsökkenési leírás"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Lineáris értékcsökkenési leírás"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Kettes (bináris)"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Nyolcas (oktális)"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Tizes (decimális)"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Tizenhatos (hexadecimális)"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1335,7 +1345,7 @@ msgstr[1] "_%d jegy"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1343,188 +1353,188 @@ msgstr[0] "%d jegy"
 msgstr[1] "%d jegy"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Kerekítés"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Alsó egészrész"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Felső egészrész"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Előjel"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " ebben: "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Mértékegységek cseréje"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "A visszavonási műveletnek nincsenek előzményei"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "A mégis műveletnek nincsenek előzményei"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Nincs tárolható ép kifejezés"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Túlcsordulás. Próbálja nagyobb szóhosszal."
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Ismeretlen változó: „%s”"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "A függvény („%s”) nincs meghatározva"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Ismeretlen konverzió"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Hibás kifejezés a(z) „%s” jelnél"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Hibás kifejezés"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Számítás"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "A faktorizáláshoz egész szám szükséges"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Nincs értelmes érték a bitenkénti eltoláshoz"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "A megjelenített érték nem egész"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1532,63 +1542,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Fok"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radián"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradián"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatikus"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Rögzített"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Tudományos mód"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Műszaki"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d decimális _hely megjelenítése"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "A súgófájl nem nyitható meg"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE dokumentációs csapat"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1599,7 +1609,7 @@ msgstr ""
 "Software Foundation által kiadott GNU General Public License rendelkezései "
 "szerint, a licenc 2-es vagy későbbi verziója szerint."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1611,31 +1621,31 @@ msgstr ""
 "alkalmas-e az ELADHATÓSÁGRA vagy EGY BIZONYOS FELADAT ELVÉGZÉSÉRE. További "
 "részletekért tanulmányozza a GNU GPL licencet."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "A MATE számológép névjegye"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Dvornik László<dvornik at mate dot hu>\n"
@@ -1648,113 +1658,113 @@ msgstr ""
 "Meskó Balázs <mesko dot balazs at fsf dot hu>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Számológép"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mód"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Nézet"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Súgó"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Alap"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Speciális"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Pénzügyi"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programozói"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Tartalom"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Másolás"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Beillesztés"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Visszavonás"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Mé_gis"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Beállítások"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Kilépés"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Névjegy"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "A logikai ÉS csak pozitív egészekre van meghatározva"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "A logikai VAGY csak pozitív egészekre van meghatározva"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "A logikai XOR csak pozitív egészekre van meghatározva"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "A logikai NEM csak pozitív egészekre van meghatározva"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "A csúsztatást csak egészekre lehet elvégezni"
 
@@ -1809,7 +1819,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1818,27 +1828,27 @@ msgstr ""
 "többszöröseire"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 "Az inverz szinusz nincs meghatározva a [-1, 1] intervallumon kívüli "
 "értékekre"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 "Az inverz koszinusz nincs meghatározva a [-1, 1] intervallumon kívüli "
 "értékekre"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Az inverz hiperbolikus koszinusz nincs meghatározva az egynél kisebb "
@@ -1846,738 +1856,738 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s fok"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "fok"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radián"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radián,radian,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradián"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradián,gradian,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parszek"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parszek,parsec,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Fényév"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "fényév,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Csillagászati egység"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s CsE"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "CsE,au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Tengeri mérföld"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Mérföld"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mérföld,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilométer"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilométer,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kötélhossz"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kötélhossz,cable,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Fathom"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Méter"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "méter,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yard"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Láb"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "láb,foot,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Hüvelyk"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "hüvelyk,coll,inch,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centiméter"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centiméter,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milliméter"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milliméter,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrométer"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrométer,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanométer"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanométer,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektár"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektár,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acre"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acre"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Négyzetméter"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Négyzetcentiméter"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Négyzetmilliméter"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Köbméter"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallon"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liter"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liter,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quart"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pint"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Milliliter"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "milliliter,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikroliter"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonna"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonna"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramm"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilogramm,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Font"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "font,pound,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Uncia"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "uncia,ounce,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramm"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,gramm,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Év"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s év"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "év"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Nap"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s nap"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "nap"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Óra"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s óra"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "óra"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Perc"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s perc"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "perc"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Másodperc"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "perc,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Ezredmásodperc"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "ezredmásodperc,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikromásodperc"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikromásodperc,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius fok"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Szög"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Hossz"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Terület"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Hangerő"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Tömeg"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Időtartam"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Hőmérséklet"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Pénznem"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/hy.po b/po/hy.po
index e3ffd0d..f1858de 100644
--- a/po/hy.po
+++ b/po/hy.po
@@ -7,16 +7,16 @@
 # Davit Mayilyan <[email protected]>, 2018
 # Avag Sayan <[email protected]>, 2020
 # Stefano Karapetsas <[email protected]>, 2020
-# Siranush <[email protected]>, 2020
+# Siranush <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Siranush <[email protected]>, 2020\n"
-"Language-Team: Armenian (https://www.transifex.com/mate/teams/13566/hy/)\n"
+"Last-Translator: Siranush <[email protected]>, 2022\n"
+"Language-Team: Armenian (https://app.transifex.com/mate/teams/13566/hy/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -54,7 +54,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Հիշողություն"
 
@@ -117,7 +117,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Բաղադրման ժամկետ"
 
@@ -218,7 +218,7 @@ msgstr "Ա_րժեք"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Ապագա Արժեք"
 
@@ -249,7 +249,7 @@ msgstr "_Պարբերական Վճարում."
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Համախառն շահույթի մարժան"
 
@@ -269,7 +269,7 @@ msgstr "_Գնանցք."
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Պարբերական Վճարում"
 
@@ -295,7 +295,7 @@ msgstr "_Սկզբունքային:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Առկա Արժեք"
 
@@ -311,7 +311,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Պարբերական Տոկոսադրույք"
 
@@ -474,7 +474,7 @@ msgstr "Հշգ"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Մուտքագրել սիմվոլային ծածկագիրը"
 
@@ -524,7 +524,7 @@ msgid "64-bit"
 msgstr "64-բիտ"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Հատկություններ"
 
@@ -579,12 +579,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Հաշվիչ"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Հաշվիչ"
 
@@ -945,12 +945,12 @@ msgstr "Վենեսուելական Բոլիվար"
 msgid "South African Rand"
 msgstr "Հարավային Աֆրիկյան Ռանդ"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Սխալը․ Ժամանակաշրջանների քանակը դրական պիտի լինի"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -961,7 +961,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -978,7 +978,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -998,7 +998,7 @@ msgstr ""
 "  --g-fatal-warnings        Բոլոր զգուշացումները դարձնել ճակատագրական"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1008,13 +1008,13 @@ msgstr ""
 "-s, --solve <equation> Լուծել տրված հավասարումը"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Արգումենտ --լուծման համար պահանջվում է հավասարում"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Անհայտ արգումենտ '%s'"
@@ -1029,294 +1029,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Էյլերի թիվը"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Տասնորդական կետ"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Ձեռագիր ռեժիմ [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Վերտողային ռեժիմ [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Գիտական աստիճանացույց [Ctrl + E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Գումարել [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Հանել [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Բազմապատկել [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Բաժանել [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Բաժանում ըստ մոդուլի"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Լրացուցիչ Ֆունկցիաները"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "էքսպոնենտ [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Քառակուսի [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Տոկոս [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Ֆակտորիալ [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Բացարձակ արժեք [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Կոմպլեքս արգումենտ"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Համալիրը կցորդում"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Արմատ [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Քառակուսի արմատ [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Լոգարիթմ"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Բնական Լոգարիթմ"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Սինուս"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Կոսինուս"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Տանգենս"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Հիպերբոլիկ Սինուս"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Հիպերբոլիկ Կոսինուս"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Հիպերբոլիկ Տանգենս"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Հակադարձ Սինուս"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Հակադարձ Կոսինուս"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Հակադարձ Տանգենս"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Հակադարձ Սինուս [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Տրամաբանական ԵՎ"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Տրամաբանական ԿԱՄ"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Բուլյան Բացառող ԿԱՄ"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Տրամաբանական ՈՉ"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Ամբողջ Կոմպոնենտ"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Կոտորակային Կոմպոնենտ"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Իրական Բաղադրիչ"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Երևակայական Բաղադրիչ"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Մեկի' Համալրում"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Երկուսի Լրացում"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Գործողությունների խմբի սկիզբ [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Խմբի Ավարտ [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Հաշվել Արդյունքը"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Վերլուծել արտադրիչների [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Ջնջել Display [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Հետադարձել [Ctrl +Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Կրկնապատկիր Նվաղող Ամորտիզացիա"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Ֆինանսական Տերմին"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Գումարել Տարի Թվանշանների Ամորտիզացիան"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Ուղիղ Գծի Ամորտիզացիան"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Երկուական"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Ութական"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Տասական"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Տասնվեցական"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1325,7 +1335,7 @@ msgstr[1] "_%d նիշ"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1333,188 +1343,188 @@ msgstr[0] "%d նիշ"
 msgstr[1] "%d նիշ"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Մոտարկում"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Հատակ"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr " Առաստաղ"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Ստորագրել"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "դյմ"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Անջատել փոխարկման միավորները"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Ետարկում հնարավոր չէ"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Կրկնելը հնարավոր չէ"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Պահեստավորման համար թիվը ճիշտ չէ"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Սահմանանց թիվ։ Փորձեք ավելի մեծ չափսի բառ"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Անհայտ փոփոխական '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Ֆունկցիան '%s' սահմանված չէ"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Անհայտ փոխարկում"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Աղավաղված արտահայտության նշան '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Սխալ ձևակերպված արտահայտություն"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Հաշվարկում"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Ամբողջ թիվը պետք է վերլուծել արտադրիչների"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Բիտ-առ-բիտ գործողության կատարման համար թիվը ճիշտ չէ"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Ցուցադրեց արժեք աչ ամբողջաթիվ"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1522,63 +1532,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Աստիճաններ"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Ռադիաններ"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Գռադիաններ"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Ավտոմատ"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Ֆիքսված է"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Գիտական"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ճարտարագիտություն"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Ցույց տալ %d տասնորդական _վայրերը"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Օգնության ֆայլը չհաջողվեց բացել"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE փաստաթղթավորման թիմ"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1586,7 +1596,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1594,142 +1604,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "թարգմանչի կրեդիտներ"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Հաշվիչ"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Ռեժիմ"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Դիտել"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Օգնություն"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "Հ_իմնական"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Ընդլայնված"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Ֆինանսական"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Ծրագրավորման"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Բովանդակություն"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Պատճեն"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Փակցնել"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Հետադարձել"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Կրկնել"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Նախընտրանքներ"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Ելք"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Մասին"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Բուլյան ԵՎ  սահմանվում է միայն դրական ամբողջ թվերի համար"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Բուլյան ԿԱՄ  սահմանվում է միայն դրական ամբողջ թվերի համար"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Բուլյան XOR  սահմանվում է միայն դրական ամբողջ թվերի համար"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Բուլյան ՈՉ սահմանվում է միայն դրական ամբողջ թվերի համար"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Տեղափոխություն հնարավաոր է միայն ամբողջ արժեքների վրա"
 
@@ -1784,7 +1794,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1792,761 +1802,761 @@ msgstr ""
 "Տանգենսը սահմանված չէ անկյունների համար որոնք ընկած են π (180°)֊ից π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Սինուսի հակադարձը սահմանված չէ [-1, 1] ինտերվալից դուրս"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Կոսինուսի հակադարձը սահմանված չէ [-1, 1] ինտերվալից դուրս"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Հիպերբոլային կոսինուսի հակադարձը  սահմանված չէ մեկից փոքր արժեքների համար"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s աստիճաններ"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "աստիճան, աստիճաններ, աստ․"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s ռադիաններ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "ռռադիան, ադիաններ, ռադ․"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s գռադիաններ"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "գռադիան, գռադիաններ, գռադ․"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Պարսեկ"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s պս"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "պարսեկ, պարսեկներ, պս"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Լուսնային Տարիներ"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s լտ"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "լուսատարի, լուսատարիներ, լտ"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Աստղագիտական Միավորներ"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ամ"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ամ"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Ծովային Մղոն"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s ծմղ"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "ծմղ"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Մղոն"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s մղ"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "մղոն, մղոններ, մղ"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr " Կիլոմետր"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s կմ"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "կիլոմետր, կիլոմետրեր,  կմ֊ներ"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Մալուխներ"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s մլ"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "մալուխ, մալուխներ, մլ"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Խորաչափ"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s խչ"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "խորաչափ, խորաչափեր, խչփ"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Մետրեր"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s մ"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "մետր, մետրեր, մ"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Յարդ"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s յդ"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "յարդ, յարդեր, յդ"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Ոտնաչափ"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ոչ"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "ոտնաչափ, ոտնաչափեր, ոչ "
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Դյույմ"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s դյմ"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "դույմ, դույմեր, դյմ"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Սանտիմետր"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s սմ"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "սանտիմետր, սանտիմետրեր, սմ֊ներ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Միլիմետր"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s մմ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "միլիմետր, միլիմետրեր, մմ"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Միկրոմետր"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s մկմ"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "միկրոմետր,միկրոմետրեր, մմ"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Նանոմետր"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s նմ"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "նանոմետր, նանոմետրեր, նմ"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Հեկտար"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s հա"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "հեկտար, հեկտարներ, հա"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Ակրի"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s ակրի"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "ակրի, ակրներ"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Քառակուսի Մետր"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s մ²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "մ²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Սանտիմետր Քառակուսի"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s սմ²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "սմ²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Միլիմետր Քառակուսի"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s մմ²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "մմ²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Մետր Խորանարդ"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s մ³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "մ³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Գալոն"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s գալ"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "գալոն, գալոններ, գալ"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Լիտր"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s  Լ"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "լիտր, լիտրեր, լիտր, լիտրեր, Լ"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Կվարտաներ"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s կտ"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "կվարտա, կվարտաներ, կտ"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Պինտա"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s պտ"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "պինտա, պինտաներ, պտ"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Միլիլիտր"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "միլիլիտր,միլիլիտրեր,միլիլիտր,միլիլիտրեր,մԼ, սմ³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Միկրոլիտր"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Տոննա"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "տոննա, տոննաներ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Կիլոգրամ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s կգ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "կիլոգրամ, կիլոգրամներ,կիլոգրամ,կիլոգրամներ,կգ, կգ֊ներ"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "ֆունտ"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "ֆունտ, ֆունտեր․ դրամ"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ունցիա"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s ունց"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ունցիա, ունցիաներ, ունց"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Գրամ"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s գ"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "գրամ, գրամներ, գրամ, գրամներ, գ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Տարիներ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s տարիներ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "տարի,տարիներ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Օրեր"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s օրեր"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "օր,օրեր"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ժամեր"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ժամեր"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ժամ, ժամեր"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Րոպեներ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s րոպեներ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "րոպե,րոպեներ"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Վայրկյաններ"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "վայրկյան,վայրկյաններ,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Միլիվայրկյաններ"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s մվ"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "միլիվայրկյան, միլիվայրկյաններ, մվ"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Միկրովայրկյաններ"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "միկրովարկյան, միկրովարկյաններ, մկվ"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Ցելսիուս"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "աստC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Ֆարենհեյթ"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "աստF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Կելվին"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "աստR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Անկյուն"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Երկարություն"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Մակերես"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Ձայնածավալ"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Քաշ"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Տևողություն"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Ջերմաստիճան"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Արտարժույթ"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/id.po b/po/id.po
index fe8be9e..506ddbc 100644
--- a/po/id.po
+++ b/po/id.po
@@ -12,17 +12,17 @@
 # Wolfgang Ulbrich <[email protected]>, 2019
 # Chotibul Studio <[email protected]>, 2020
 # Stefano Karapetsas <[email protected]>, 2020
-# Willy Sudiarto Raharjo <[email protected]>, 2020
-# Andika Triwidada <[email protected]>, 2021
+# Willy Sudiarto Raharjo <[email protected]>, 2022
+# Andika Triwidada <[email protected]>, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Andika Triwidada <[email protected]>, 2021\n"
-"Language-Team: Indonesian (https://www.transifex.com/mate/teams/13566/id/)\n"
+"Last-Translator: Andika Triwidada <[email protected]>, 2023\n"
+"Language-Team: Indonesian (https://app.transifex.com/mate/teams/13566/id/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -60,7 +60,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memori"
 
@@ -123,7 +123,7 @@ msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Bunga Berjangka"
 
@@ -223,7 +223,7 @@ msgstr "_Biaya:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Nilai Mendatang"
 
@@ -254,7 +254,7 @@ msgstr "_Pembayaran Berkala:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Margin Keuntungan Bruto"
 
@@ -274,7 +274,7 @@ msgstr "_Margin:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pembayaran Berkala"
 
@@ -300,7 +300,7 @@ msgstr "_Pokok:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Nilai Sekarang"
 
@@ -317,7 +317,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Suku Bunga Berkala"
 
@@ -485,7 +485,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Sisipkan Kode Karakter"
 
@@ -535,7 +535,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferensi"
 
@@ -596,12 +596,12 @@ msgstr ""
 "Lingkungan Desktop MATE. Bila Anda ingin tahu lebih banyak tentang MATE dan "
 "Kalkulator MATE, silakan kunjungi laman beranda proyek."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Calculator"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulator"
 
@@ -964,12 +964,12 @@ msgstr "Bolívar Venezuela"
 msgid "South African Rand"
 msgstr "Rand Afrika Selatan"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Galat: cacah perioda mesti positif"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -980,7 +980,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -997,7 +997,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1017,7 +1017,7 @@ msgstr ""
 "  --g-fatal-warnings              Membuat semua peringatan menjadi fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1027,13 +1027,13 @@ msgstr ""
 "  -s, --solve <equation>          Memecahkan persamaan"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argumen --solve harus diikuti persamaan untuk diselesaikan"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Argumen '%s' tak dikenal"
@@ -1048,294 +1048,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Bilangan Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Unit imajiner"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Titik desimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Mode subskrip [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Mode superskrip [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Eksponen ilmiah [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Tambah [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Kurang [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Kali [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Bagi [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Pembagian modulus"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Fungsi Tambahan"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Konstanta tambahan"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Eksponen [^ atau **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kuadrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Persentase [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Nilai absolut [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argumen kompleks"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Konjugasi kompleks"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Akar [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Akar kuadrat [Ctrl+2]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritma"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritma Natural"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangen"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sinus Hiperbola"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosinus Hiperbola"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangen Hiperbola"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Sin Inverse"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Cosine Inverse"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Tangen Inverse"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverse [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolean AND (DAN)"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolean OR (ATAU)"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolean Eksklusif OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolean NOT (BUKAN/TIDAK)"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Komponen Integer"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Komponen Fraksional"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Komponen Real"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Komponen Imajiner"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Satu Komplemen"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Dua Komplemen"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Awal Kelompok/Himpunan [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Akhir Kelompok/Himpunan [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Hitung Hasil"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Pemfaktoran [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Hapus [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Tak Jadi [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Geser Kiri [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Geser Kanan [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Depresiasi Penurunan Ganda"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Istilah Finansial"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Depresiasi Jumlah dari Digit Tahun (SYD)"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Depresiasi Garis Lurus"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Biner"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Desimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heksadesimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1343,195 +1353,195 @@ msgstr[0] "_%d posisi"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "%d posisi"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Pembulatan"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Pembulatan turun"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Pembulatan naik"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Tanda"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Kecepatan Cahaya"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299.792.458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Konstanta magnetik"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1,2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Konstanta elektrik"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8,85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Konstanta gravitasi Newton"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6,67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Konstanta Planck"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6,62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Muatan elementer"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1,6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Massa elektron"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9,10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Massa proton"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1,672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Konstanta Avogadro"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6,02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " dalam "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Berpindah unit konversi"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Tidak ada riwayat \"tak jadi\""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Tidak ada riwayat \"jadi lagi\""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Belum ada nilai untuk disimpan"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Kelebihan data. Cobalah ukuran huruf yang lebih besar"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variabel tak dikenal '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Fungsi '%s' belum didefinisikan"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Konversi tak dikenal"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Ekspresi salah bentuk pada token '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Ekspresi salah"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Sedang menghitung"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Perlu nilai integer untuk difaktorkan"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Tidak ada nilai yang wajar untuk mengeser bit"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Nilai yang ditampilkan bukan integer"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1539,63 +1549,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Derajat"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radian"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradian"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Otomatis"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Tetap"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Ilmiah"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Teknik"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Tam_pilkan %d angka di belakang koma"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Tidak dapat membuka berkas bantuan"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Tim Dokumentasi MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1607,7 +1617,7 @@ msgstr ""
 "dipublikasikan oleh Free Software Foundation; baik versi 2 dari Lisensi, "
 "atau (terserah pilihan Anda) versi setelahnya."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1618,7 +1628,7 @@ msgstr ""
 "ADANYA JAMINAN; termasuk tanpa jaminan DAYA JUAL atau KELAIKAN UNTUK TUJUAN "
 "TERTENTU. Lihat GNU General Public License untuk rincian lebih lanjut."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1629,7 +1639,7 @@ msgstr ""
 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, "
 "USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1638,11 +1648,11 @@ msgstr ""
 "Kalkulator dengan mode finansial dan ilmiah.\n"
 "Memakai GNU MPFR %s dan GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Tentang Kalkulator MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1650,7 +1660,7 @@ msgstr ""
 "Hak Cipta © 1986–2010 para penulis GCalctool\n"
 "Hak Cipta © 2011-2021 para pengembang MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Mohammad DAMT <[email protected]>\n"
@@ -1658,116 +1668,116 @@ msgstr ""
 "Dirgita <[email protected]>\n"
 "Tim MATE Indonesia <http://id.mate.org>\n"
 "Kukuh Syafaat <[email protected]>, 2017.\n"
-"Andika Triwidada <[email protected]>, 2020, 2021."
+"Andika Triwidada <[email protected]>, 2020, 2021, 2023."
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mode"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Tampilan"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Bantuan"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Dasar"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "L_anjutan"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finansial"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Pemrograman"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Riwayat"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Isi"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Salin"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Tem_pel"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Tak Jadi"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Jadi Lagi"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Bersihkan Riwayat"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferensi"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Keluar"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Tentang"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Boolean AND hanya untuk bilangan integer positif"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Boolean OR hanya untuk bilangan integer positif"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolean XOR hanya untuk bilangan integer positif"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Boolean NOT hanya untuk bilangan integer positif"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Penggeseran hanya untuk bilangan integer"
 
@@ -1822,7 +1832,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "Fungsi Riemann zeta hanya didefinisikan untuk bilangan riil ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1830,762 +1840,762 @@ msgstr ""
 "Tangen tidak didefinisikan untuk sudut kelipatan π (180°) dari π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inverse sinus tidak didefinisikan untuk nilai di luar [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Inverse cosinus tidak didefinisikan untuk nilai di luar [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "Fungsi arctangen tidak didefinisikan untuk nilai i dan -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Inverse cosinus hiperbola tidak didefinisikan untuk nilai kurang dari satu"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "Inverse tangen hiperbola tidak didefinisikan untuk nilai di luar (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s derajat"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "derajat"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radian"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradian"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Tahun Cahaya"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Satuan Astronomi"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Mil Laut"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Mil"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mil"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mil"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometer"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Depa"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s depa"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "depa"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Meter"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yar"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yar"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yar"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Kaki"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s kaki"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "kaki"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inci"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inci,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Sentimeter"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "sentimeter,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimeter"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimeter,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometer"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometer,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometer"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s mil laut"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektar"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektar,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Meter Persegi"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Sentimeter Persegi"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milimeter Persegi"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Meter Kubik"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galon"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galon,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liter"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liter,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quart"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pint"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililiter"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililiter,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikroliter"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Ton"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ton"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogram"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pon"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pon,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ons"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s ons"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ons"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gram"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Tahun"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s tahun"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "tahun"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Hari"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s hari"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "hari"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Jam"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s jam"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "jam"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Menit"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s menit"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "menit"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Detik"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "detik,sekon,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milidetik"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milidetik,milisekon,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrodetik"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrodetik,mikrosekon,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Fahrenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Sudut"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Panjang"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Luas"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Massa"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Waktu"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatur"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Mata Uang"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ie.po b/po/ie.po
index ff823ea..38dcd9b 100644
--- a/po/ie.po
+++ b/po/ie.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Caarmi, 2020\n"
-"Language-Team: Interlingue (https://www.transifex.com/mate/teams/13566/ie/)\n"
+"Language-Team: Interlingue (https://app.transifex.com/mate/teams/13566/ie/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memorie"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Futuri valore"
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferenties"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculator MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculator"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr "Sud-African rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -966,13 +966,13 @@ msgstr ""
 "  -s, --solve <equation>          Solver li providet equation"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Ínconosset argument \"%s\""
@@ -987,294 +987,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Númere de Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Addir [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Subtraer [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplicar [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Divider [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Additional functiones"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponentiation [^ o **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Quadrar [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentage [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factoriale [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolut valore [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Radica [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Radica quadratic [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritme"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hipérbolic sinus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hipérbolic cosinus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolean E"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolean O"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolean Exclusiv O"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolean NE"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Integral parte"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Fractional parte"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Real parte"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginari parte"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Comense de gruppe [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Fin de gruppe [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcular li resultate"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorisar [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Vacuar li ecran [Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Defar [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binari"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1283,7 +1293,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1291,188 +1301,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Signe"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Ínconosset variabile \"%s\""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Function «%s» ne es definit"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Ínconosset convertion"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Calculante"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1480,63 +1490,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Gradus"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianes"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatic"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixat"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Scientific"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingenieric"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1548,7 +1558,7 @@ msgstr ""
 "Software Foundation; either version 2 of the License, or (at your option) "
 "any later version."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1560,142 +1570,142 @@ msgstr ""
 "or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for"
 " more details."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Plu li Calculator MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "OIS <[email protected]>, 2019"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mode"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vise"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Au_xilie"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Basic"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avansat"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financial"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmation"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Contenete"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copiar"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Co_llar"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Defar"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Refar"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferenties"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "S_urtir"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Pri"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1750,767 +1760,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s gradus"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianes"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Annus luce"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "annu luce,annu-luce,annus luce,annus-luce,ly,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomic unités"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Marin milies"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milies"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometres"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cables"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metres"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metre,metres,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yardes"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inches"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetres"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimetres"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrometres"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometres"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectares"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Quadratic metres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Quadratic centimetres"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Quadratic millimetres"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Cubic metres"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallones"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litres"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quartes"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintes"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinte,pintes,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Millilitres"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitres"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonnes"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramms"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pundes"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Uncies"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramms"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Annus"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dies"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dies"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Hores"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hores"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hor,hores"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute,minutes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Secondes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "seconde,secondes,sec,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisecondes"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milliseconde,millisecondes,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsecondes"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microseconde,microsecondes,mcs,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Centigrad"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angul"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Longore"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Area"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volúmine"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Pesa"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Duration"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/ig.po b/po/ig.po
index 24fac33..d8f5fe7 100644
--- a/po/ig.po
+++ b/po/ig.po
@@ -2,251 +2,291 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
 "Language-Team: Igbo (https://www.transifex.com/mate/teams/13566/ig/)\n"
+"Language: ig\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: ig\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +295,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +332,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Nkarachọ"
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr "_Mechie"
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +909,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +925,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +933,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1113,1107 +1259,1206 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
-msgstr "Omentụgharị-Uru"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
+msgstr ""
+
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:325
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:362
+#, c-format
+msgid ""
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
+msgstr ""
+
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr "Omentụgharị-Uru"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Nnyemaka"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Ndịna ndị ahụ"
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Nweghachi"
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Nkarachọ"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Maka "
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/is.po b/po/is.po
index 37eeed1..03ba490 100644
--- a/po/is.po
+++ b/po/is.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Icelandic (https://www.transifex.com/mate/teams/13566/is/)\n"
+"Language-Team: Icelandic (https://app.transifex.com/mate/teams/13566/is/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Minni"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -211,7 +211,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -239,7 +239,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -281,7 +281,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -498,7 +498,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Kjörstillingar"
 
@@ -553,12 +553,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -918,12 +918,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -932,7 +932,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -944,7 +944,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -957,7 +957,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -965,13 +965,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -986,294 +986,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1282,7 +1292,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1290,188 +1300,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1479,63 +1489,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1543,7 +1553,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1551,31 +1561,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Samúel Jón Gunnarsson <[email protected]>, 2003\n"
@@ -1583,113 +1593,113 @@ msgstr ""
 "Aðrir FOSS íslenskuþýðendur"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "S_koða"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Hjálp"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Innihald"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Afrita"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Líma"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Afturkalla"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Endurgera"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Stillingar"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Hætta"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Um"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1744,767 +1754,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Tommur"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millímetrar"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Gjaldmiðlar"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/it.po b/po/it.po
index ef7079f..ef2b02e 100644
--- a/po/it.po
+++ b/po/it.po
@@ -4,29 +4,28 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Marco Bartolucci <[email protected]>, 2018
-# Simone Centonze <[email protected]>, 2018
+# Marco Bartolucci, 2018
 # Dario Di Nucci <[email protected]>, 2018
 # talorno <[email protected]>, 2019
 # Wolfgang Ulbrich <[email protected]>, 2019
-# Giuseppe Pignataro <[email protected]>, 2019
+# Giuseppe Pignataro (Fastbyte01) <[email protected]>, 2019
 # Enrico B. <[email protected]>, 2020
-# Stefano Karapetsas <[email protected]>, 2020
-# Alessandro Volturno <[email protected]>, 2021
+# Stefano Karapetsas <[email protected]>, 2022
+# Alessandro Volturno <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Alessandro Volturno <[email protected]>, 2021\n"
-"Language-Team: Italian (https://www.transifex.com/mate/teams/13566/it/)\n"
+"Last-Translator: Alessandro Volturno <[email protected]>, 2022\n"
+"Language-Team: Italian (https://app.transifex.com/mate/teams/13566/it/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: it\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=n == 1 ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
@@ -47,7 +46,7 @@ msgstr "Pulisci"
 #. Accessible name for the scientific exponent button
 #: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
-msgstr "Esponente in notazione scientifica"
+msgstr "Esponente in Notazione Scientifica"
 
 #. The label on the memory button
 #: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
@@ -59,7 +58,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -104,7 +103,7 @@ msgstr "Fattoriale"
 #. Accessible name for the absolute value button
 #: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
-msgstr "Valore assoluto"
+msgstr "Valore Assoluto"
 
 #. Accessible name for the superscript mode button
 #: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
@@ -122,9 +121,9 @@ msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
-msgstr "Tempo di raggiungimento del montante"
+msgstr "Tempo di raggiungimento del Montante"
 
 #: src/buttons-financial.ui:28 src/buttons-financial.ui:211
 #: src/buttons-financial.ui:394 src/buttons-financial.ui:577
@@ -133,7 +132,7 @@ msgstr "Tempo di raggiungimento del montante"
 #: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
 #: src/buttons-programming.ui:27
 msgid "_Cancel"
-msgstr "A_nnulla"
+msgstr "Annulla"
 
 #. Compounding Term Dialog: Calculate button
 #. Double-Declining Depreciation Dialog: Calculate button
@@ -173,24 +172,24 @@ msgstr ""
 #: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
 #: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
-msgstr "Tasso di inte_resse sul periodo:"
+msgstr "Tasso di Inte_resse sul Periodo:"
 
 #. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
 #: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
-msgstr "M_ontante:"
+msgstr "Montante:"
 
 #. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
 #: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
-msgstr "_Valore attuale:"
+msgstr "_Valore Attuale:"
 
 #. Title of Double-Declining Depreciation dialog
 #: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
-msgstr "Ammortamento a dimezzamento annuale"
+msgstr "Ammortamento a Dimezzamento Annuale"
 
 #. Double-Declining Depreciation Dialog: Description of calculation
 #: src/buttons-financial.ui:260
@@ -207,7 +206,7 @@ msgstr ""
 #: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
 #: src/buttons-financial.ui:1527
 msgid "_Life:"
-msgstr "_Durata:"
+msgstr "Durata:"
 
 #. Double-Declining Depreciation Dialog: Label before period input
 #. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
@@ -223,7 +222,7 @@ msgstr "C_osto:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Montante"
 
@@ -231,7 +230,7 @@ msgstr "Montante"
 #. Present Value Dialog: Label before number of periods input
 #: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
-msgstr "_Numero di periodi:"
+msgstr "_Numero di Periodi:"
 
 #. Future Value Dialog: Description of calculation
 #: src/buttons-financial.ui:516
@@ -254,9 +253,9 @@ msgstr "R_ata:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
-msgstr "Margine di contribuzione lordo"
+msgstr "Margine di Contribuzione Lordo"
 
 #. Gross Profit Margin Dialog: Description of calculation
 #: src/buttons-financial.ui:626
@@ -274,7 +273,7 @@ msgstr "_Margine:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Rata"
 
@@ -296,11 +295,11 @@ msgstr "Dura_ta:"
 #. Periodic Payment Dialog: Label before principal input
 #: src/buttons-financial.ui:867
 msgid "_Principal:"
-msgstr "_Capitale:"
+msgstr "Ca_pitale:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valore attuale"
 
@@ -317,9 +316,9 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
-msgstr "Tasso di interesse sul periodo"
+msgstr "Tasso di Interesse sul Periodo"
 
 #. Periodic Interest Rate Dialog: Description of calculation
 #: src/buttons-financial.ui:1147
@@ -364,7 +363,7 @@ msgstr ""
 #. Title of Sum-of-the-Years'-Digits Depreciation dialog
 #: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
-msgstr "Ammortamento basato sulle cifre dell'anno"
+msgstr "Ammortamento Basato sulle Cifre dell'Anno"
 
 #. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
 #: src/buttons-financial.ui:1631
@@ -384,7 +383,7 @@ msgstr ""
 #. Title of Payment Period dialog
 #: src/buttons-financial.ui:1659
 msgid "Payment Period"
-msgstr "Periodo di rateizzazione"
+msgstr "Periodo di Pateizzazione"
 
 #. Payment Period Dialog: Label before future value input
 #: src/buttons-financial.ui:1785
@@ -485,7 +484,7 @@ msgstr "Mlp"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Inserisci codice del carattere"
 
@@ -502,17 +501,17 @@ msgstr "C_arattere:"
 #. Accessible name for the shift left button
 #: src/buttons-programming.ui:2477
 msgid "Shift Left"
-msgstr "Sposta a sinistra"
+msgstr "Scorri a Sinistra"
 
 #. Accessible name for the shift right button
 #: src/buttons-programming.ui:2526
 msgid "Shift Right"
-msgstr "Sposta a destra"
+msgstr "Scorri a Destra"
 
 #. Accessible name for the insert character button
 #: src/buttons-programming.ui:2756
 msgid "Insert Character"
-msgstr "Inserisci carattere"
+msgstr "Inserisci Carattere"
 
 #. Word size combo: 8 bits
 #: src/preferences.ui:40
@@ -535,7 +534,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferenze"
 
@@ -546,17 +545,17 @@ msgstr "_Chiudi"
 #. Preferences dialog: Label for angle unit combo box
 #: src/preferences.ui:112
 msgid "_Angle units:"
-msgstr "Unità _angolari:"
+msgstr "Unità _Angolari:"
 
 #. Preferences dialog: Label for display format combo box
 #: src/preferences.ui:126
 msgid "Number _Format:"
-msgstr "_Formato numerico:"
+msgstr "_Formato Numerico:"
 
 #. Preferences dialog: label for word size combo box
 #: src/preferences.ui:176
 msgid "Word _size:"
-msgstr "_Dimensione della word:"
+msgstr "_Dimensione della Word:"
 
 #. Preferences dialog: label for show trailing zeroes check button
 #: src/preferences.ui:199
@@ -582,9 +581,9 @@ msgid ""
 "scientific modes. It uses a multiple precision package to do its arithmetic "
 "to give a high degree of accuracy."
 msgstr ""
-"MATE Calc è una calcolatrice grafica con modalità finanziaria, avanzata e "
-"scientifica. Utilizza un pacchetto a precisione multipla per eseguire i "
-"calcoli e fornisce un alto livello di precisione."
+"MATE Calc è una poderosa calcolatrice grafica con modalità finanziaria, "
+"avanzata e scientifica. Utilizza un pacchetto a precisione multipla per "
+"eseguire i calcoli e fornisce un alto livello di precisione."
 
 #: data/mate-calc.appdata.xml.in:15
 msgid ""
@@ -592,16 +591,16 @@ msgid ""
 "If you would like to know more about MATE and MATE Calc, please visit the "
 "project's home page."
 msgstr ""
-"MATE Calc è un fork di GNOME Calc e parte dell'ambiente desktop MATE. Se "
-"desideri ulteriori informazioni su MATE e MATE Calc, visita il sito web del "
-"progetto."
+"MATE Calc è un fork di GNOME Calc e parte dell'ambiente desktop MATE. Se si "
+"desiderano ulteriori informazioni su MATE e MATE Calc, visitate il sito web "
+"del progetto."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calcolatrice di MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calcolatrice"
 
@@ -625,7 +624,7 @@ msgstr "Il numero di cifre mostrate dopo la virgola."
 
 #: data/org.mate.calc.gschema.xml:31
 msgid "Word size"
-msgstr "Dimensione della word"
+msgstr "Dimensione della Word"
 
 #: data/org.mate.calc.gschema.xml:32
 msgid "The size of the words used in bitwise operations"
@@ -633,7 +632,7 @@ msgstr "La dimensione delle word utilizzate nelle operazioni bit a bit."
 
 #: data/org.mate.calc.gschema.xml:37
 msgid "Numeric Base"
-msgstr "Base numerica"
+msgstr "Base Numerica"
 
 #: data/org.mate.calc.gschema.xml:38
 msgid "The numeric base"
@@ -641,16 +640,16 @@ msgstr "La base numerica"
 
 #: data/org.mate.calc.gschema.xml:42
 msgid "Show Thousands Separators"
-msgstr "Mostra il separatore delle migliaia"
+msgstr "Mostra i Separatori delle Migliaia"
 
 #: data/org.mate.calc.gschema.xml:43
 msgid "Indicates whether thousands separators are shown in large numbers."
 msgstr ""
-"Indica se i separatori delle migliaia sono mostrati nei numeri elevati."
+"Indica se i separatori delle migliaia sono mostrati nei numeri grandi."
 
 #: data/org.mate.calc.gschema.xml:47
 msgid "Show Trailing Zeroes"
-msgstr "Mostra gli zero decimali"
+msgstr "Mostra gli Zero Decimali"
 
 #: data/org.mate.calc.gschema.xml:48
 msgid ""
@@ -662,7 +661,7 @@ msgstr ""
 
 #: data/org.mate.calc.gschema.xml:52
 msgid "Show History"
-msgstr "Mostra la cronologia"
+msgstr "Mostra la Cronologia"
 
 #: data/org.mate.calc.gschema.xml:53
 msgid "Shows all recent calculations"
@@ -682,7 +681,7 @@ msgstr "Unità angolari"
 
 #: data/org.mate.calc.gschema.xml:63
 msgid "The angle units to use"
-msgstr "L'unità di misura degli angoli da utilizzare"
+msgstr "L'unità di misura da utilizzare per gli angoli"
 
 #: data/org.mate.calc.gschema.xml:67
 msgid "Button mode"
@@ -698,7 +697,7 @@ msgstr "Valuta iniziale"
 
 #: data/org.mate.calc.gschema.xml:73
 msgid "Currency of the current calculation"
-msgstr "Valuta del calcolo attuale"
+msgstr "La valuta del calcolo attuale"
 
 #: data/org.mate.calc.gschema.xml:77
 msgid "Target currency"
@@ -706,7 +705,7 @@ msgstr "Valuta finale"
 
 #: data/org.mate.calc.gschema.xml:78
 msgid "Currency to convert the current calculation into"
-msgstr "Valuta in cui convertire il calcolo attuale"
+msgstr "La valuta in cui convertire il calcolo attuale"
 
 #: data/org.mate.calc.gschema.xml:82
 msgid "Source units"
@@ -714,7 +713,7 @@ msgstr "Unità iniziale"
 
 #: data/org.mate.calc.gschema.xml:83
 msgid "Units of the current calculation"
-msgstr "Unità del calcolo attuale"
+msgstr "Le unità del calcolo attuale"
 
 #: data/org.mate.calc.gschema.xml:87
 msgid "Target units"
@@ -722,7 +721,7 @@ msgstr "Unità finale"
 
 #: data/org.mate.calc.gschema.xml:88
 msgid "Units to convert the current calculation into"
-msgstr "Unità in cui convertire il calcolo attuale"
+msgstr "Le unità in cui convertire il calcolo attuale"
 
 #: src/currency-manager.c:30
 msgid "UAE Dirham"
@@ -730,11 +729,11 @@ msgstr "Dirham degli Emirati Arabi Uniti"
 
 #: src/currency-manager.c:31
 msgid "Australian Dollar"
-msgstr "Dollaro australiano"
+msgstr "Dollaro Australiano"
 
 #: src/currency-manager.c:32
 msgid "Bulgarian Lev"
-msgstr "Lev bulgaro"
+msgstr "Lev Bulgaro"
 
 #: src/currency-manager.c:33
 msgid "Bahraini Dinar"
@@ -746,7 +745,7 @@ msgstr "Dollaro del Brunei"
 
 #: src/currency-manager.c:35
 msgid "Brazilian Real"
-msgstr "Real brasiliano"
+msgstr "Real Brasiliano"
 
 #: src/currency-manager.c:36
 msgid "Botswana Pula"
@@ -754,7 +753,7 @@ msgstr "Pula del Botswana"
 
 #: src/currency-manager.c:37
 msgid "Canadian Dollar"
-msgstr "Dollaro canadese"
+msgstr "Dollaro Canadese"
 
 #: src/currency-manager.c:38
 msgid "CFA Franc"
@@ -762,35 +761,35 @@ msgstr "Franco CFA"
 
 #: src/currency-manager.c:39
 msgid "Swiss Franc"
-msgstr "Franco svizzero"
+msgstr "Franco Svizzero"
 
 #: src/currency-manager.c:40
 msgid "Chilean Peso"
-msgstr "Peso cileno"
+msgstr "Peso Cileno"
 
 #: src/currency-manager.c:41
 msgid "Chinese Yuan"
-msgstr "Yuan cinese"
+msgstr "Yuan Cinese"
 
 #: src/currency-manager.c:42
 msgid "Colombian Peso"
-msgstr "Peso colombiano"
+msgstr "Peso Colombiano"
 
 #: src/currency-manager.c:43
 msgid "Czech Koruna"
-msgstr "Corona ceca"
+msgstr "Corona della Repubblica Ceca"
 
 #: src/currency-manager.c:44
 msgid "Danish Krone"
-msgstr "Corona danese"
+msgstr "Corona Danese"
 
 #: src/currency-manager.c:45
 msgid "Algerian Dinar"
-msgstr "Dinar algerino"
+msgstr "Dinar Algerino"
 
 #: src/currency-manager.c:46
 msgid "Estonian Kroon"
-msgstr "Corona estone"
+msgstr "Corona Estone"
 
 #: src/currency-manager.c:47
 msgid "Euro"
@@ -798,7 +797,7 @@ msgstr "Euro"
 
 #: src/currency-manager.c:48
 msgid "Pound Sterling"
-msgstr "Sterlina britannica"
+msgstr "Sterlina Britannica"
 
 #: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
@@ -806,47 +805,47 @@ msgstr "Dollaro di Hong Kong"
 
 #: src/currency-manager.c:50
 msgid "Croatian Kuna"
-msgstr "Kuna croata"
+msgstr "Kuna Croata"
 
 #: src/currency-manager.c:51
 msgid "Hungarian Forint"
-msgstr "Fiorino ungherese"
+msgstr "Fiorino Ungherese"
 
 #: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
-msgstr "Rupia indonesiana"
+msgstr "Rupia Indonesiana"
 
 #: src/currency-manager.c:53
 msgid "Israeli New Shekel"
-msgstr "Nuovo siclo israeliano"
+msgstr "Nuovo Siclo Israeliano"
 
 #: src/currency-manager.c:54
 msgid "Indian Rupee"
-msgstr "Rupia indiana"
+msgstr "Rupia Indiana"
 
 #: src/currency-manager.c:55
 msgid "Iranian Rial"
-msgstr "Real brasiliano"
+msgstr "Real Brasiliano"
 
 #: src/currency-manager.c:56
 msgid "Icelandic Krona"
-msgstr "Corona islandese"
+msgstr "Corona Islandese"
 
 #: src/currency-manager.c:57
 msgid "Japanese Yen"
-msgstr "Yen giapponese"
+msgstr "Yen Giapponese"
 
 #: src/currency-manager.c:58
 msgid "South Korean Won"
-msgstr "Won sudcoreano"
+msgstr "Won Sudcoreano"
 
 #: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
-msgstr "Dinar kuwaitiano"
+msgstr "Dinar del Kuwait"
 
 #: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
-msgstr "Tenge kazako"
+msgstr "Tenge Kazako"
 
 #: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
@@ -854,79 +853,79 @@ msgstr "Rupia dello Sri Lanka"
 
 #: src/currency-manager.c:62
 msgid "Lithuanian Litas"
-msgstr "Litas lituano"
+msgstr "Litas Lituano"
 
 #: src/currency-manager.c:63
 msgid "Latvian Lats"
-msgstr "Lats lettone"
+msgstr "Lats Lettone"
 
 #: src/currency-manager.c:64
 msgid "Libyan Dinar"
-msgstr "Dinar libico"
+msgstr "Dinar Libico"
 
 #: src/currency-manager.c:65
 msgid "Mauritian Rupee"
-msgstr "Rupia mauritana"
+msgstr "Rupia delle Mauritius"
 
 #: src/currency-manager.c:66
 msgid "Mexican Peso"
-msgstr "Peso messicano"
+msgstr "Peso Messicano"
 
 #: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
-msgstr "Ringgit malese"
+msgstr "Ringgit Malese"
 
 #: src/currency-manager.c:68
 msgid "Norwegian Krone"
-msgstr "Corona norvegese"
+msgstr "Corona Norvegese"
 
 #: src/currency-manager.c:69
 msgid "Nepalese Rupee"
-msgstr "Rupia nepalese"
+msgstr "Rupia Nepalese"
 
 #: src/currency-manager.c:70
 msgid "New Zealand Dollar"
-msgstr "Dollaro neozelandese"
+msgstr "Dollaro Neozelandese"
 
 #: src/currency-manager.c:71
 msgid "Omani Rial"
-msgstr "Rial dell'Oman"
+msgstr "Riyal dell'Oman"
 
 #: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
-msgstr "Nuevo sol peruviano"
+msgstr "Nuevo Sol Peruviano"
 
 #: src/currency-manager.c:73
 msgid "Philippine Peso"
-msgstr "Peso filippino"
+msgstr "Peso Filippino"
 
 #: src/currency-manager.c:74
 msgid "Pakistani Rupee"
-msgstr "Rupia pakistana"
+msgstr "Rupia Pakistana"
 
 #: src/currency-manager.c:75
 msgid "Polish Zloty"
-msgstr "Zloty polacco"
+msgstr "Zloty Polacco"
 
 #: src/currency-manager.c:76
 msgid "Qatari Riyal"
-msgstr "Rial del Qatar"
+msgstr "Riyal del Qatar"
 
 #: src/currency-manager.c:77
 msgid "New Romanian Leu"
-msgstr "Nuovo leu rumeno"
+msgstr "Nuovo Leu Rumeno"
 
 #: src/currency-manager.c:78
 msgid "Russian Rouble"
-msgstr "Rublo russo"
+msgstr "Rublo Russo"
 
 #: src/currency-manager.c:79
 msgid "Saudi Riyal"
-msgstr "Rial saudita"
+msgstr "Riyal Saudita"
 
 #: src/currency-manager.c:80
 msgid "Swedish Krona"
-msgstr "Corona svedese"
+msgstr "Corona Svedese"
 
 #: src/currency-manager.c:81
 msgid "Singapore Dollar"
@@ -934,15 +933,15 @@ msgstr "Dollaro di Singapore"
 
 #: src/currency-manager.c:82
 msgid "Thai Baht"
-msgstr "Baht thailandese"
+msgstr "Baht Thailandese"
 
 #: src/currency-manager.c:83
 msgid "Tunisian Dinar"
-msgstr "Dinar tunisino"
+msgstr "Dinar Tunisino"
 
 #: src/currency-manager.c:84
 msgid "New Turkish Lira"
-msgstr "Nuova lira turca"
+msgstr "Nuova Lira Turca"
 
 #: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
@@ -950,37 +949,37 @@ msgstr "Dollaro di Trinidad e Tobago (TTD)"
 
 #: src/currency-manager.c:86
 msgid "US Dollar"
-msgstr "Dollaro americano"
+msgstr "Dollaro Americano"
 
 #: src/currency-manager.c:87
 msgid "Uruguayan Peso"
-msgstr "Peso uruguaiano"
+msgstr "Peso Uruguaiano"
 
 #: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
-msgstr "Bolìvar venezuelano"
+msgstr "Bolìvar Venezuelano"
 
 #: src/currency-manager.c:89
 msgid "South African Rand"
-msgstr "Rand sudafricano"
+msgstr "Rand Sudafricano"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Errore: il numero di periodi deve essere positivo"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
-"Uso:\n"
+"Utilizzo:\n"
 "  %s — Esegue calcoli matematici"
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -997,7 +996,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1014,10 +1013,10 @@ msgstr ""
 "  --screen=SCHERMO                Schermo X da utilizzare\n"
 "  --sync                          Rende sincrone le chiamate a X\n"
 "  --gtk-module=MODULI             Carica moduli GTK+ aggiuntivi\n"
-"  --g-fatal-warnings              Rende fatali tutti gli avvertimenti"
+"  --g-fatal-warnings              Rende fatali tutti gli avvisi"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1027,16 +1026,16 @@ msgstr ""
 "  -s, --solve <equazione>          Risolve l'equazione data"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "L'argomento --solve richiede un'equazione da risolvere"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
-msgstr "Argomento \"%s\" sconosciuto"
+msgstr "Argomento '%s' sconosciuto"
 
 #. Tooltip for the Pi button
 #: src/math-buttons.c:93
@@ -1048,492 +1047,504 @@ msgstr "Pi greco [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Numero di Eulero"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Unità Immaginaria"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Punto decimale"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Modalità pedice [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Modalità apice [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Esponente in notazione scientifica [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
-msgstr "Addizione [+]"
+msgstr "Aggiungi [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
-msgstr "Sottrazione [-]"
+msgstr "Sottrai [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
-msgstr "Moltiplicazione [*]"
+msgstr "Moltiplica [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
-msgstr "Divisione [/]"
+msgstr "Dividi [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
-msgstr "Divisione modulo"
+msgstr "Divisione Modulo"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
-msgstr "Funzioni agguntive"
+msgstr "Funzioni Aggiuntive"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
-msgstr "Costanti aggiuntive"
+msgstr "Costanti Aggiuntive"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Esponente [^ oppure **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Quadrato [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentuale [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Fattoriale [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
-msgstr "Valore assoluto [|]"
+msgstr "Valore Assoluto [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
-msgstr "Argomento complesso"
+msgstr "Argomento Complesso"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
-msgstr "Complesso coniugato"
+msgstr "Complesso Coniugato"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Radice [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
-msgstr "Radice quadrata [Ctrl+R]"
+msgstr "Radice Quadrata [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmo"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
-msgstr "Logaritmo naturale"
+msgstr "Logaritmo Naturale"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Seno"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Coseno"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
-msgstr "Seno iperbolico"
+msgstr "Seno Iperbolico"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
-msgstr "Coseno iperbolico"
+msgstr "Coseno Iperbolico"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
-msgstr "Tangente iperbolica"
+msgstr "Tangente Iperbolica"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
-msgstr "Seno inverso"
+msgstr "Seno Inverso"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
-msgstr "Coseno inverso"
+msgstr "Coseno Inverso"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
-msgstr "Tangente inversa"
+msgstr "Tangente Inversa"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverso [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "AND booleano"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "OR booleano"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
-msgstr "OR esclusivo booleano"
+msgstr "OR Esclusivo booleano"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NOT booleano"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Parte intera"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
-msgstr "Parte frazionaria"
+msgstr "Parte Frazionaria"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
-msgstr "Parte reale"
+msgstr "Parte Reale"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
-msgstr "Parte immaginaria"
+msgstr "Parte Immaginaria"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
-msgstr "Complemento a uno"
+msgstr "Complemento a Uno"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
-msgstr "Complemento a due"
+msgstr "Complemento a Due"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
-msgstr "Inizio gruppo [(]"
+msgstr "Inizio di un gruppo [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
-msgstr "Fine gruppo [)]"
+msgstr "Fine del gruppo [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
-msgstr "Calcola il risultato"
+msgstr "Calcola il Risultato"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Fattorizza [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
-msgstr "Pulisce il display [Esc]"
+msgstr "Pulisci il display [Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Annulla [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
-msgstr "Spostamento a sinistra [<<]"
+msgstr "Scorrimento a Sinistra [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
-msgstr "Spostamento a destra [<<]"
+msgstr "Scorrimento a Destra [<<]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
-msgstr "Ammortamento a dimezzamento annuale"
+msgstr "Ammortamento a Dimezzamento Annuale"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
-msgstr "Termine finanziario"
+msgstr "Termine Finanziario"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
-msgstr "Ammortamento basato sulle cifre dell'anno"
+msgstr "Ammortamento Basato sulle Cifre dell'Anno"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
-msgstr "Ammortamento lineare"
+msgstr "Ammortamento Lineare"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binario"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Ottale"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimale"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Esadecimale"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
-msgstr[0] "_%d posto"
-msgstr[1] "_%d posti"
+msgstr[0] "_%d posizione"
+msgstr[1] "_%d posizioni"
+msgstr[2] "_%d posizioni"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
-msgstr[0] "%d posto"
-msgstr[1] "%d posti"
+msgstr[0] "%d posizione"
+msgstr[1] "%d posizioni"
+msgstr[2] "%d posizioni"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Arrotonda"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
-msgstr "Arrotonda per difetto"
+msgstr "Arrotonda (Floor)"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
-msgstr "Arrotonda per eccesso"
+msgstr "Arrotonda (Ceiling)"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Segno"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
-msgstr "Velocità della luce"
+msgstr "Velocità della Luce"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Permeabilità magnetica del vuoto"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Costante dielettrica del vuoto"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
-msgstr "Costante di gravitazione"
+msgstr "Costante di gravitazione Newtoniana"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Costante di Planck"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Carica elementare"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Massa a riposo dell'elettrone"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Massa a riposo del protone"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Costante di Avogadro "
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Inverte l'unità di conversione"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
-msgstr "Nessuna cronologia annullamenti"
+msgstr "Nessuna cronologia degli annullamenti"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
-msgstr "Nessuna cronologia ripetizioni"
+msgstr "Nessuna cronologia delle ripetizioni"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
-msgstr "Nessun valore corretto da memorizzare"
+msgstr "Nessun valore sensato da memorizzare"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
-msgstr "Overflow. Provare una dimensione maggiore per la word"
+msgstr "Overflow. Provare una dimensione maggiore per la Word"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
-msgstr "Variabile «%s» sconosciuta"
+msgstr "Variabile '%s' sconosciuta"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
-msgstr "La funzione «%s» non è definita"
+msgstr "La funzione '%s' non è definita"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversione sconosciuta"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
-msgstr "Espressione malformata al token «%s»"
+msgstr "Espressione malformata al token '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Espressione malformata"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
-msgstr "Calcolo"
+msgstr "Calcolo in corso"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Per fattorizzare è necessario un numero intero"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
-msgstr "Nessun valore corretto per eseguire lo shift bit a bit"
+msgstr "Nessun valore sensato per eseguire lo scorrimento dei bit"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Il valore visualizzato non è un intero"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1541,63 +1552,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Gradi"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianti"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
-msgstr "Gradienti"
+msgstr "Gradianti"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatico"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fisso"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Scientifico"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingegneristico"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Mostra %d _posizioni decimali"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Impossibile aprire il file del manuale"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Team Documentazione MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1606,10 +1617,10 @@ msgid ""
 msgstr ""
 "Calcolatrice di MATE è software libero; è possibile ridistribuirlo e/o "
 "modificarlo secondo i termini della licenza GNU General Public License come "
-"pubblicata dalla Free Software Foundation; versione 2 della licenza, o (a "
-"scelta) una versione successiva."
+"pubblicata dalla Free Software Foundation; versione 2 della licenza, o (a a "
+"vostra scelta) ogni versione successiva."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1621,7 +1632,7 @@ msgstr ""
 "o APPLICABILITÀ PER UNO SCOPO PARTICOLARE. Per maggiori dettagli consultare "
 "la GNU General Public License."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1632,7 +1643,7 @@ msgstr ""
 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, "
 "USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1641,11 +1652,11 @@ msgstr ""
 "Calcolatrice con modalità finanziaria e scientifica.\n"
 "Utilizza GNU MPFR %s e GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
-msgstr "Info su Calcolatrice di MATE"
+msgstr "Informazioni su Calcolatrice di MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1653,127 +1664,127 @@ msgstr ""
 "Copyright © 1986–2010 Gli autori di GCalctool\n"
 "Copyright © 2011-2021 Gli sviluppatori di MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Enrico Bella, 2019\n"
 "Alessandro Volturno, 2020"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calcolatrice"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modalità"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Visualizza"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
-msgstr "_Aiuto"
+msgstr "Aiuto"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Base"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avanzata"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finanziaria"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmazione"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
-msgstr "_Cronologia"
+msgstr "Cronologia"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
-msgstr "_Sommario"
+msgstr "_Contenuti"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copia"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
-msgstr "_Incolla"
+msgstr "Incolla"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
-msgstr "_Annulla"
+msgstr "Annulla"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Ripeti"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
-msgstr "_Cancella cronologia"
+msgstr "_Cancella la Cronologia"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferenze"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
-msgstr "_Esci"
+msgstr "Esci"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
-msgstr "_Informazioni"
+msgstr "Inform_azioni"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "L'AND booleano è definito solo per gli interi positivi"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "L'OR booleano è definito solo per gli interi positivi"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
-msgstr "L'OR esclusivo booleano è definito solo per gli interi positivi"
+msgstr "L'OR Esclusivo booleano è definito solo per gli interi positivi"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Il NOT booleano è definito solo per gli interi positivi"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
-msgstr "Lo shift è possibile solo su valori interi"
+msgstr "Lo scorrimento dei bit è possibile solo su valori interi"
 
 #. Translators: Error display when attempting to take argument of zero
 #: src/mp.c:123
 msgid "Argument not defined for zero"
-msgstr "Argomento non definito per zero"
+msgstr "Argomento non definito per lo zero"
 
 #. Translators: Error displayed attempted to divide by zero
 #: src/mp.c:236
@@ -1821,7 +1832,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "La funzione zeta di Riemann è definita solo per i numeri reali ≠ 1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1830,763 +1841,763 @@ msgstr ""
 " da π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "L'inverso del seno non è definito per valori al di fuori di [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "L'inverso del coseno non è definito per valori al di fuori di [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "La funzione arcotangente non è definita per i valori i e -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "L'inverso del coseno iperbolico non è definito per valori minori di uno"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "La tangente iperbolica inversa non è definita per valori esterni "
 "all'intervallo (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s gradi"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grado,gradi,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianti"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radiante,radianti,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
-msgstr "%s gradienti"
+msgstr "%s gradianti"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
-msgstr "gradiente,gradienti,grad"
+msgstr "gradiante,gradianti,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsec"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsec,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
-msgstr "Anni luce"
+msgstr "Anni Luce"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "anno luce,anni luce,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
-msgstr "Unità astronomiche"
+msgstr "Unità Astronomiche"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
-msgstr "Miglia nautiche"
+msgstr "Miglia Nautiche"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
-msgstr "%s NM"
+msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
-msgstr "NM"
+msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Miglia"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "miglio,miglia,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Chilometri"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
-msgstr "chilometro,chilometri,km"
+msgstr "kilometro,kilometri,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Gomene"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "gomena,gomene,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
-msgstr "Braccia"
+msgstr "Fathom"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
-msgstr "%s fm"
+msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
-msgstr "braccio,braccia,fm"
+msgstr "fathom,fathom,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metri"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metro,metri,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Iarde"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "iarda,iarde,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Piedi"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "piede,piedi,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Pollici"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "pollice,pollici,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetri"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimetro,centimetri,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimetri"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimetro,millimetri,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrometri"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometro,micrometri,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometri"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometro,nanometri,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Ettari"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "ettaro,ettari,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acri"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acri"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acro,acri"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metri quadrati"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centimetri quadrati"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Millimetri quadrati"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metri cubi"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galloni"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallone,galloni,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litri"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litro,litri,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarti"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quarto,quarti,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pinte"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pinte,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Millilitri"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitro,millilitri,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitri"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonnellate"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonnellata,tonnellate"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
-msgstr "Chilogrammi"
+msgstr "kilogrammi"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
-msgstr "chilogrammo,chilogrammi,chili,kg"
+msgstr "kilogrammo,kilogrammi,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Libbre"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "libbra,libbre,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Once"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "oncia,once,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grammi"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "grammo,grammi,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Anni"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s anni"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "anno,anni"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Giorni"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s giorni"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "giorno,giorni"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Ore"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ore"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ora,ore"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minuti"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minuti"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuto,minuti"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Secondi"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "secondo,secondi,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisecondi"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecondo,millisecondi,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsecondi"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecondo,microsecondi,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
-msgstr "˚C"
+msgstr "grado C,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Fahrenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
-msgstr "˚F"
+msgstr "grado F,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
-msgstr "˚R,˚Ra"
+msgstr "grado R,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angolo"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Lunghezza"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Area"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Peso"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Durata"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
-msgstr "%%s %s"
+msgstr "%s%%s"
diff --git a/po/ja.po b/po/ja.po
index b8bbbe9..2bcbd16 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -6,21 +6,21 @@
 # Translators:
 # Rockers <[email protected]>, 2018
 # IWAI, Masaharu <[email protected]>, 2018
-# Mika Kobayashi, 2018
-# shinmili <[email protected]>, 2018
-# ふうせん Fu-sen. | BALLOON a.k.a. Fu-sen., 2018
+# fbc955180bc2b956cb4ef52d00eb80a0_91487f8, 2018
+# 🎈 BALLOON | FU-SEN, 2018
 # ABE Tsunehiko, 2019
 # Stefano Karapetsas <[email protected]>, 2020
-# Green, 2021
+# shinmili <[email protected]>, 2022
+# Green <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Green, 2021\n"
-"Language-Team: Japanese (https://www.transifex.com/mate/teams/13566/ja/)\n"
+"Last-Translator: Green <[email protected]>, 2022\n"
+"Language-Team: Japanese (https://app.transifex.com/mate/teams/13566/ja/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -58,7 +58,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "メモリー"
 
@@ -121,7 +121,7 @@ msgstr "定数"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "複利計算期間"
 
@@ -218,7 +218,7 @@ msgstr "原価(_O):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "将来価値"
 
@@ -246,7 +246,7 @@ msgstr "定期支払額(_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "売上総利益"
 
@@ -264,7 +264,7 @@ msgstr "利幅(_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "定期支払額"
 
@@ -288,7 +288,7 @@ msgstr "資本金(_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "現在価値"
 
@@ -302,7 +302,7 @@ msgstr "将来価値を一定の割引率を使って現在時点まで割り戻
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "定期利率"
 
@@ -459,7 +459,7 @@ msgstr "売上"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "文字コードの挿入"
 
@@ -509,7 +509,7 @@ msgid "64-bit"
 msgstr "64ビット"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "設定"
 
@@ -567,12 +567,12 @@ msgstr ""
 "MATE 電卓は GNOME 電卓のフォークであり、MATE デスクトップ環境の一部です。もしあなたが MATE と MATE "
 "電卓についてもっと知りたければ、プロジェクトのウェブサイトを参照してください。"
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE 電卓"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "電卓"
 
@@ -932,12 +932,12 @@ msgstr "ボリバル・フエルテ"
 msgid "South African Rand"
 msgstr "南アフリカ・ランド"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "エラー: 期間は正でなくてはなりません"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -948,7 +948,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -965,7 +965,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -985,7 +985,7 @@ msgstr ""
 "  --g-fatal-warnings              すべての警告を致命的とみなす"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -995,13 +995,13 @@ msgstr ""
 "  -s, --solve <equation>          与えられた方程式を解く"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "引数 --solve には、解決すべき方程式を指定する必要があります"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "不明な引数 '%s'"
@@ -1016,294 +1016,304 @@ msgstr "π [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "ネイピア数"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "虚数単位"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "小数点"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "下付き数字モード [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "上付き数字モード [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "科学的指数 [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "加算 [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "減算 [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "乗算 [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "除算 [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "剰余"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "追加の関数"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "追加の定数"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "指数 [^ または **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "二乗 [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "百分率 [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "階乗 [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "絶対値 [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "複素数の偏角"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "共役複素数"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "累乗根 [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "平方根 [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "対数"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "自然対数"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "正弦 (サイン)"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "余弦 (コサイン)"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "正接 (タンジェント)"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "双曲線正弦の算出"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "双曲線余弦の算出"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "双曲線正接の算出"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "逆正弦"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "逆余弦"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "逆正接"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "逆関数の算出 [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "真偽値の積"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "真偽値の和"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "真偽値の排他的論理和"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "真偽値の否定"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "整数部"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "端数"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "実数部"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "虚数部"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "1の補数"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "2の補数"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "計算するグループの開始 [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "計算するグループの終了 [(]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "計算結果"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "因数分解 [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "表示のクリア [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "元に戻す [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "左シフト [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "右シフト [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "定率法による減価償却費"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "財務用語"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "級数法による減価償却費"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "定額法による減価償却費"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "2進数"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "8進数"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "10進数"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "16進数"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1311,195 +1321,195 @@ msgstr[0] "_%d 場所"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "%d 場所"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "数値の丸め込み"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "切り捨て"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "切り上げ"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "符号"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "光速度"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "磁気定数"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "電気定数"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "ニュートンの重力定数"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "プランク定数"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "電気素量"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "電子質量"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "プロトン質量"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "アボガドロ定数"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "単位変換を切り替える"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "アンドゥの履歴はありません"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "リドゥの履歴はありません"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "格納する値が正しくありません"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "オーバーフローしました。Wordサイズを大きくして試してください。"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "変数 '%s' が不明です"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "関数 '%s' は未定義です"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "変換方法が分かりません"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "'%s' は解釈できない表現です"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "計算式が間違っています"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "計算中"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "因数分解は整数のみです"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "ビット単位でシフトする値が正しくありません"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "整数以外の値を表示します"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1507,63 +1517,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "度"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "ラジアン"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "グラード"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "自動"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "固定小数点"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "科学"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "工学"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "小数点以下第 %d 位まで表示 (_P)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "ヘルプを表示できません"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "サン・マイクロシステムズ"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE 文書化チーム"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1573,7 +1583,7 @@ msgstr ""
 "MATE 電卓は自由ソフトウェアです; フリーソフトウェア財団が発行する GNU "
 "一般公衆ライセンスの第二版、あるいはそれ以降の版が定める条項の下で本プログラムを再頒布または改変することができます。"
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1584,7 +1594,7 @@ msgstr ""
 "電卓は役に立つことを期待して配布されいていますが、完全に無保証です。商品性や十分な品質、特定の目的への適合性についての暗黙の保証も一切ありません。詳細については"
 " GNU 一般公衆利用許諾を参照してください。"
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1594,7 +1604,7 @@ msgstr ""
 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA"
 " まで手紙を書いてください。"
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1603,11 +1613,11 @@ msgstr ""
 "財務と科学計算のモードを持つ電卓です。\n"
 "これは GNU MPFR %s と GNU MPC %s を利用します。"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "MATE 電卓について"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1615,7 +1625,7 @@ msgstr ""
 "Copyright © 1986–2010 GCalctool 作成者\n"
 "Copyright © 2011-2021 MATE 開発者"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "相花 毅 \n"
@@ -1633,113 +1643,113 @@ msgstr ""
 "MATE 文書化チーム https://www.transifex.com/mate/ "
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "計算機(_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "モード(_M)"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "表示(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "ヘルプ(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "基本(_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "拡張(_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "財務(_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "プログラム(_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
-msgstr "_履歴"
+msgstr "履歴(_H)"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "目次(_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "コピー(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "貼り付け(_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "元に戻す(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "やり直す(_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
-msgstr "_履歴をクリア"
+msgstr "履歴をクリア(_C)"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "設定(_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "終了 (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "情報(_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "真偽値の積は、正の整数のみ定義しています"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "真偽値の和は、正の整数のみ定義しています。"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "真偽値の排他的論理和は、正の整数のみ定義しています"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "真偽値の否定は、正の整数のみ定義しています。"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "シフトは整数値のみ可能です"
 
@@ -1794,767 +1804,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "リーマンゼータ関数は実数≠1に対してのみ定義されます"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr "π∕2 (90°)にπ (180°)の倍数を加えた角度の正接は未定義です"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "[-1, 1]の範囲外の値の逆正弦は定義されていません"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "[-1, 1]の範囲外の値の逆余弦は未定義です"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "アークタンジェント関数が値 i および -i に対して定義されていません"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "1未満の値の逆双曲線余弦は未定義です。"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr "逆双曲線正接は範囲外の値 (-1,1) には定義されていません"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s 度"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "度, deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s ラジアン"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "ラジアン, rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s グラード"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "グラジアン, grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "パーセク"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s パーセク"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "パーセク, pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "光年"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s 光年"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "光年, ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "天文単位"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s 天文単位"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "天文単位, au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "海里"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s 海里"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "海里, nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "マイル"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s マイル"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "マイル, mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "キロメートル"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s キロメートル"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "キロメートル, km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "鏈"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s ケーブル"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "ケーブル, cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "ファゾム"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ファゾム"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "ファゾム, 尋, ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "メートル"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s メートル"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "メートル, m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "ヤード"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s ヤード"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ヤード,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "フィート"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s フィート"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "フィート,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "インチ"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "インチ,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "センチメートル"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "センチメートル,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "ミリメートル"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "ミリメートル,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "マイクロメートル"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "マイクロメートル,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "ナノメートル"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "ナノメートル,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "ヘクタール"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ヘクタール"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "ヘクタール,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "エーカー"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s エーカー"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "エーカー"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "平方メートル"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "平方センチメートル"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "平方ミリメートル"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "立方メートル"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "ガロン"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s ガロン"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "ガロン,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "リットル"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "リットル,リッター,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "クォート"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s クォート"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "クォート,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "パイント"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s パイント"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "パイント,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "ミリリットル"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "ミリリットル,ミリリッター,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "マイクロリットル"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "立方ミリメートル,マイクロリットル,mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "トン"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "トン"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "キログラム"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "キログラム,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "ポンド"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "パウンド,ポンド,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "オンス"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "オンス,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "グラム"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "グラム,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "年"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s 年"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "年"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "日"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s 日"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "日"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "時間"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s 時間"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "時間"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "分"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s 分"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "分"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "秒"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s 秒"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "秒,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "ミリ秒"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ミリ秒"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "ミリ秒,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "マイクロ秒"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μ秒"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "マイクロ秒,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "摂氏"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ℃"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "摂氏,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "華氏"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "華氏,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "ケルビン"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "ランキン度"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "蘭氏,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "角度"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "長さ"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "面積"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "音量"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "重量"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "時間"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "温度"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "通貨"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s%s"
diff --git a/po/ka.po b/po/ka.po
index dee8b3d..53b857e 100644
--- a/po/ka.po
+++ b/po/ka.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Georgian (https://www.transifex.com/mate/teams/13566/ka/)\n"
+"Language-Team: Georgian (https://app.transifex.com/mate/teams/13566/ka/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "მეხსიერება"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "პარამეტრები"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "კალკულატორი"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "ამ მნიშვნელობის შენახვა შეუძლებელია"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "არასწორი გამოსახულება"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "სამეცნიერო"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Vladimer Sichinava ვლადიმერ სიჭინავა <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_კალკულატორი"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_ხედი"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_დახმარება"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_მარტივი"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_დამატებითი"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_ფინანსური"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_შინაარსი"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_კოპირება"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "ჩა_სმა"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "გა_უქმება"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "გამეო_რება"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_პარამეტრები"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_გასვლა"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_შესახებ"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "ცელსიუსი"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "კელვინი"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "ნაწილი"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/kab.po b/po/kab.po
index e53fee1..fa38153 100644
--- a/po/kab.po
+++ b/po/kab.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Slimane Selyan AMIRI <[email protected]>, 2021\n"
-"Language-Team: Kabyle (https://www.transifex.com/mate/teams/13566/kab/)\n"
+"Language-Team: Kabyle (https://app.transifex.com/mate/teams/13566/kab/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Ismenyifen"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,31 +1560,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Launchpad Contributions:\n"
@@ -1582,113 +1592,113 @@ msgstr ""
 "  Slimane Amiri https://launchpad.net/~slimaneamiri"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "Sk_en"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Ta_llalt"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Suken"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Senteḍ"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Se_fsex"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "E_rr-d"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Ɣef"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1743,767 +1753,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/kk.po b/po/kk.po
index 8a7484f..9d1c70a 100644
--- a/po/kk.po
+++ b/po/kk.po
@@ -5,16 +5,16 @@
 # 
 # Translators:
 # Baurzhan Muftakhidinov <[email protected]>, 2020
-# Stefano Karapetsas <[email protected]>, 2020
+# Stefano Karapetsas <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Kazakh (https://www.transifex.com/mate/teams/13566/kk/)\n"
+"Last-Translator: Stefano Karapetsas <[email protected]>, 2022\n"
+"Language-Team: Kazakh (https://app.transifex.com/mate/teams/13566/kk/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Жады"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -211,7 +211,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Болашақ мәні"
 
@@ -239,7 +239,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -281,7 +281,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Ағымдағы мәні"
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Таңба кодын кірістіру"
 
@@ -498,7 +498,7 @@ msgid "64-bit"
 msgstr "64 бит"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Баптаулар"
 
@@ -553,12 +553,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE калькуляторы"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Калькулятор"
 
@@ -918,12 +918,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr "Оңтүстік Африкалық ранд"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -932,7 +932,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -944,7 +944,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -957,7 +957,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -965,13 +965,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Белгісіз аргумент '%s'"
@@ -986,294 +986,304 @@ msgstr "Пи саны [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Эйлер саны"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Ондық нүкте"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Төменгі индекс режимі [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Үстіңгі индекс режимі [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Қосу [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Азайту [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Көбейту [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Бөлу [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Экспонента [^ немесе **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Пайыз [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Факториал [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Абсолюттік мәні [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Түбір [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Логарифм"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Натуралды логарифм"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Синус"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Косинус"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Тангенс"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Терістеу [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Логикалық ЖӘНЕ"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Логикалық НЕМЕСЕ"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Логикалық ЕМЕС"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Нәтижесін есептеу"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Факториал [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Тазарту [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Болдырмау [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Екілік"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Сегіздік"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Ондық"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Он алтылық"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1282,7 +1292,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1290,188 +1300,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Қолтаңба"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Болдырмау тарихы жоқ"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Қайталау тарихы жоқ"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Сақтау үшін жарамды мәндер жоқ"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Белгісіз айнымалы '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "'%s' функциясы анықталмаған"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Белгісіз айналдыру"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Қате өрнек"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Есептеу"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Көрсетілген шама бүтін емес"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1479,63 +1489,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Градустар"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Радиандар"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Градтар"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Автоматты"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Бекітілген"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Ғылыми"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Инжинерлік"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Үтірден кейін %d _санды көрсету"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Көмек ақпараты файлын ашу мүмкін емес"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1543,7 +1553,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1551,142 +1561,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Baurzhan Muftakhidinov <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Калькулятор"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Режимі"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Түрі"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Көм_ек"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "Қарапа_йым"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "Кеңейтіл_ген"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "Қар_жылық"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "Бағдарл_амалау"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "Құра_масы"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Көшіру"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Кірі_стіру"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Бол_дырмау"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Қай_талау"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "Баптаулар"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Шығу"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "О_сы туралы"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1741,767 +1751,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s градус"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "градус,градустар"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s радиан"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "радиан,рад"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s градиан"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "градиан,градиандар,град"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Парсек"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s пк"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "парсек,парсектер,пк"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Жарықтық жыл"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s жж"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "жарық жылы,жарық жылдары,жж"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Астрономиялық бірліктер"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s аб"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "аб"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Теңіл милялары"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s теңіз милясы"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "теңіз милясы"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Милялар"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s миля"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "миля,милялар"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Километр"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s км"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "километр,километрлер,км"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Кабельтовтар"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s кабельтов"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "кабельтов"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Метр"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s м"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "метр,м"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Ярд"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s ярд"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ярд,ярдтар"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Фут"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s фут"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "фут,футтар"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Дюйм"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s дюйм"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "дюйм"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Сантиметр"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s см"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "сантиметр,сантиметрлер,см"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Миллиметр"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s мм"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "миллиметр,миллиметрлер,мм"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Микрометр"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s мкм"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "микрометр,микрометрлер,мкм"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Нанометр"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s нм"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "нанометр,нанометрлер,нм"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Гектар"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s га"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "гектар,гектарлар,га"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Акр"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s акр"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "акр,акрлар"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Шаршы метр"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Шаршы сантиметр"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Шаршы миллиметр"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Шаршы метр"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Галлон"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s галлон"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "галлон,галлондар"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s л"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "литр,литрлар,л"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Кварта"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s кварта"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "кварта,кварталар"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Пинта"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s пинта"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "пинта,пинталар"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s мл"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "миллилитр,миллилитрлер,мл,см³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s мкл"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "мм³,мкл"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Тонналар"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s т"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "тонна,тонналар"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Килограммдар"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s кг"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "килограмм,килограммдар,кг"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Фунттар"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s фунт"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "фунт,фунттар"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Унциялар"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s унция"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "унция,унциялар"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Грамм"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s г"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "грамм,граммдар,г"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Жыл"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s жыл"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "жыл,жылдар,жж"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Күн"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s күн"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "күн,күндер"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Сағат"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s сағат"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "сағат,сағаттар,сағ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Минут"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s минут"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "минут,минуттар,мин"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Секунд"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s с"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "секунд,секундтар,с"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Миллисекунд"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s мс"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "миллисекунд,мс"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Микросекунд"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s мкс"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "микросекунд,микросекундтар,мс"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Цельсий"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Кельвин"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s К"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "К"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Ранкин"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Бұрыш"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Ұзындық"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Аймақ"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Көлем"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Салмақ"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Ұзақтық"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Температура"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Қаржы"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/km.po b/po/km.po
index 9eafcc1..b8c3cbc 100644
--- a/po/km.po
+++ b/po/km.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2019\n"
-"Language-Team: Khmer (https://www.transifex.com/mate/teams/13566/km/)\n"
+"Language-Team: Khmer (https://app.transifex.com/mate/teams/13566/km/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "អង្គ​ចងចាំ"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "រយៈ​ដែល​បន្សំ"
 
@@ -215,7 +215,7 @@ msgstr "ថ្លៃ ៖"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "តម្លៃ​នាគត"
 
@@ -245,7 +245,7 @@ msgstr "ការ​បង់​ប្រាក់​តាម​ពេល​ក
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "ឆ្លងកាត់​​​អត្រា​ខុស​គ្នា​រវាង​ថ្លៃ​ទំនិញ​នៃ​​ផល​ចំណេញ"
 
@@ -266,7 +266,7 @@ msgstr "អត្រា​ខុសគ្នា​រវាង​ថ្លៃ​
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "ការ​បង់​ប្រាក់​តាម​ពេល​កំណត់"
 
@@ -293,7 +293,7 @@ msgstr "ប្រាក់​ដើម ៖"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "តម្លៃ​បច្ចុប្បន្ន"
 
@@ -309,7 +309,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "អត្រា​ការ​ប្រាក់​តាម​អំឡុង​ពេល"
 
@@ -477,7 +477,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "បញ្ចូល​កូដ​តួអក្សរ"
 
@@ -527,7 +527,7 @@ msgid "64-bit"
 msgstr "៦៤​ ប៊ីត"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "ចំណូល​ចិត្ត"
 
@@ -582,12 +582,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "ម៉ាស៊ីនគិតលេខ MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ម៉ាស៊ីន​គិត​លេខ"
 
@@ -950,12 +950,12 @@ msgstr "ប៊ូលីវ៉ារ រ៉េណេស៊ុយអេឡា"
 msgid "South African Rand"
 msgstr "រ៉ង់​អាហ្វ្រិក​ខាង​ត្បូង"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "កំហុស ៖ ចំនួន​អំឡុង​ពេល​ត្រូវតែ​វិជ្ជមាន"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -966,7 +966,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -983,7 +983,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1003,7 +1003,7 @@ msgstr ""
 "  --g-fatal-warnings ធ្វើ​ការ​ព្រមាន​ធ្ងន់ធ្ងរ​ទាំងអស់"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1013,13 +1013,13 @@ msgstr ""
 "  -s, --ដោះស្រាយ <equation>ដោះស្រាយ​សមីការ​ដែល​បាន​ផ្ដល់"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "អាគុយម៉ង់ --ដោះស្រាយ​ការ​ទាមទារ​សម័យ​ការ​​ត្រូវ​ដោះស្រាយ"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "អាគុយម៉ង់​ដែល​មិនស្គាល់ '%s'"
@@ -1034,294 +1034,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "ចំនួន​របស់ Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "របៀប​អក្សរ​តូច​ក្រោម [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "របៀប​អក្សរ​តូច​លើ [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "និទស្សន្ត​នៃ​វិទ្យាសាស្ត្រ [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "បន្ថែម [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "ដក [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "ពហុ​គុណ [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "ចែក [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "មេគុណ​ចែក"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "អនុគមន៍​​​បន្ថែម"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "និទស្សន្ត [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "ការេ [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "ភាគរយ [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "ហ្វាក់តូរីយ្យែល [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "តម្លៃ​ដាច់ខាត [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "អាគុយម៉ង់​កុំផ្លិច"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "ការ​បំបែក​ស្មុគស្មាញ"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "ឬ​​ស [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "ឬ​​ស​ការេ [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "ឡូការីត"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "ឡូការីត​ធម្មជាតិ"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "ស៊ីនុស"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "កូស៊ីនុស"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "តង់សង់"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "ស៊ីនុស​អ៊ីពែរបូល"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "កូស៊ីនុស​អ៊ីពែរបូល"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "តង់សង់​អ៊ីពែរបូល"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "ច្រាស [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "ប៊ូលីន និង"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "ប៊ូលីន ឬ"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "ប៊ូលីន​មិន​រួម​ជាមួយ OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "ប៊ូលីន NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "សមាសភាគ​លេខគត់"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "សមាសភាគ​នៃ​ប្រភាគ"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "សមាសភាគ​ពិត"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "សមាសភាគ​ប្រឌិត"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "សមាសភាគ​មួយ"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "សមាសភាគ​ពីរ"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "ក្រុម​ដើម [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "ក្រុម​ចុង [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "គណនា​លទ្ធផល"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "ដាក់​កត្តា [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "សម្អាត​ទិដ្ឋភាព [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "មិន​ធ្វើ​វិញ [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "រំលោះ​ការ​បដិសេធ​ទ្វេ"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "រយៈពេល​​នៃ​ហិរញ្ញវត្ថុ"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "បូក​រំលោះ​តួលេខ​ឆ្នាំ"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "រំលោះ​តាម​បន្ទាត់​ត្រង់"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "គោល​ពីរ"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "គោល​ប្រាំបី"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "គោល​ដប់​"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "គោល​ដប់ប្រាំមួយ"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1329,195 +1339,195 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "ជុំ"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "បាត"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Ceiling"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "ចុះហត្ថលេខា"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "ក្នុង"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "ប្ដូរ​ឯកតា​ការ​បម្លែង"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "គ្មាន​ប្រវត្តិ​មិន​ធ្វើ​វិញ"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "គ្មាន​ប្រវត្តិ​ធ្វើ​វិញ"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "គ្មាន​តម្លៃ​សមស្រប​ត្រូវ​ទុក​ឡើយ"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "លើស​ចំនួន ព្យាយាម​ទំហំ​ធំជាង​នេះ"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "អថេរ​ដែល​មិន​ស្គាល់ '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "មិន​​បាន​កំណត់​អនុគមន៍ '%s' ឡើយ"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "មិន​ស្គាល់​ការ​បម្លែង"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "កន្សោម​មិន​ត្រឹមត្រូវ"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "ការ​គណនា"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "ត្រូវ​ការ​លេខគត់​ដើម្បី​ដាក់​កត្តា"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "គ្មាន​តម្លៃ​សមស្រប​ ដើម្បី​​ប្ដូរ​​ឈ្នាប់​ឡើយ"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "គ្មាន​តម្លៃ​លេខគត់​​​ដែល​បាន​បង្ហាញ​ឡើយ"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1525,63 +1535,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "ដឺក្រេ"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "រ៉ាដ្យង់"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradians"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "ស្វ័យប្រវត្តិ"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "ថេរ"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "វិទ្យាសាស្ត្រ"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "វិស្វកម្ម"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "បង្ហាញ​​ការ​ដាក់​ទសភាគ %d"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "មិន​អាច​បើក​ឯកសារ​ជំនួយ​បាន​ទេ"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1589,7 +1599,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1597,142 +1607,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "ខឹម សុខែម, ម៉ន ម៉េត, សេង សុត្ថា, ចាន់ សម្បត្តិរតនៈ, សុខ សុភា"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "ម៉ាស៊ីន​គិតលេខ"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "របៀប"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr ""
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "ជំនួយ"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "ជា​គោល"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "កម្រិត​ខ្ពស់"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "ហិរញ្ញវត្ថុ"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "ការ​សរសេរ​កម្មវិធី"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "មាតិកា"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_អំពី"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "ប៊ូលីន AND ត្រូវ​បាន​កំណត់​ចំពោះ​តែ​លេខគត់​វិជ្ជមាន​ប៉ុណ្ណោះ"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "ប៊ូលីន OR ត្រូវ​បាន​កំណត់​​ចំពោះ​តែ​លេខគត់​វិជ្ជមាន​ប៉ុណ្ណោះ"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "ប៊ូលីន XOR ត្រូវ​បាន​កំណត់​ចំពោះ​តែ​លេខគត់​វិជ្ជមាន​ប៉ុណ្ណោះ"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "ប៉ូលីន NOT ត្រូវ​បាន​កំណត់​ចំពោះ​តែ​លេខគត់​វិជ្ជមាន​ប៉ុណ្ណោះ"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "ប្ដូរ​តែ​តម្លៃ​លេខគត់​វិជ្ជមាន​ប៉ុណ្ណោះ"
 
@@ -1787,7 +1797,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1796,763 +1806,763 @@ msgstr ""
 "(90°) ឡើយ"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "ច្រាស​ស៊ីនីស​មិន​ត្រូវ​បាន​កំណត់​ចំពោះ​តម្លៃ​ក្រៅពី [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "កូស៊ីនុស​​ច្រាស​មិន​ត្រូវ​បាន​កំណត់​ចំពោះ​​តម្លៃ​​ក្រៅ​​ពី [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "កូស៊ីនុស​អ៊ីពែរបូល​ច្រាស​មិន​ត្រូវ​បាន​កំណត់​ចំពោះ​តម្លៃ​តូច​ជាង​មួយ​ឡើយ"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s ដឺក្រេ"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "ដឺក្រេ ដឺក្រេ ដឺក្រេ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s រ៉ាដ្យង់"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "រ៉ាដ្យង់ រ៉ាដ្យង់ រ៉ាដ្យង់"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradians"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "កោដិគីឡូមាត្រ"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "កោដិគីឡូមាត្រ កោដិគីឡូមាត្រ កោដិគីឡូមាត្រ"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Light Years"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomical Units"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Nautical Miles"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "ម៉ាយល៍"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "ម៉ាយល៍ ម៉ាយល៍ ម៉ាយល៍"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "គីឡូម៉ែត្រ"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s គីឡូម៉ែត្រ"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "គីឡូម៉ែត្រ គីឡូម៉ែត្រ km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "តេឡេក្រាម"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "តេឡេក្រាម តេឡេក្រាម តេឡេក្រាម"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "រង្វាស់"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "រង្វាស់ រង្វាស់ រង្វាស់"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "ម៉ែត្រ"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "ម៉ែត្រ ម៉ែត្រ ម៉ាត្រ"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "យ៉ាត"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "យ៉ាត យ៉ាត យ៉ាត"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "ហ្វ៊ីតថ៍"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "ហ្វ៊ីតថ៍ ហ្វ៊ីតថ៍ ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "អ៊ិន្ឈ៍"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "អ៊ិន្ឈ៍"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "សង់ទីម៉ែត្រ"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "សង់ទីម៉ែត្រ សង់ទីម៉ែត្រ សង់ទីម៉ែត្រ សង់ទីម៉ែត្រ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "មិល្លីម៉ែត្រ​"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "មិល្លីម៉ែត្រ មិល្លីម៉ែត្រ មិល្លីម៉ែត្រ"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "មីក្រូ​ម៉ែត្រ"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "មីក្រូម៉ែត្រ មីក្រូម៉ែត្រ មីក្រូម៉ែត្រ"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometers"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometers,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "ហិកតា"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "ហិកតា ហិកតា ហិកតា"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "ម៉ែត្រ​ការេ"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "សង់ទីម៉ែត្រ​ការេ"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "មិល្លីម៉ែត្រ​ការេ"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "ម៉ែត្រគូប"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "ហ្គាលុង"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "ហ្គាលុង ហ្គាលុង ហ្គាលុង"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "លីត្រ"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "លីត្រ លីត្រ លីត្រ លីត្រ លីត្រ"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "ក្វាត"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "ក្វាត ក្វាត ក្វាត"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pints"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "មិល្លី​លីត្រ"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 "មិល្លី​លីត្រ មិល្លី​លីត្រ មិល្លី​លីត្រ  មិល្លី​លីត្រ មិល្លី​លីត្រ "
 "សង់ទីម៉ែត្រ​គូប​"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "មីក្រូ​លីត្រ"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "តោន"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "តោន តោន"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "គីឡូម៉ែត្រ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "គីឡូម៉ែត្រ គីឡូម៉ែត្រ គីឡូម៉ែត្រ គីឡូម៉ែត្រ គីឡូម៉ែត្រ គីឡូម៉ែត្រ"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "ផោន"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "ផោន ផោន"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ounces"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "ក្រាម"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "ក្រាម ក្រាម ក្រាម ក្រាម ក្រាម"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "ឆ្នាំ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "ឆ្នាំ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "ថ្ងៃ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ថ្ងៃ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "ថ្ងៃ ថ្ងៃ"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ម៉ោង"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hours"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ម៉ោង ម៉ោង"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "នាទី"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "នាទី នាទី"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "វិនាទី"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "វិនាទី វិនាទី"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "មិល្លីវិនាទី"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "មិល្លីវិនាទី មិល្លីវិនាទី មិល្លីវិនាទី"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "មីក្រូ​វិនាទី"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "មីក្រូ​វិនាទី មីក្រូ​វិនាទី us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "មុំ"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "ប្រវែង"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "ផ្ទៃ"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "ភាគ"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "ទម្ងន់"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "ថិរវេលា"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "សីតុណ្ហភាព"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "រូបិយប័ណ្ណ"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/kn.po b/po/kn.po
index 9f75212..fdc75c5 100644
--- a/po/kn.po
+++ b/po/kn.po
@@ -10,12 +10,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: karthik holla <[email protected]>, 2020\n"
-"Language-Team: Kannada (https://www.transifex.com/mate/teams/13566/kn/)\n"
+"Language-Team: Kannada (https://app.transifex.com/mate/teams/13566/kn/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -53,7 +53,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "ಮೆಮೊರಿ"
 
@@ -116,7 +116,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "ಚಕ್ರಬಡ್ಡಿ ಲೆಕ್ಕಾಚಾರದ ಅಂಶ"
 
@@ -217,7 +217,7 @@ msgstr "ಬೆಲೆ(_o):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "ಭವಿಷ್ಯದ ಮೌಲ್ಯ"
 
@@ -247,7 +247,7 @@ msgstr "ನಿಯಮಿತ ಹಣಸಂದಾಯ(_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "ಒಟ್ಟು ಲಾಭದ ಅಂಶ"
 
@@ -267,7 +267,7 @@ msgstr "ಅಂಶ(_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "ನಿಯಮಿತ ಹಣಸಂದಾಯ"
 
@@ -293,7 +293,7 @@ msgstr "ಬಂಡವಾಳ(_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "ಪ್ರಸಕ್ತ ಮೌಲ್ಯ"
 
@@ -309,7 +309,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "ನಿಯಮಿತ ಬಡ್ಡಿ ದರ"
 
@@ -477,7 +477,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "ಕ್ಯಾರೆಕ್ಟರ್ ಕೋಡ್ ಅನ್ನು ಸೇರಿಸು"
 
@@ -527,7 +527,7 @@ msgid "64-bit"
 msgstr "೬೪-ಬಿಟ್"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "ಆದ್ಯತೆಗಳು"
 
@@ -582,12 +582,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "ಮೇಟ್ ಕ್ಯಾಲ್ಕುಲೇಟರ್"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ಕ್ಯಾಲ್ಕುಲೇಟರ್"
 
@@ -950,12 +950,12 @@ msgstr "ವೆನಿಜುವೆಲನ್ ಬೊಲಿವರ್"
 msgid "South African Rand"
 msgstr "ಸೌತ್‌ ಆಫ್ರಿಕನ್ ರಾಂಡ್"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "ದೋಷ: ಅವಧಿಗಳ ಸಂಖ್ಯೆಯು ಧನಾತ್ಮಕವಾಗಿರಬೇಕು"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -966,7 +966,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -983,7 +983,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1003,7 +1003,7 @@ msgstr ""
 "  --g-fatal-warnings              ಎಲ್ಲಾ ಎಚ್ಚರಿಕೆಗಳನ್ನು ಮಾರಕವಾಗಿಸುತ್ತದೆ"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1013,13 +1013,13 @@ msgstr ""
 "  -s, --solve <equation>          ಒದಗಿಸಲಾದ ಸಮೀಕರಣವನ್ನು ಬಿಡಿಸುತ್ತದೆ"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "ಆರ್ಗುಮೆಂಟ್ --solve ಗಾಗಿ ಪರಿಹರಿಸಲು ಒಂದು ಸಮೀಕರಣದ ಅಗತ್ಯವಿರುತ್ತದೆ"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "ಗೊತ್ತಿರದ ಆರ್ಗುಮೆಂಟ್ '%s'"
@@ -1034,294 +1034,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "ಆಯ್ಲರನ ಸಂಖ್ಯೆ"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "ಅಡಿಬರಹದ ಕ್ರಮ [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "ಮೇಲ್ಬರಹದ ಕ್ರಮ [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "ವೈಜ್ಞಾನಿಕ ಎಕ್ಸ್ಪೋನೆಂಟ್ [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "ಕೂಡಿಸು [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "ವ್ಯವಕಲನ [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "ಗುಣಿಸು [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "ಭಾಗಿಸು [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "ಮಾಡ್ಯುಲಸ್ ಭಾಗಿಸುವಿಕೆ"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "ಹೆಚ್ಚುವರಿ ಕ್ರಿಯೆಗಳು"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "ಎಕ್ಸ್ಪೋನೆಂಟ್  [^ ಅಥವ **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "ವರ್ಗ [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "ಪ್ರತಿಶತ [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "ಪೂರ್ಣಾಕ ಗುಣಲಬ್ಧ [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "ಸಂಪೂರ್ಣ ಮೌಲ್ಯ [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "ಸಂಕೀರ್ಣ ಆರ್ಗ್ಯುಮೆಂಟ್"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "ಸಂಕೀರ್ಣ ಸಹವರ್ತಿ"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "ಮೂ [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "ವರ್ಗಮೂಲ  [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "ಲಾಗರಿತಮ್"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "ನ್ಯಾಚುರಲ್ ಲಾಗರಿತಮ್"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sine"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosine"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "ಹೈಪರ್ಬಾಲಿಕ್ Sine"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "ಹೈಪರ್ಬಾಲಿಕ್ Cosine"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "ಹೈಪರ್ಬಾಲಿಕ್ Tangent"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inverse Sine"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inverse Cosine"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inverse Tangent"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "ವಿಲೋಮ [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "ಬೂಲಿಯನ್ AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "ಬೂಲಿಯನ್ OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "ಬೂಲಿಯನ್ ಎಕ್ಸ್‌ಕ್ಲೂಸಿವ್ OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "ಬೂಲಿಯನ್ NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "ಪೂರ್ಣಾಂಕದ ಭಾಗ"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "ಭಿನ್ನರಾಶಿ ಭಾಗ"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "ವಾಸ್ತವ ಭಾಗ"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "ಕಾಲ್ಪನಿಕ ಭಾಗ"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "ಒಂದರ ಪೂರಕ"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "ಎರಡರ ಪೂರಕ"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "ಗುಂಪನ್ನು ಆರಂಭಿಸು [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "ಗುಂಪನ್ನು ಅಂತ್ಯಗೊಳಿಸು [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "ಫಲಿತಾಂಶವನ್ನು ಲೆಕ್ಕಹಾಕು"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "ಅಪವರ್ತ್ಯಗೊಳಿಸು [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "ಪ್ರದರ್ಶಕವನ್ನು ಸ್ವಚ್ಛಗೊಳಿಸು [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "ರದ್ದುಮಾಡು [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "ದ್ವಿಗುಣ ಕ್ಷೀಣ ಸವಕಳಿ"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "ಹಣಕಾಸು ಅವಧಿ"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "ವರ್ಷಗಳ ಅಂಕಿಗಳ ಸವಕಳಿಯ ಒಟ್ಟು ಮೊತ್ತ"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "ನೇರ ರೇಖೆಯ ಸವಕಳಿ"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "ಬೈನರಿ"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "ಆಕ್ಟಲ್"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "ದಶಾಂಶ"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "ಹೆಕ್ಸಾಡೆಸಿಮಲ್"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1330,7 +1340,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1338,188 +1348,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "ವೃತ್ತಾಕಾರ"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "ನೆಲ"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "ಛಾವಣಿ"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "ಸಂಕೇತ"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ", ಇದರಲ್ಲಿ"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "ಪರಿವರ್ತನೆ ಏಕಮಾನಗಳನ್ನು ಬದಲಾಯಿಸು"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "ರದ್ದುಗೊಳಿಸಿದ ಇತಿಹಾಸ ಇಲ್ಲ"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "ರದ್ದುಗೊಳಿಸಿದ ಇತಿಹಾಸ ಇಲ್ಲ"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "ಶೇಖರಿಸಲು ಸಮರ್ಪಕವಾದ ಯಾವುದೆ ಮೌಲ್ಯವಿಲ್ಲ"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "ಮಿತಿಮೀರಿದೆ. ಒಂದು ದೊಡ್ಡ ಪದದೊಂದಿಗೆ ಪ್ರಯತ್ನಿಸಿ"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "ಗೊತ್ತಿರದ ವೇರಿಯೇಬಲ್ '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "'%s' ಎಂಬ ಕ್ರಿಯೆಯನ್ನು ಸೂಚಿಸಲಾಗಿಲ್ಲ"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "ಗೊತ್ತಿರದೆ ಪರಿವರ್ತನೆ"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "'%s' ಟೋಕನ್‌ನಲ್ಲಿ ತಪ್ಪಾದ ಎಕ್ಸ್‍ಪ್ರೆಶನ್"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "ತಪ್ಪಾದ ಎಕ್ಸ್‍ಪ್ರೆಶನ್"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "ಲೆಕ್ಕಹಾಕಲಾಗುತ್ತಿ"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "ಅಪವರ್ತ್ಯಗೊಳಿಸಲು ಒಂದು ಪೂರ್ಣಾಂಕದ ಅಗತ್ಯವಿದೆ"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "ಬಿಟ್‌ವೈಸ್ ಶಿಫ್ಟ್‍ಗೆ ಯಾವುದೆ ಸಮರ್ಪಕವಾದ ಮೌಲ್ಯವಿಲ್ಲ"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "ತೋರಿಸಲಾದ ಮೌಲ್ಯವು ಪೂರ್ಣಾಂಕವಾಗಿಲ್ಲ"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1527,63 +1537,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "ಡಿಗ್ರಿಗಳು"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "ರೇಡಿಯನ್‌ಗಳು"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "ಗ್ರೇಡಿಯನ್‌ಗಳು"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "ಸ್ವಯಂಚಾಲಿತ"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "ನಿಶ್ಚಿತ"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "ವೈಜ್ಞಾನಿಕ"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "ಇಂಜಿನೀಯರಿಂಗ್"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d ದಶಾಂಶ ಸ್ಥಾನಗಳನ್ನು ತೋರಿಸು (_p)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "ನೆರವಿನ ಕಡತವನ್ನು ತೆರೆಯಲು ಸಾಧ್ಯವಾಗಿಲ್ಲ"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1591,7 +1601,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1599,143 +1609,143 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "ಶಂಕರ್ ಪ್ರಸಾದ್ <[email protected]>,ಕಾರ್ತಿಕ ಹೊಳ್ಳ <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "ಕ್ಯಾಲ್ಕುಲೇಟರ್(_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "ಕ್ರಮ(_M)"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "ನೋಟ(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "ನೆರವು(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "ಸರಳ(_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "ಸುಧಾರಿತ(_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "ಹಣಕಾಸು(_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "ಪ್ರೊಗ್ರಾಮಿಂಗ್(_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "ವಿಷಯಗಳು(_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "ಕಾಪಿ ಮಾಡು(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "ಅಂಟಿಸು(_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "ರದ್ದು ಮಾಡು(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "ಮತ್ತೊಮ್ಮೆ ಮಾಡು(_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "ಆದ್ಯತೆಗಳು(_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "ಹೊರನಡೆ(_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "ಇದರ ಬಗ್ಗೆ(_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "ಬೂಲಿಯನ್ AND ಅನ್ನು ಕೇವಲ ಧನಾತ್ಮಕ ಪೂರ್ಣಾಂಕಗಳಿಗೆ ಮಾತ್ರ ಸೂಚಿಸಲಾಗುತ್ತದೆ"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "ಬೂಲಿಯನ್ OR ಅನ್ನು ಕೇವಲ ಧನಾತ್ಮಕ ಪೂರ್ಣಾಂಕಗಳಿಗೆ ಮಾತ್ರ ಸೂಚಿಸಲಾಗುತ್ತದೆ"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "ಬೂಲಿಯನ್ XOR ಅನ್ನು ಕೇವಲ ಧನಾತ್ಮಕ ಪೂರ್ಣಾಂಕಗಳಿಗೆ ಮಾತ್ರ ಸೂಚಿಸಲಾಗುತ್ತದೆ"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "ಬೂಲಿಯನ್ NOT ಅನ್ನು ಕೇವಲ ಧನಾತ್ಮಕ ಪೂರ್ಣಾಂಕಗಳಿಗೆ ಮಾತ್ರ ಸೂಚಿಸಲಾಗುತ್ತದೆ"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "ಶಿಫ್ಟ್‍ ಕೇವಲ ಪೂರ್ಣಾಂಕ ಮೌಲ್ಯಗಳಿಗೆ ಮಾತ್ರ ಸಾಧ್ಯವಿರುತ್ತದೆ"
 
@@ -1790,7 +1800,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1798,761 +1808,761 @@ msgstr ""
 "π (180°) ಇಂದ π∕2 (90°) ನ ಗುಣಕಗಳ ಕೋನಗಳಿಗಾಗಿ ಟ್ಯಾಂಜೆಂಟ್ ಅನ್ನು ಸೂಚಿಸಲಾಗಿಲ್ಲ"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "ಹೊರಗಿನ ಮೌಲ್ಯಗಳಿಗೆ ಇನ್ವರ್ಸ್ ಸೈನ್ ಅನ್ನು ಸೂಚಿಸಲಾಗಿಲ್ಲ [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "ಹೊರಗಿನ ಮೌಲ್ಯಗಳಿಗೆ ಇನ್ವರ್ಸ್ ಕೊಸೈನ್ ಅನ್ನು ಸೂಚಿಸಲಾಗಿಲ್ಲ [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "ಒಂದಕ್ಕಿಂತಲೂ ಕಡಿಮೆಯ ಮೌಲ್ಯಗಳಿಗೆ ಇನ್ವರ್ಸ್ ಹೈಪರ್ಬೋಲಿಕ್ ಕೊಸೈನ್ ಅನ್ನು ಸೂಚಿಸಲಾಗಿಲ್ಲ"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s ಡಿಗ್ರಿಗಳು"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "ಡಿಗ್ರೀ,ಡಿಗ್ರೀಗಳು,ಡಿ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s ರೇಡಿಯನ್‌ಗಳು"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "ರೇಡಿಯನ್,ರೇಡಿಯನ್ಸ್‍,ರೇ"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s ಗ್ರೇಡಿಯನ್‌ಗಳು"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "ಗ್ರೇಡಿಯನ್‌,ಗ್ರೇಡಿಯನ್‌ಗಳು,ಗ್ರೇಡ್"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "ಪಾರ್ಸೆಕ್‌ಗಳು"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "ಪಾರ್ಸೆಕ್,ಪಾರ್ಸೆಕ್‌ಗಳು,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "ಜ್ಯೋತಿರ್ವರ್ಷಗಳು"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ಜ್ಯೋತಿರ್ವರ್ಷ,ಜ್ಯೋತಿರ್ವರ್ಷಗಳು,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "ಖಗೋಳಶಾಸ್ತ್ರದ ಏಕಮಾನಗಳು"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "ನಾಟಿಕಲ್ ಮೈಲುಗಳು"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "ಮೈಲುಗಳು"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "ಮೈಲ್,ಮೈಲುಗಳು,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "ಕಿಲೊಮೀಟರುಗಳು"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "ಕಿಲೊಮೀಟರ್,ಕಿಲೊಮೀಟರು,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "ಕೇಬಲ್‌ಗಳು"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "ಕೇಬಲ್‌,ಕೇಬಲ್‌ಗಳು,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "ಫಾತಮ್‌ಗಳು"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "ಫಾತಮ್‌,ಫಾತಮ್‌ಗಳು,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "ಮೀಟರುಗಳು"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "ಮೀಟರು,ಮೀಟರುಗಳು,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "ಯಾರ್ಡುಗಳು"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ಯಾರ್ಡು,ಯಾರ್ಡುಗಳು,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "ಅಡಿಗಳು"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "ಅಡಿ,ಅಡಿಗಳು,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ಇಂಚುಗಳು"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "ಇಂಚು,ಇಂಚುಗಳು,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "ಸೆಂಟಿಮೀಟರುಗಳು"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "ಸೆಂಟಿಮೀಟರ್,ಸೆಂಟಿಮೀಟರುಗಳು,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "ಮಿಲಿಮೀಟರುಗಳು"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "ಮಿಲಿಮೀಟರ್,ಮಿಲಿಮೀಟರುಗಳು,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "ಮೈಕ್ರೊಮೀಟರುಗಳು"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "ಮೀಟರ್,ಮೀಟರುಗಳು,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "ನ್ಯಾನೋಮೀಟರುಗಳು"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "ನ್ಯಾನೊಮೀಟರು,ನ್ಯಾನೋಮೀಟರುಗಳು,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "ಹೆಕ್ಟೇರುಗಳು"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "ಹೆಕ್ಟೇರು,ಹೆಕ್ಟೇರುಗಳು,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "ಎಕರೆಗಳು"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s ಎಕರೆಗಳು"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "ಎಕರೆ,ಎಕರೆಗಳು"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "ಚದರ ಮೀಟರುಗಳು"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "ಚದರ ಸೆಂಟಿಮೀಟರುಗಳು"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "ಚದರ ಮಿಲಿಮೀಟರುಗಳು"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "ಕ್ಯೂಬಿಕ್‌ ಮೀಟರುಗಳು"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "ಗ್ಯಾಲನ್‌ಗಳು"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "ಗ್ಯಾಲನ್,ಗ್ಯಾಲನ್‌ಗಳು,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "ಲೀಟರುಗಳು"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "ಲೀಟರ್,ಲೀಟರುಗಳು,ಲೀಟರ್,ಲೀಟರುಗಳು,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "ಕ್ವಾರ್ಟ್ಸ್‍"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "ಕ್ವಾರ್ಟ್,ಕ್ವಾರ್ಟ್ಸ್‍,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "ಪಿಂಟುಗಳು"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "ಪಿಂಟ್,ಪಿಂಟುಗಳು,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "ಮಿಲಿಲೀಟರುಗಳು"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "ಮಿಲಿಲೀಟರ್,ಮಿಲಿಲೀಟರುಗಳು,ಮಿಲಿಲೀಟರ್,ಮಿಲಿಲೀಟರುಗಳು,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "ಮೈಕ್ರೊಲೀಟರುಗಳು"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "ಟನ್ನುಗಳು"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ಟನ್,ಟನ್ನುಗಳು"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "ಕಿಲೋಗ್ರಾಮುಗಳು"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "ಕಿಲೋಗ್ರಾಮ್‌,ಕಿಲೋಗ್ರಾಮ್‌ಗಳು,ಕಿಲೋಗ್ರಾಮು,ಕಿಲೋಗ್ರಾಮುಗಳು,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "ಪೌಂಡುಗಳು"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "ಪೌಂಡ್‌,ಪೌಂಡುಗಳು,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "ಔನ್ಸುಗಳು"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ಔನ್ಸ್‍,ಔನ್ಸುಗಳು,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "ಗ್ರಾಮುಗಳು"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "ಗ್ರಾಮ್,ಗ್ರಾಮುಗಳು,ಗ್ರಾಮ್,ಗ್ರಾಮ್‌ಗಳು,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "ವರ್ಷಗಳು"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s ವರ್ಷಗಳು"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "ವರ್ಷ,ವರ್ಷಗಳು"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "ದಿನಗಳು"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ದಿನಗಳು"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "ದಿನ,ದಿನಗಳು"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ಗಂಟೆಗಳು"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ಗಂಟೆಗಳು"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ಗಂಟೆ,ಗಂಟೆಗಳು"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "ನಿಮಿಷಗಳು"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s ನಿಮಿಷಗಳು"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "ನಿಮಿಷ,ನಿಮಿಷಗಳು"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "ಸೆಕೆಂಡುಗಳು"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "ಸೆಕೆಂಡ್,ಸೆಕೆಂಡುಗಳು,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "ಮಿಲಿಸೆಕೆಂಡುಗಳು"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "ಮಿಲಿಸೆಕೆಂಡ್,ಮಿಲಿಸೆಕೆಂಡುಗಳು,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "ಮೈಕ್ರೊಸೆಕೆಂಡುಗಳು"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "ಮೈಕ್ರೊಸೆಕೆಂಡ್,ಮೈಕ್ರೊಸೆಕೆಂಡುಗಳು,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "ಸೆಲ್ಸಿಯಸ್"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "ಫ್ಯಾರನ್‌ಹೀಟ್"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "ಕೆಲ್ವಿನ್"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "ರಾಂಕಿನ್"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "ಕೋನ"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "ಉದ್ದ"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "ಕ್ಷೇತ್ರ"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "ಪರಿಮಾಣ"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "ತೂಕ"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "ಕಾಲಾವಧಿ"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "ಉಷ್ಣತೆ"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "ಕರೆನ್ಸಿ"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ko.po b/po/ko.po
index 34a62e4..ee9690c 100644
--- a/po/ko.po
+++ b/po/ko.po
@@ -6,19 +6,19 @@
 # Translators:
 # Alan Lee <[email protected]>, 2018
 # Wolfgang Ulbrich <[email protected]>, 2019
-# 박정규(Jung-Kyu Park) <[email protected]>, 2019
+# 1763f4a4329a2376c933c5e919a36cbc_341ca53 <1f851310383599d03339229d772e1290_119292>, 2019
 # Stefano Karapetsas <[email protected]>, 2019
-# Seong-ho Cho <[email protected]>, 2020
-# JungHee Lee <[email protected]>, 2021
+# Junghee Lee <[email protected]>, 2021
+# Seong-ho Cho <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: JungHee Lee <[email protected]>, 2021\n"
-"Language-Team: Korean (https://www.transifex.com/mate/teams/13566/ko/)\n"
+"Last-Translator: Seong-ho Cho <[email protected]>, 2022\n"
+"Language-Team: Korean (https://app.transifex.com/mate/teams/13566/ko/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -56,7 +56,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "메모리"
 
@@ -119,7 +119,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "복리 기간"
 
@@ -215,7 +215,7 @@ msgstr "취득 원가(_O):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "미래 가치"
 
@@ -243,7 +243,7 @@ msgstr "정기 상환(_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "총 이익률"
 
@@ -261,7 +261,7 @@ msgstr "이익(_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "정기 상환"
 
@@ -285,7 +285,7 @@ msgstr "원금(_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "현재 가치"
 
@@ -299,7 +299,7 @@ msgstr "일정 기간의 이자 지급 기간만큼 할인한 지급액을 기�
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "정기 이율"
 
@@ -457,7 +457,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "문자 코드 입력"
 
@@ -507,7 +507,7 @@ msgid "64-bit"
 msgstr "64비트"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "기본 설정"
 
@@ -566,12 +566,12 @@ msgstr ""
 "GNOME 계산기는 GNOME 계산기의 포크이며 GNOME 데스크탑 환경의 일부입니다. GNOME와 GNOME 계산기에 대해 더 알고 "
 "싶다면 프로젝트 홈페이지를 방문하십시오."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE 계산기 "
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "계산기"
 
@@ -932,12 +932,12 @@ msgstr "베네수엘라 볼리바르"
 msgid "South African Rand"
 msgstr "남아프리카공화국 랜드"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "오류: 기간은 0보다 커야 합니다"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -948,7 +948,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -965,7 +965,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -985,7 +985,7 @@ msgstr ""
 "  --g-fatal-warnings              모든 경고를 치명적으로 취급"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -995,13 +995,13 @@ msgstr ""
 "  -s, --solve <equation>          주어진 식을 풉니다"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "--solve 옵션에는 풀 식이 필요합니다"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "알 수 없는 인수 '%s'"
@@ -1016,294 +1016,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "오일러의 수"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "소숫점"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "아래 첨자 모드 [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "위 첨자 모드 [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "과학 지수 [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "더하기 [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "빼기 [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "곱하기 [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "나누기 [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "나머지 나누기"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "추가 기능"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "지수 [^ 또는 **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "제곱 [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "퍼센트 [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "팩토리얼 [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "절대값 [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "복소수 편각"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "복소켤레"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "루트 [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "제곱근 [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "로그"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "자연로그"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "사인"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "코사인"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "탄젠트"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "하이퍼볼릭 사인"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "하이퍼볼릭 코사인"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "하이퍼볼릭 탄젠트"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "역사인"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "역코사인 "
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "역탄젠트 "
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "역 삼각함수 [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "불리언 AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "불리언 OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "불리언 XOR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "불리언 NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "정수 부분"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "분수 부분"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "실수 부분"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "허수 부분"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "1의 보수"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "2의 보수"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "그룹 시작 [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "그룹 끝 [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "결과 계산"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "소인수 분해 [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "표시 값 지우기 [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "되돌리기 [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "왼쪽으로 이동 [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "오른쪽으로 이동 [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "이중 감가상각"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "회계 기간"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "연수합계 감가상각"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "정액 감가상각"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "2진수"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "8진수"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "10진수"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "16진수"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1311,195 +1321,195 @@ msgstr[0] "_%d번 위치"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "%d번 위치"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "반올림"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "내림"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "올림"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "부호"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " -> "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "변환 단위 바꾸기"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "되돌리기 기록 없음"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "다시 실행 기록 없음"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "제대로 된 값을 저장할 수 없습니다"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "오버플로우. 워드 크기를 늘려 보십시오"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "알 수 없는 변수 '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "'%s' 함수가 정의되지 않았습니다"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "변환 불가"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "수식 형식이 틀렸습니다 (토큰 '%s')"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "수식 형식이 틀렸습니다"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "계산 중"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "소인수 분해에는 정수 값이 필요합니다"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "비트 쉬프트의 값이 올바르지 않습니다"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "표시 중인 값이 정수가 아닙니다"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1507,63 +1517,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "육십분"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "라디안"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "그라디안"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "자동"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "고정"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "과학"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "공학"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d자리 십진수 표시(_P)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "도움말 파일을 열 수 없습니다"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE 문서화 팀"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1573,7 +1583,7 @@ msgstr ""
 "MATE 계산기는 자유 소프트웨어 입니다. 자유 소프트웨어 재단이 발표한 GNU 일반 공중 사용 허가서 버전 2 또는 (선택에 따라) 그"
 " 이상의 버전의 조항에 의거하여 재배포하거나 수정할 수 있습니다."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1584,7 +1594,7 @@ msgstr ""
 "있으리라는 묵시적인 보증을 포함한 어떠한 형태의 보증도 제공하지 않습니다. 보다 자세한 사항에 대해서는 GNU 일반 공중 사용 허가서를 "
 "참고하시기 바랍니다."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1594,18 +1604,18 @@ msgstr ""
 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 "
 "USA에 편지를 보내십시오."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "MATE 계산기"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1613,7 +1623,7 @@ msgstr ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Elex https://launchpad.net/~mysticzizone\n"
@@ -1625,113 +1635,113 @@ msgstr ""
 "MATE Desktop Environment Team <https://www.transifex.com/mate/teams/13566/ko/>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "계산기(_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "종류(_M)"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "보기(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "도움말(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "기본(_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "고급(_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "재무(_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "프로그래밍(_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "콘텐츠(_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "복사(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "붙여넣기(_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "되돌리기(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "재실행(_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "기본 설정(_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "끝내기(_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "정보(_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "불리언 AND는 양의 정수에 대해서만 정의됩니다"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "불리언 OR는 양의 정수에 대해서만 정의됩니다"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "불리언 XOR는 양의 정수에 대해서만 정의됩니다"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "불리언 NOT은 양의 정수에 대해서만 정의됩니다"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "쉬프트는 정수 값에 대해서만 가능합니다"
 
@@ -1786,767 +1796,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr "탄젠트는 π∕2(90°)에 π(180°) 배수를 더한 값에 대해서는 정의되지 않습니다"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "역 사인은 [-1, 1] 밖의 값에 대해서는 정의되지 않습니다"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "역 코사인은 [-1, 1] 밖의 값에 대해서는 정의되지 않습니다"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "역 하이퍼 코사인은 1보다 작은 값에 대해서는 정의되지 않습니다"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s도"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degree,degrees,deg,도"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radians"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad,라디안"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradians"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad,그라디안"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "파섹"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc,파섹"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "광년"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly,광년"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "천문학 단위"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au,천문단위"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "해리"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s 해리"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi,해리"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "마일"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi,마일"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "킬로미터"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometers,km,kms,킬로미터"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "케이블"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb,케이블"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "패덤"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm,패덤"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "미터"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meters,m,미터"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "야드"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd,야드"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "피트"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot,feet,ft,피트"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "인치"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in,인치"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "센티미터"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimeters,cm,cms,센티미터"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "밀리미터"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,millimeters,mm,밀리미터"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "마이크로미터"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometer,micrometers,um,마이크로미터"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "나노미터"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s 해리"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometers,nm,나노미터"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "헥타아르"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha,헥타아르"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "에이커"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s에이커"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres,에이커"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "제곱미터"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "제곱센티미터"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "제곱밀리미터"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "입방미터"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "갤런"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal,갤런"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "리터"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,liter,liters,L,리터"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "쿼트"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt,쿼트"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "파인트"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt,파인트"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "밀리리터"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,milliliter,milliliters,mL,cm³,밀리리터"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "마이크로리터"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL,마이크로리터"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "톤"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonne,tonnes,톤"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "킬로그램"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs,킬로그램"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "파운드"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound,pounds,lb,파운드"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "온스"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz,온스"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "그램"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,gramme,grammes,g,그램"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "년"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s년"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "year,years,년"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "일"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s일"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "day,days,일"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "시간"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s시간"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hour,hours,시간"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "분"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s분"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute,minutes,분"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "초"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "second,seconds,s,초"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "밀리초"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond,milliseconds,ms,밀리초"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "마이크로초"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecond,microseconds,us,μs,마이크로초"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "섭"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C,도C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "화씨"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F,도F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "켈빈"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "란씨"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra,도R"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "각도"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "길이"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "면적"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "음량"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "무게"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "기간"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "온도"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "통화"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ks.po b/po/ks.po
index 5a2a3d8..2073fa9 100644
--- a/po/ks.po
+++ b/po/ks.po
@@ -2,251 +2,291 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
 "Language-Team: Kashmiri (https://www.transifex.com/mate/teams/13566/ks/)\n"
+"Language: ks\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: ks\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +295,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +332,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr "बंद करिव (_C)"
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +909,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +925,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +933,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1260,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1100 +1268,1199 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
-msgstr "राकेश पंडित ([email protected])"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
+msgstr ""
+
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:325
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:362
+#, c-format
+msgid ""
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
+msgstr ""
+
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr "राकेश पंडित ([email protected])"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "मदद (_H)"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "मंज (_C)"
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "फेरिव (_U)"
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "बारे मंज (_A)"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "इंच"
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "मिलिमिटर"
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/ku.po b/po/ku.po
index e9a8f57..ffde546 100644
--- a/po/ku.po
+++ b/po/ku.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Kurdish (https://www.transifex.com/mate/teams/13566/ku/)\n"
+"Language-Team: Kurdish (https://app.transifex.com/mate/teams/13566/ku/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Bîr"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Vebijêrk"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Zanistî"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Erdal Ronahî"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Bergeh"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Alîkarî"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Bingehîn"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Pêşketî"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Malî"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Naverok"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Ji ber bigire"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Pê veke"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Vegerîne"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Dîsa bike"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Vebijêrk"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Derkeve"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Der barê"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Înç"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Santîgrat"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvîn"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/ku_IQ.po b/po/ku_IQ.po
index c5d05fe..b788294 100644
--- a/po/ku_IQ.po
+++ b/po/ku_IQ.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Rasti K5 <[email protected]>, 2020\n"
-"Language-Team: Kurdish (Iraq) (https://www.transifex.com/mate/teams/13566/ku_IQ/)\n"
+"Language-Team: Kurdish (Iraq) (https://app.transifex.com/mate/teams/13566/ku_IQ/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "بیرگە"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr "64-بیت"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "هەڵبژاردنەکان"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "ژمێرەری MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ژمێرەر"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr "ڕاندی ئەفریقایی باشوور"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr "پای [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "زیادکردن [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "ڕێژەی سەدی [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "لۆگاریتم"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "لۆگاریتمی سروشتی"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "ساین"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "کۆساین"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "تانگێت"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "ئەنجامی ژمێرکاری"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "دووانی"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "پلە"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "ڕادیەن(گۆشەی نیوەتیرەیی)"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "خۆکار"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "زانستی"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "ئەندازیاری"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_بژمێر"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_بینین"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_یارمەتی"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_سەرەتایی"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_پێشکەوتوو"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_بەرنامەسازی"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_ناوەڕۆک"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_لەبەرگرتنەوە"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_هەڵبژاردەکان"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_دەرچوون"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_دەربارە"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s پلە"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "پلە،پلە،پلە"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s ڕادیەن"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "ڕادیەن، ڕادیەنەکان، ڕاد"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "ساڵی ڕووناکی"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ساڵی ڕووناکی"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "میل"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s میل"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "کیلۆمەتر"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s کم"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "کیلۆمەتر،کیلۆمەتر،کم،کم"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "مەتر"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s م"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "مەتر،مەتر،م"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "یارد"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "پێ"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s پێ"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "پێ،پێ،پێ"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ئینج"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s ئینج"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "ئینج،ئینج،ئینج"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "سانتی مەتر"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s سم"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "سانتیمەر،سانتیمەتر،سم،سم"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "ملیمەتر"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s مم"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "ملیمەتر،ملیمەتر،مم"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "مایکرۆمەتر"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "نانۆمەتر"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s نم"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "نانۆمەتر،نانۆمەتر،نم"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "هێکتار"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "مەتر چوارگۆشە"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s م²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "م²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "سانتیمەتر چوارگۆشە"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s سم²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "سم²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "ملیمەتر چوارگۆشە"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s مم²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "مم²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "مەتر سێجا"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s م³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "م³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "گالۆن"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s گالۆن"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "گالۆن،گالۆن،گالۆن"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "لیتر"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s ل"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "لیتر،لیتر،لیتر،لیتر،ل"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "میلیمەتر"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "ملیلیتر،ملیلیتر،ملیلیتر،ملیلیتر،مل،سم³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "تۆن"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "کیلۆگرام"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s کگم"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "کیلۆگرام،کیلۆگرام،کیلۆگرام،کیلۆگرام،کگم،کگم"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "پاوەند"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "ئۆنس"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "گرام"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s گم"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "گرام،گرام،گرام،گرام،گم"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "ساڵ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s ساڵ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "ساڵ،ساڵ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "ڕۆژ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ڕۆژ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "ڕۆژ،ڕۆژ"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "کاتژمێر"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s کاتژمێر"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "کاتژمێر،کاتژمێر"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "خولەک"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s خولەک"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "خولەک،خولەک"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "چرکە"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s چ"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "چرکە،چرکە،چ"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "میلی چرکە"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "مایکرۆ چرکە"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "سیلیزی"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "هەفرەنهایت"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "کلڤن"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "کیلۆبایت"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "درێژی"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "ڕووبەر"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "قەبارە"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "بارستە"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "دووری"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "پلەی گەرمی"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "دراو"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ky.po b/po/ky.po
index 5f1a679..bec1407 100644
--- a/po/ky.po
+++ b/po/ky.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: 41e38594a6ab66d45dbd71e8e44a0b16_36d21e8, 2020\n"
-"Language-Team: Kyrgyz (https://www.transifex.com/mate/teams/13566/ky/)\n"
+"Language-Team: Kyrgyz (https://app.transifex.com/mate/teams/13566/ky/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Эс"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr "64 бит"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Ырастоолор"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE калькулятору"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Калькулятор"
 
@@ -917,12 +917,12 @@ msgstr "Венесуэла боливары"
 msgid "South African Rand"
 msgstr "Түштүк Африка ранды"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Белгисиз «%s» аргументи"
@@ -985,294 +985,304 @@ msgstr "Пи саны [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Эйлер саны"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Кошуу [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Алуу [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Көбөйтүү [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Бөлүү [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Кошумча функциялар"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Квадрат [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Пайыз [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Тамыр [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Квадраттык тамыр [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Логарифм"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Синус"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Косинус"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Тангенс"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Блокту баштоо [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Блокту бүтүрүү [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Натыйжасын эсептөө"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Дисплейди тазалоо [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Жокко чыгаруу [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Экилик"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Сегиздик"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Ондук"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1280,195 +1290,195 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Тегеректөө"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Белги"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "->"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Эсептелүүдө"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1476,63 +1486,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Градус"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Радиан"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Град"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Автоматтык"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Илимий"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Инженердик"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d ондук _разрядды көрсөтүү"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Жардам файлын ачуу оңунан чыккан жок"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1540,7 +1550,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1548,142 +1558,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Жумалиев Чыңгыз <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Калькулятор"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Режим"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Көрүнүш"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Жардам"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Жөнөкөй"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Кеңейтилген"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "Ка_ржы"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Программалоо"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Мазмундар"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Көчүрүү"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "К_оюу"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Жокко чыгаруу"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Кайтаруу"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Ырастоолор"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Чыгуу"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "Программа _жөнүндө"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1738,767 +1748,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s градус"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "градус, °"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s радиан"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "радиан, рад"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s град"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "град"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Парсек"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s пк"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "парсек, пк"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Жарык жылы"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s жр. ж."
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "жарык жылы, жа.ж."
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Астрономия бирдиги"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Деңиз милясы"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s деңиз милясы"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "деңиз милясы"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Миля"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s миля"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "миля"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Километр"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s км"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "километр, км"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Кабельтов"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s кабельтов"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "кабельтов"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Деңиз саржаны"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Метр"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s м"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "метр, м"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Ярд"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s ярд"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ярд"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Фут"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Дюйм"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s дюйм"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "дюйм"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Сантиметр"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s см"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "сантиметр, см"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Миллиметр"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s мм"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "миллиметр, мм"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Микрометр"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s мкм"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "микрометр, мкм"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Нанометр"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s нм"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "нанометр, нм"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Гектар"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s га"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "гектар, га"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Акр"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s акр"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "акр"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Чарчы метри"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s м²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "м²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Чарчы сантиметри"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s см²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "см²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Чарчы миллиметри"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s мм²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "мм²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Куб метри"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s м³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "м³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Галлон"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s галлон"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "галлон"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Литр"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s л"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "литр, л"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Кварта"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s кварт"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "кварта"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Пинта"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s пинт"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "пинта"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Миллилитр"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s мл"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "миллилитр, мл, см³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Микролитр"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s мкл"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "мм³, мкл"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Тонна"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s т"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "тонна"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Килограмм"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s кг"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "килограмм, кг"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Кадак"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Унция"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Грамм"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s г"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "грамм, г"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Жыл"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s жыл"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "жыл"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Күн"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s күн"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "күн"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Саат"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s саат"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "саат"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Минута"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s минута"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "минута"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Секунда"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s с"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "секунда, с"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Миллисекунда"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s мс"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "миллисекунда, мс"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Микросекунда"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s мкс"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "микросекунда, мкс"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Цельсий"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Фаренгейт"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Кельвин"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Ранкин"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Бурч"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Узундук"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Аянт"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Көлөм"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Салмак"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Убакыт"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Температура"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Валюта"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/li.po b/po/li.po
index 4ced935..f9109cc 100644
--- a/po/li.po
+++ b/po/li.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Limburgian (https://www.transifex.com/mate/teams/13566/li/)\n"
+"Language-Team: Limburgian (https://app.transifex.com/mate/teams/13566/li/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Ónthaud"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "Bi_ld"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Hulp"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Inhaud"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopiëre"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Plakke"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Óngeda_on make"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "He_rhaole"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Beèndige"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Euver"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/lt.po b/po/lt.po
index 0a02b07..9f4ab7a 100644
--- a/po/lt.po
+++ b/po/lt.po
@@ -5,18 +5,18 @@
 # 
 # Translators:
 # brennus <[email protected]>, 2018
-# Moo, 2020
-# Stefano Karapetsas <[email protected]>, 2020
 # Džiugas Grėbliūnas <[email protected]>, 2020
+# Moo, 2021
+# Stefano Karapetsas <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Džiugas Grėbliūnas <[email protected]>, 2020\n"
-"Language-Team: Lithuanian (https://www.transifex.com/mate/teams/13566/lt/)\n"
+"Last-Translator: Stefano Karapetsas <[email protected]>, 2022\n"
+"Language-Team: Lithuanian (https://app.transifex.com/mate/teams/13566/lt/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -54,7 +54,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Atmintis"
 
@@ -117,7 +117,7 @@ msgstr "konst"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Sudėtinis terminas"
 
@@ -218,7 +218,7 @@ msgstr "_Kaštai:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Būsimoji vertė"
 
@@ -248,7 +248,7 @@ msgstr "_Periodinis mokėjimas:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Bendras grynasis pelnas"
 
@@ -268,7 +268,7 @@ msgstr "Nor_ma:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodinis mokėjimas"
 
@@ -294,7 +294,7 @@ msgstr "_Pagrindinis kapitalas:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Dabartinė vertė"
 
@@ -311,7 +311,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodinė palūkanų norma"
 
@@ -476,7 +476,7 @@ msgstr "Bgp"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Įterpti simbolio kodą"
 
@@ -526,7 +526,7 @@ msgid "64-bit"
 msgstr "64 bitai"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Nustatymai"
 
@@ -588,12 +588,12 @@ msgstr ""
 " dalis. Jei norite sužinoti daugiau apie MATE ir MATE skaičiuotuvą, prašome "
 "apsilankyti projekto tinklalapyje."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE skaičiuotuvas"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Skaičiuotuvas"
 
@@ -954,12 +954,12 @@ msgstr "Venesuelos bolivaras"
 msgid "South African Rand"
 msgstr "Pietų Afrikos Respublikos randas"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Klaida, pasikartojimų skaičius turi būti teigiamas"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -970,7 +970,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -987,7 +987,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1007,7 +1007,7 @@ msgstr ""
 "  --g-fatal-warnings              Visi įspėjimai yra \"lemtingi\""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1017,13 +1017,13 @@ msgstr ""
 "  -s, --solve <equation>          Išspręsti duotą lygtį"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argumnetui --solve yra privaloma lygtis sprendimui"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Nežinomas argumentas „%s“"
@@ -1038,294 +1038,304 @@ msgstr "Pi [Vald+P]"
 msgid "Euler’s Number"
 msgstr "Oilerio skaičius"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Dešimtainis kablelis"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Skaičiaus apatinio indekso veiksena [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Skaičiaus viršutinio indekso veiksena [Vald]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Mokslinė eksponentė [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Pridėti [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Atimti [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Dauginti [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dalinti [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Dalyba su liekana"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Papildomos funkcijos"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Papildomos konstantos"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Eksponentinis [^ arba **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kvadratas [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Procentai [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktorialas [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Modulis [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Kompleksinis argumentas"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Kompleksinė konjunkcija"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Šaknis [Vald+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Kvadratinė šaknis [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmas"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Natūrinis logaritmas"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinusas"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinusas"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangentas"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hiperbolinis sinusas"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hiperbolinis kosinusas"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hiperbolinis tangentas"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Atvirkščias sinusas"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Atvirkščias kosinusas"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Atvirkščias tangentas"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Apversti [Vald+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Loginis IR"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Loginis ARBA"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Loginė griežta disjunkcija"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Loginis NE"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Sveikoji dalis"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Trupmeninė dalis"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Realioji dalis"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Menamoji dalis"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Bitinis vieneto papildymas"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Dvejetainis papildymas"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Pradėti grupę [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Užbaigti grupę [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Skaičiuoti rezultatą"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Išskaidyti [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Išvalyti ekraną [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Atšaukti [Vald+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Postūmis kairėn [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Postūmis dešinėn [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Dvigubai mažėjančios vertės nusidėvėjimas"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Finansinis terminas"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Nusidėvėjimas metų skaičiaus metodu"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Tiesiogiai proporcingas nusidėvėjimas"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Dvejetainis"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Aštuntainis"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Dešimtainis"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Šešioliktainis"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1336,7 +1346,7 @@ msgstr[3] "_%d vietų"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1346,188 +1356,188 @@ msgstr[2] "%d vietų"
 msgstr[3] "%d vietų"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Apvalinti"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Apatinė riba"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Viršutinė riba"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Ženklas"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Šviesos greitis"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/sek."
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Magnetinė konstanta"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Elektrinė konstanta"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Niutono gravitacijos konstanta"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Planko konstanta"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Elementarusis krūvis"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Elektrono masė"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Protono masė"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Avogadro konstanta"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " į "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Sukeisti vertimo vienetus"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Nėra atšaukimo istorijos"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Nėra atšaukimo istorijos"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Nėra sveikos reikšmės saugojimui"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Perpildymas. Mėginkite didesnį žodžio ilgį"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Nežinomas kintamasis '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Neapibrėžta funkcija '%s'"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Nežinoma konversija"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Blogai suformuota išraiška ties leksema „%s“"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Blogai suformuota išraiška"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Skaičiuojama"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Skaidymui reikalingas sveikas skaičius"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Nėra tinkamos reikšmės bitų pastūmimui"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Rodoma reikšmė nėra sveikas skaičius"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1535,63 +1545,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Laipsniai"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianai"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradientai"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatinis"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fiks"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Mokslinis"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Inžinerinis"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Rodyti %d dešimtainių _pozicijų"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Nepavyko atverti žinyno failo"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE dokumentacijos komanda"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1603,7 +1613,7 @@ msgstr ""
 " Laisvosios programinės įrangos fondo; 2-osios arba (Jūsų pasirinkimu) bet "
 "kurios vėlesnės licencijos versijos sąlygomis. "
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1615,7 +1625,7 @@ msgstr ""
 "TIKSLUI garantijų. Daugiau informacijos galite rasti GNU bendrojoje "
 "viešojoje licencijoje. "
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1625,7 +1635,7 @@ msgstr ""
 "skaičiuotuvu; jeigu negavote, rašykite Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA "
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1634,17 +1644,19 @@ msgstr ""
 "Skaičiuotuvas su finansiniais bei moksliniais priedais.\n"
 "Naudojami GNU MPFR %s ir GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Apie MATE skaičiuotuvą"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
+"Autorių teisės © 1986–2010 GCalctool autoriai\n"
+"Autorių teisės © 2011-2021 MATE kūrėjai"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Vertėjai:\n"
@@ -1659,114 +1671,114 @@ msgstr ""
 "Moo"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Skaičiuotuvas"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Režimas"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Rodymas"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Žinynas"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Paprastas"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Sudėtingesnis"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finansinis"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programuojamasis"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Istorija"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Turinys"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopijuoti"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Į_dėti"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Atša_ukti"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Pakartoti"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Išvalyti istoriją"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Nustatymai"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "Iš_eiti"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Apie"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Loginis IR apibrėžtas tik teigiamiems sveikiems skaičiams"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Loginis ARBA apibrėžtas tik teigiamiems sveikiems skaičiams"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 "Loginė griežta disjunkcija apibrėžta tik teigiamiems sveikiems skaičiams"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Loginis NE apibrėžtas tik teigiamiems sveikiems skaičiams"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Postūmis galimas tik sveikiems skaičiams"
 
@@ -1821,7 +1833,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "Rymano dzeta funkcija apibrėžta tik realiesiems skaičiams ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1829,23 +1841,23 @@ msgstr ""
 "Tangentas neapibrėžtas kampams, kurie yra π (180°) kartotiniai nuo π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Arksinusas neapibrėžtas reikšmėms už intervalo [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Arkkosinusas neapibrėžtas reikšmėms už intervalo [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "Arktangento funkcija neapibrėžta reikšmėms i ir -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Hiperbolinis arkkosinusas neapibrėžtas reikšmėms, mažesnėms arba lygioms "
@@ -1853,738 +1865,738 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr "Hiperbolinis arktangentas neapibrėžtas reikšmėms už (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s laipsnių"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "laipsnis,laipsniai,laips"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s gradientų"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radianas,radianai,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradientų"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradientas,gradientai,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsekų"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pk"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsekas,parsekai,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Šviesmečiai"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s šm"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "šviesmetis,šviesmečiai,šm"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronominiai vienetai"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s am"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "am"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Jūrmylės"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Mylios"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s myl"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mylia,mylios,myl"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometrai"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometras,kilometrai,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kabeltovas"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s kb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabeltovas,kabeltovai,kb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Fatomas"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fatomas,fatomai,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metrai"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metras,metrai,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Jardas"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s jd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jardas,jardai,jd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Pėda"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s pėd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "pėda,pėdos,pėd"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Colių"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s col"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "colis,coliai,col"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetrų"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimetras,centimetrai,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetrai"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimetras,milimetrai,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometrai"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometras,mikrometrai,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometrai"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s jm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometras,nanometrai,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektarai"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektaras,hektarai,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Akrai"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s akrų"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "akras,akrai"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Kvadratiniai metrai"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Kvadratiniai centimetrai"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Kvadratiniai milimetrai"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubiniai metrai"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galonai"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galonas,galonai,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litrai"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litras,litrai,l"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Kvortos"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s kt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kvorta,kvortos,kt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintos"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pintos,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitrai"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitras,mililitrai,ml,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikrolitrai"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μl"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μl,ul"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonos"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tona,tonos"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramai"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogramas,kilogramai,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Svarai"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "svaras,svarai,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Uncijos"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "uncija,uncijos,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramai"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gramas,gramai,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Metai"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s metai"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "metai"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dienos"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dienos"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "diena,dienos"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Valandos"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s valandos"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "valanda,valandos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutė"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutės"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minutė,minutės"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekundės"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekundė,sekundės,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisekundės"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisekundė,milisekundės,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekundės"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekundė,mikrosekundės,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsijaus"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "laipsC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheito"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "laipsF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvino"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankino"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "laipsR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Kampų matavimo vienetai"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Ilgis"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Plotas"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Garsis"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Svoris"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Trukmė"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatūra"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valiuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s%s"
diff --git a/po/lv.po b/po/lv.po
index ffecab6..a37b7fd 100644
--- a/po/lv.po
+++ b/po/lv.po
@@ -10,12 +10,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: duck <[email protected]>, 2020\n"
-"Language-Team: Latvian (https://www.transifex.com/mate/teams/13566/lv/)\n"
+"Language-Team: Latvian (https://app.transifex.com/mate/teams/13566/lv/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -53,7 +53,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Atmiņa"
 
@@ -116,7 +116,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Saliktais periods"
 
@@ -217,7 +217,7 @@ msgstr "I_zmaksas:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Vērtība nākotnē"
 
@@ -247,7 +247,7 @@ msgstr "_Periodiskie maksājumi:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Bruto peļņas norma"
 
@@ -267,7 +267,7 @@ msgstr "_Peļņa:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodiskie maksājumi"
 
@@ -293,7 +293,7 @@ msgstr "Ka_pitāls:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Pašreizējā vērtība"
 
@@ -310,7 +310,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodiskā procentu likme"
 
@@ -476,7 +476,7 @@ msgstr "Bpn"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Ievietot rakstzīmes kodu"
 
@@ -526,7 +526,7 @@ msgid "64-bit"
 msgstr "64 biti"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Iestatījumi"
 
@@ -581,12 +581,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Kalkulators"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulators"
 
@@ -946,12 +946,12 @@ msgstr "Venecuēlas bolivārs"
 msgid "South African Rand"
 msgstr "Dienvidāfrikas rands"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Kļūda — periodu skaitam jābūt pozitīvam"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -962,7 +962,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -979,7 +979,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -999,7 +999,7 @@ msgstr ""
 "  --g-fatal-warnings              Padarīt visus brīdinājumus fatālus"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1009,13 +1009,13 @@ msgstr ""
 "  -s, --solve <vienādojums>       Atrisināt doto vienādojumu"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Parametram --solve vajag izteiksmi, ko atrisināt"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Nezināms parametrs “%s”"
@@ -1030,294 +1030,304 @@ msgstr "Pī [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Eilera skaitlis"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Apakšraksta skaitļa režīms [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Augšraksta skaitļa režīms [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Zinātniskā kāpināšana [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Pieskaitīšana [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Atņemšana [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Reizināšana [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dalīšana [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulārā dalīšana"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Papildu funkcijas"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Kāpinātājs [^ vai **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Sakne [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Procenti [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktoriāls [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolūtā vērtība [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Komplekss arguments"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Kompleksi saistīts"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Sakne [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Kvadrātsakne [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritms"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Naturālais logaritms"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinuss"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinuss"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangenss"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hiperboliskais sinuss"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hiperboliskais kosinuss"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hiperboliskais tangenss"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inversais sinuss"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inversais kosinuss"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inversais tangenss"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Pretējs [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Loģiskais UN"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Loģiskais VAI"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Loģiskais izslēdzošais VAI"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Loģiskais NE"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Veselā daļa"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Daļveida daļa"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Reālā daļa"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginārā daļa"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Vieninieku papildkods"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Divnieku papildkods"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Bloka sākums [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Bloka beigas [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Aprēķināt rezultātu"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Sadalīt reizinātājos [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Nodzēst vērtību [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Atsaukt [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Paātrinātā amortizācija"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Finanšu termiņš"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Gada ciparu summas nolietojums"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Lineārā amortizācija"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binārs"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktāls"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimāls"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heksadecimāla"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1327,7 +1337,7 @@ msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1336,188 +1346,188 @@ msgstr[1] ""
 msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Apaļot"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Grīda"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Griesti"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Zīme"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " izteikts "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Pārslēgt konversijas vienības"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Nav darbību, ko atsaukt"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Nav atkārtošanas vēstures"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Nav saprātīgas vērtības, ko saglabāt"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Pārpilde. Mēģiniet ar lielāku vārda garumu"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Nezināms mainīgais “%s”"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funkcija “%s” nav definēta"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Nezināms pārveidojums"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Slikti formēta izteiksme pie marķiera “%s”"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Slikti formēta izteiksme"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Rēķina"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Vajag veselu skaitli, lai dalītu reizinātājos"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Nav saprātīgas vērtības bitu bīdīšanai"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Attēlotā vērtība nav vesels skaitlis"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1525,63 +1535,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grādi"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radiāni"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradiāni"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automātisks"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fiksēts"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Zinātniskais"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Inženierijas"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Rādīt %d ci_parus aiz komata"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Nevar atvērt palīdzības datni"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1589,7 +1599,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1597,144 +1607,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Launchpad Contributions:\n"
 "  Kristaps https://launchpad.net/~retail"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulators"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Režīms"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Skats"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Palīdzība"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Vienkāršais"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "P_aplašinātais"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finansiālais"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmēšanas"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Saturs"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopēt"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Izlikt"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Atsaukt"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Pāratsaukt"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Iestatījumi"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Iziet"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "P_ar"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Bula UN ir definēts tikai pozitīviem veseliem skaitļiem"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Bula VAI ir definēts tikai pozitīviem veseliem skaitļiem"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Bula izslēdzošais VAI ir definēts tikai pozitīviem veseliem skaitļiem"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Bula NE ir definēts tikai pozitīviem veseliem skaitļiem"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Bīdīšana ir iespējama tikai ar veseliem skaitļiem"
 
@@ -1789,7 +1799,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1798,761 +1808,761 @@ msgstr ""
 "reizinājumu – π∕2 + kπ, kur k ir vesels skaitlis."
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Apgrieztais sinus nav definēts ārpus intervāla [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Apgrieztais kosinus nav definēts ārpus intervāla [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Apgrieztais hiperboliskais kosinus ir nedefinēts vērtībām mazākām par viens"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s grādi"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grāds,grādi,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radiāni"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radiāns,radiāni,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradiāni"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradiāns,gradiāni,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parseki"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parseks,parseki,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Gaismas gadi"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "gaismas gads,gaismas gadi,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomiskās mērvienības"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Jūras jūdzes"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Jūdzes"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "jūdze,jūdzes,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometrs"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "Kilometrs,kilometri,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kabeļtauva"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabeļtauva,kabeļtauvas,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Jūras asis"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "jūras ass,jūras asis, ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metri"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metrs,metri,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Jardi"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jards,jardi,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Pēdas"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "pēda,pēdas,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Collas"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "colla,collas,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetri"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimetrs,centimetri,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetri"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimetrs,milimetri,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometri"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometrs,mikrometri,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometri"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometrs,nanometri,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektāri"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektārs,hektāri,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Akrs"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s akri"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "akrs,akri"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Kvadrātmetri"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Kvadrātcentimetri"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Kvadrātmilimetri"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubikmetri"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galoni"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galons,galoni,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litri"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litrs,litri,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Kvarta"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kvarta,kvarti,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintes"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pints,pintes,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitri"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitrs,mililitri,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikrolitri"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonnas"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonna,tonnas"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilograms"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilograms,kilogrami,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Mārciņas"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "mārciņa,mārciņās,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Unces"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "unce,unces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grami"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "grams,grami,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Gadi"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s gadi"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "gads,gadi"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dienas"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dienas"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "diena,dienas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Stundas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s stundas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "stunda,stundas"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minūtes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minūtes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minūte,minūtes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekundes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekunde,sekundes,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisekundes"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisekunde,milisekundes,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekundes"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekunde,mikrosekundes,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsiji"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Fārenheits"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvini"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Leņķis"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Garums"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Laukums"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Tilpums"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Svars"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Ilgums"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatūra"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valūta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/mai.po b/po/mai.po
index 973ecf9..85fc113 100644
--- a/po/mai.po
+++ b/po/mai.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Maithili (https://www.transifex.com/mate/teams/13566/mai/)\n"
+"Language-Team: Maithili (https://app.transifex.com/mate/teams/13566/mai/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "स्मृति"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr "लागत (_o):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "वरीयतासभ"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "कैलकुलेटर"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "हेक्साडेसीमल"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "भंडारन क'लेल कोनो नीक मान नहि"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "विरूपित अभिव्यक्ति"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "वैज्ञानिक"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "संगीता कुमारी ([email protected])"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "कैलकुलेटर (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "देखू (_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "मद्दति (_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "मौलिक (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "उन्नत (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "वित्तीय (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "विषय सूची (_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "कॉपी करू (_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "साटू (_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "पूर्ववत् करू (_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "दोहराबू (_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "वरीयतासभ (_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "बाहर (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "क' संबंधमे (_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "इंच"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "मिलीमीटर"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "सेल्सियस"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "केल्विन"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "आवाज"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/mg.po b/po/mg.po
index 9226170..34b47c6 100644
--- a/po/mg.po
+++ b/po/mg.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Malagasy (https://www.transifex.com/mate/teams/13566/mg/)\n"
+"Language-Team: Malagasy (https://app.transifex.com/mate/teams/13566/mg/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Arika"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Safidy"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Milina mpikajy"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Tsy misy sanda mitombina azo tahirizina"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Laza tsy mety"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Siantifika"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Fankasitrahana ny mpandika teny"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Milina mpikajy"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Seho"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Toro-làlana"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Fototra"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avo lenta"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Ara-bola"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Mpiaty"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Adikao"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Apetao"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Foano"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Avereno"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Safidy manokana"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Ajanony"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Mombamomba"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Fitoerana"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/mi.po b/po/mi.po
index 3f9e850..ea657c5 100644
--- a/po/mi.po
+++ b/po/mi.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Maori (https://www.transifex.com/mate/teams/13566/mi/)\n"
+"Language-Team: Maori (https://app.transifex.com/mate/teams/13566/mi/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Ngā tina hiahia"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Titiro"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Āwhina"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Ngā kai"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Tārua"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Whakapiri"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Whakakore"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Mahi Anō"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Whakamutu"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Mo"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/mk.po b/po/mk.po
index 2fa0160..1b5455a 100644
--- a/po/mk.po
+++ b/po/mk.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: exoos <[email protected]>, 2020\n"
-"Language-Team: Macedonian (https://www.transifex.com/mate/teams/13566/mk/)\n"
+"Language-Team: Macedonian (https://app.transifex.com/mate/teams/13566/mk/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Меморија"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Збирен израз"
 
@@ -215,7 +215,7 @@ msgstr "Ц_ена:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Идна вредност"
 
@@ -245,7 +245,7 @@ msgstr "_Периодична наплата:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Бруто маржа"
 
@@ -265,7 +265,7 @@ msgstr "_Маргина:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Рата на исплата"
 
@@ -291,7 +291,7 @@ msgstr "_Финансиски:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Сегашна вредност"
 
@@ -307,7 +307,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Периодична каматна стапка"
 
@@ -470,7 +470,7 @@ msgstr "бруто маржа"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Внеси код на знак"
 
@@ -520,7 +520,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Параметри"
 
@@ -575,12 +575,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Калкулатор"
 
@@ -941,12 +941,12 @@ msgstr "c"
 msgid "South African Rand"
 msgstr "Јужноафрикански ранд"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Грешка: бројот на запирки мора да е позитивен"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -957,7 +957,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -974,7 +974,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -994,7 +994,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1004,13 +1004,13 @@ msgstr ""
 "  -s, --solve <equation>          реши ја дадената равенка"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Аргумент --solve бара равенка за решавање"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Непознат аргумент „%s“"
@@ -1025,294 +1025,304 @@ msgstr "Пи [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Ојлеровиот број"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Режим на индекси [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Режим на експоненти [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Експонент [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Собирање [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Одземај [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Помножи [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Дели [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Делење со модули"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Додатни функции"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Експонент [^ или **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Квадрат [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Процент [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Факториел [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Апсолутна вредност [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Комплексен аргумент"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Комплексен конјугат"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Корен [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Квадратен корен [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Логаритам"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Природен логаритам"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Синус"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Косинус"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Тангенс"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Хиперболичка синусоида"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Хиперболичка косинусоида"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Хиперболичка тангента"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Инверз [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Булово И"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Булово ИЛИ"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Булово исклучително ИЛИ"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Булово НЕ"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Целоброен дел"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Дропкин дел"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Реален дел"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Имагинарен дел"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "1-комплемент"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "2-комплемент"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Започни група на пресметки [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Заврши ја групата [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Пресметај резултат"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Факторизирај [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Избриши ја прикажаната вредност [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Врати [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Двојно опаѓачка девалвација"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Финансиски член"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Девалвација според збирот на цифрите на годините"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Девалвација по права линија"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Бинарен"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Октален"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Децимала"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Хексадецимален"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1321,7 +1331,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1329,188 +1339,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Заокружи"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Подна функција"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Таванска функција"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Знак"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "во"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Смени ги единиците за конверзија"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Нема историја за отповикување"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Нема историја за отповикување"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Нема вистинска вредност за складирање"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Претекување. Пробајте со поголема големина на збор"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Непозната променлива „%s“"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Функцијата „%s“ не е дефинирана"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Непозната конверзија"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Погрешен израз"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Пресметувам"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Потребен е цел број за факторизирање"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Нема разумна вредност за да се направи битово поместување"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Прикажаната вредност не е целобројна"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1518,63 +1528,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Степени"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Радијани"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Градуси"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Автоматски"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Фиксен"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Научен"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Инженерски"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Покажи %d децимални _места"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Не можев да ја отворам датотеката со помош"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1582,7 +1592,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1590,142 +1600,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Арангел Ангов <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Калкулатор"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Режим"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Поглед"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Помош"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Основен"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Напреден"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Финансиски"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Програмирање"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Содржина"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Копирај"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Вметни"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Врати"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Повтори"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Параметри"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "Излез"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_За"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Булово И е дефинирана само за позитивни цели броеви"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Булово ИЛИ е дефинирана само за позитивни цели броеви"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Булово Исклучително ИЛИ е дефинирана само за позитивни цели броеви"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Булово НЕ е дефинирана само за позитивни цели броеви"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Поместувањето е можно само за позитивни цели броеви"
 
@@ -1780,7 +1790,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1789,760 +1799,760 @@ msgstr ""
 "(90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Аркус синус е недефиниран за вредности надвор од [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Аркус косинус е недефиниран за вредности надвор од [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "Аркус синус хиперболикум е недефиниран за вредности помали од еден"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s степени"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "степен,степени,сте"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s радијани"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "радијан,радијани,рад"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s градуси"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "градус,градијани,град"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Парсеци"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "парсек,парсеци,пс"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Светлосни години"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "светлосна година,светлосни години,сг"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Астрономски единици"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Наутички милји"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Милји"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "милја,милји,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Километри"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "километар,километри,km,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Кабли"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "кабел,кабли,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Fathoms"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Метри"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "метар,метри,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Јарди"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "јард,јарди,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Стапки"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "стапка,стапки,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Инчи"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "инч,инчи,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Сантиметри"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "сантиметар,сантиметри,cm,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Милиметри"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "милиметар,милиметри,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Микрометри"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "микрометар,микрометри,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Нанометри"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "нанометар,нанометри,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Хектари"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "хектар,хектари,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Акри"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s акри"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "акр,акри"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Квадратни метри"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Квадратни сантиметри"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Квадратни милиметри"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Кубни метри"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Галони"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "галон,галони,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Lit"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "литар,литри,литар,литри,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarts"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Пинти"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "пинт,пинти,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Милилитри"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "милилитар,милилитри,милилитар,милилитри,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Микролитри"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Тони"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "тон,тони"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Килограми"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "килограм,килограми,килограм,килограми,kg,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Фунти"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "фунта,фунти,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Унци"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "унца,унци,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Грамови"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "грам,грамови,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Години"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s години"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "година,години"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Денови"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s денови"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "ден,денови"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Час"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s часови"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "час,часови"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Минути"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s минути"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "минута,минути"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Секунди"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "секунда,секунди,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Милисекунди"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "милисекунда,милисекунди,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Микросекунди"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "микросекунда,микросекунди,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Целзиусови"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Фаренхајт"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Келвинови"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Агол"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Должина"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Површина"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Волумен"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Тежина"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Времетраење"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Температура"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Валута"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ml.po b/po/ml.po
index 5c590c8..03b472d 100644
--- a/po/ml.po
+++ b/po/ml.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Malayalam (https://www.transifex.com/mate/teams/13566/ml/)\n"
+"Language-Team: Malayalam (https://app.transifex.com/mate/teams/13566/ml/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "മെമ്മറി"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "കോപൌണ്ടിങ് ടേം"
 
@@ -215,7 +215,7 @@ msgstr "_വില:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "ഫ്യൂച്ചര്‍ വാല്ല്യൂ"
 
@@ -245,7 +245,7 @@ msgstr "_പീരിയോഡിക് പേയ്മെന്റ്:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "മൊത്തം ലാഭം പരിധി "
 
@@ -265,7 +265,7 @@ msgstr "_പരിധി:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "പീരിയോഡിക് പേയ്മെന്റ്"
 
@@ -291,7 +291,7 @@ msgstr "_മുതല്‍:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "നിലവിലുള്ള മൂല്ല്യം"
 
@@ -308,7 +308,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "പീരിയോഡിക് പലിശ നിരക്ക്"
 
@@ -475,7 +475,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "ക്യാരക്ടര്‍ കോഡ് ഇടയ്ക്കു് ചേര്‍ക്കുക"
 
@@ -525,7 +525,7 @@ msgid "64-bit"
 msgstr "64 ബിറ്റ്"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "മുന്‍ഗണനകള്‍"
 
@@ -580,12 +580,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ഗണനി"
 
@@ -951,12 +951,12 @@ msgstr "വെനസ്വേലന്‍ ബോലിവര്‍"
 msgid "South African Rand"
 msgstr "ദക്ഷിണാഫ്രിക്കന്‍ റാന്റ്"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "പിശക്: പീരിയഡുകളുടെ എണ്ണം പോസിറ്റീവ്"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -967,7 +967,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -984,7 +984,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1004,7 +1004,7 @@ msgstr ""
 "  --g-fatal-warnings              എല്ലാ മുന്നറിയിപ്പുകളും പ്രാധാന്യമാക്കുക"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1014,7 +1014,7 @@ msgstr ""
 "  -s, --solve <equation>          തന്നിരിക്കുന്ന സമവാക്യം പരിഹരിക്കുക"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
@@ -1022,7 +1022,7 @@ msgstr ""
 "ആവശ്യമുണ്ടു്"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "അപരിചിതമായ ആര്‍ഗ്യുമെന്റ് '%s'"
@@ -1037,294 +1037,304 @@ msgstr "പൈ [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "ഓയിലറിന്റെ സംഖ്യ (e)"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "സബ്സ്ക്രിപ്റ്റ് മോഡ് [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "സബ്സ്ക്രിപ്റ്റ് മോ‍ഡ് [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "സൈന്റിഫിക് എക്സ്പോണന്റ് [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "കൂട്ടുക [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "കുറയ്ക്കുക [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "ഗുണിക്കുക [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "വിഭജിക്കുക [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "ദശയുലസ് ഡിവിഷന്‍ [M]"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "കൂടുതല്‍ ക്രിയകള്‍"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "എക്സ്പൊണന്റ് [^ അല്ലെങ്കില്‍ **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "വര്‍ഗ്ഗം [@]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "ശതമാനം [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "ഫാക്ടോറിയല്‍ [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "ശരിയ്ക്കുള്ള മൂല്യം [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "കോംപ്ലക്സ് ആര്‍ഗ്യുമെന്റ്"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "കോപ്ലക്സ് കോഞ്ചുഗേറ്റ്"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "റൂട്ട് [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "സ്ക്വയര്‍ റൂട്ട് [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "ലോഗരിതം"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "നാച്ചുറല്‍ ലോഗരിഥം"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "സൈന്‍ [k]"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "കോസൈന്‍ [j]"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "റ്റാഞ്ചന്റ്"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "ഹൈപ്പര്‍ബോളിക് സൈന്‍"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "ഹൈപ്പര്‍ബോളിക് കോസൈന്‍"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "ഹൈപ്പര്‍ബോളിക് ടാഞ്ചന്റ്"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "തിരിച്ചു് [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "ബൂളിയന്‍ AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "ബൂളിയന്‍ OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "ബൂളിയന്‍ എക്സ്‌ക്ലൂസീവ് OR "
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "ബൂളിയന്‍ NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "പൂര്‍ണ്ണസംഖ്യയുടെ ഭാഗം"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "ഭിന്നസംഖ്യാ ഘടകം"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "റിയല്‍ കോംപണന്റ്"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "ഇമാജിനറി കോംപണന്റ്"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "ഒന്നിന്റെ കോംപൊണന്റ്"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "രണ്ടിന്റെ കോംപൊണന്റ്"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "ഗ്രൂപ്പ് ആരംഭം [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "ഗ്രൂപ്പ് അവസം [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "ഫലം കണ്ടുപിടിക്കുക"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "ഘടകങ്ങളാക്കു [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "സ്ക്രീന്‍ വെടിപ്പാക്കുക [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "വേണ്ട [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "ഡബിള്‍-ഡിക്ലൈനിങ്ങ് വിലയിടിവു്"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "ഫിനാന്‍ഷ്യല്‍ വാക്ക്"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "വര്‍ഷത്തിന്റെ അക്കങ്ങളുടെ വിലയിടിവു്"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "നേര്‍രേഖാ വിലയിടിവു്"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "ബൈനറി"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "ഒക്റ്റല്‍"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "ഡെസിമല്‍"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "ഹെക്സാ ഡെസിമല്‍"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1333,7 +1343,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1341,188 +1351,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "വട്ടത്തില്‍"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "ഫ്ലോര്‍"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "സീലിങ്"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "ചിഹ്നം"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " ല്‍ "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "കണ്‍വേര്‍ഷന്‍ യൂണിറ്റുകള്‍ മാറ്റുക"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "ആവശ്യമില്ലാത്തവയുടെ നാള്‍വഴി ലഭ്യമല്ല"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "വീണ്ടും ചെയ്യുവാനുള്ളവയുടെ നാള്‍വഴി ലഭ്യമല്ല"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "സൂക്ഷിയ്ക്കാനായി യുക്തമായ വിലകളൊന്നുമില്ല"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "കവിഞ്ഞൊഴുകി. വലിയ വ്യാപ്തിയുള്ള വേര്‍ഡ് വ്യാപ്തി ശ്രമിക്കുക"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "വേരിയബിള്‍ '%s'അപരിചിതം"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "ഫംഗ്ഷന്‍ '%s' അപരിചിതം"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "അജ്ഞാത കണ്‍വേര്‍ഷന്‍"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "തെറ്റായ എക്സ്‌പ്രഷന്‍"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "കണക്കുകൂട്ടുന്നു"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "ഫാക്ടറൈസ് ചെയ്യുന്നതിനായി ഇന്റിജര്‍ ആവശ്യമുണ്ടു്"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "ബിറ്റ്‌വൈസ് ഷിഫ്റ്റ് നടത്താന്‍ യുക്തമായ വിലകളൊന്നുമില്ല"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "കാണിച്ച മൂല്ല്യം ഇന്റിജറല്ല"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1530,63 +1540,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "ഡിഗ്രി"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "റേഡിയന്‍"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "ഗ്രേഡിയന്‍സ്"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "ഓട്ടോമാറ്റിക്"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "സ്ഥിരം"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "ശാസ്ത്രീയം"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "സാങ്കേതികം"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d_ദശാംശ സ്ഥാനങ്ങള്‍ കാണിക്കു"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "സഹായ ഫയല്‍ തുറക്കാന്‍ കഴിയുന്നില്ല"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1594,7 +1604,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1602,144 +1612,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "അനി പീറ്റര്‍ <[email protected]>\n"
 "പ്രവീണ്‍ അരിമ്പ്രത്തൊടിയില്‍ <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_ഗണനി"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_കാഴ്ച"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_സഹായം"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_അടിസ്ഥാനമായ"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_സങ്കീര്‍ണ്ണമായ"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_ധനകാര്യം"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_പ്രോഗ്രാമിങ്"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_ഉളളടക്കം"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "പകര്‍ത്തുക (_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "ഒട്ടിയ്ക്കുക"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "വേണ്ട"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "വീണ്ടും"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "മുന്‍ഗണനകള്‍"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "പുറത്ത് കടക്കുക (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_സംബന്ധിച്ച്"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "ബൂളിയന്‍ AND പോസിറ്റീവ് ഇന്റിജറുകള്‍ക്കു് മാത്രമുള്ളതാകുന്നു"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "ബൂളിയന്‍ OR പോസിറ്റീവ് ഇന്റിജറുകള്‍ക്കു് മാത്രമുള്ളതാകുന്നു"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "ബൂളിയന്‍ XOR പോസിറ്റീവ് ഇന്റിജറുകള്‍ക്കു് മാത്രമുള്ളതാകുന്നു"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "ബൂളിയന്‍ NOT പോസിറ്റീവ് ഇന്റിജറുകള്‍ക്കു് മാത്രമുള്ളതാകുന്നു"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "ഇന്റിജര്‍ മൂല്ല്യങ്ങളില്‍ മാത്രമേ ഷിഫ്റ്റ് സാധ്യമാകൂ"
 
@@ -1794,7 +1804,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1803,27 +1813,27 @@ msgstr ""
 "ടാഞ്ചറ്റ് നിഷ്കര്‍ഷിച്ചിട്ടില്ല"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 "[-1, 1]-നു് പുറത്തുള്ള മൂല്ല്യങ്ങള്‍ക്കു് തിരിച്ചുള്ള സൈന്‍ "
 "നിഷ്കര്‍ഷിച്ചിട്ടില്ല"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 "[-1, 1]-നു് പുറത്തുള്ള മൂല്ല്യങ്ങള്‍ക്കു് തിരിച്ചുള്ള കോസൈന്‍ "
 "നിഷ്കര്‍ഷിച്ചിട്ടില്ല"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "ഒന്നില്‍ കുറഞ്ഞ മൂല്ല്യങ്ങള്‍ക്കു് തിരിച്ചുള്ള ഹൈപ്പര്‍ബോളിക് കോസൈന്‍ "
@@ -1831,738 +1841,738 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s ഡിഗ്രീകള്‍"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "ഡിഗ്രീ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s റേഡിയന്‍സ്"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "റേഡിയന്‍"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s ഗ്രേഡിയന്‍സ്"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "ഗ്രേഡിയന്‍"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "പാര്‍സെക്‌"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "പ്രകാശ വര്‍ഷം"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "സൗരദൂരം"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "നോട്ടിക്കല്‍ മൈല്‍"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "മൈല്‍"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "കിലോമീറ്റര്‍"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometers,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "കേബിള്‍"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "ഫാതം"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "മീറ്റര്‍"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "മീറ്റര്‍"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "യാര്‍ഡ്"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "യാര്‍ഡ്"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "അടി"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "അടി"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ഇഞ്ച്"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "ഇഞ്ച്"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "സെന്റീമീറ്റര്‍"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "സെന്റിമീറ്റര്‍"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "മില്ലിമീറ്റര്‍"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "മില്ലിമീറ്റര്‍"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "മൈക്രോമീറ്റര്‍"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "മൈക്രോമീറ്റര്‍"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "നാനോമീറ്റര്‍"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "നാനോമീറ്റര്‍"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "ഹെക്റ്റര്‍"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "ഹെക്ടര്‍"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "ഏക്കര്‍"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s ഏക്കറുകള്‍"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "ഏക്കര്‍"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "സ്ക്വയര്‍ മീറ്ററുകള്‍"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "മീറ്റര്‍²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "സ്ക്വയര്‍ സെന്റീമീറ്റര്‍"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "സെ.മി²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "സ്ക്വയര്‍ മില്ലിമീറ്റര്‍"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "മി.മി²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "ക്യൂബിക് മീറ്റര്‍"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "മീറ്റര്‍³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "ഗാലന്‍"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s ഗാലണ്‍"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "ഗാലണ്‍"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "ലിറ്റര്‍"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "ലിറ്റര്‍"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "ക്വാര്‍ട്സ്"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "ക്വാര്‍ട്ട്സ്"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "പൈന്‍റ്റ്"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "പൈന്റ്"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "മില്ലിലിറ്റര്‍"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "മില്ലിലിറ്റര്‍"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "മൈക്രോലിറ്റര്‍"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "ടണ്‍"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ടണ്‍"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "കിലോഗ്രാം"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "കിലോഗ്രാം"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "പൌണ്ട്"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "പൌണ്ടുകള്‍"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "ഔണ്‍സ്"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ഔണ്‍സ്"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "ഗ്രാം"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "ഗ്രാം"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "വര്‍ഷം"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s വര്‍ഷങ്ങള്‍"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "വര്‍ഷങ്ങള്‍"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "ദിവസം"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ദിവസങ്ങള്‍"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "ദിവസങ്ങള്‍"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "മണിക്കുര്‍"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s മണിക്കുര്‍"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "മണിക്കുര്‍"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "മിനിറ്റ്"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s മിനിറ്റ്"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "മിനിറ്റ്"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "സെക്കന്റ്"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "സെക്കന്റ്"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "മില്ലി സെക്കന്റ്"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "മില്ലിസെക്കന്റ്"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "മൈക്രോ സെക്കന്റ്"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "മൈക്രോസെക്കന്റ് μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "സെല്‍ഷ്യസ്"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "ഫാരന്‍ഹീറ്റ്"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "കെല്‍വിന്‍"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "റാങ്കിന്‍"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "കോണ്‍ അളവ്"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "നീളം"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "വ്യാപ്തി"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "വോള്യം"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "തൂക്കം"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "സമയപരിധി"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "താപനില"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "നോട്ട്"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/mn.po b/po/mn.po
index f6ef8b6..69f7ee0 100644
--- a/po/mn.po
+++ b/po/mn.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Zorig, 2020\n"
-"Language-Team: Mongolian (https://www.transifex.com/mate/teams/13566/mn/)\n"
+"Language-Team: Mongolian (https://app.transifex.com/mate/teams/13566/mn/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Санах ой"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -211,7 +211,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -239,7 +239,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -281,7 +281,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -498,7 +498,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Тохиргоо"
 
@@ -553,12 +553,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Тооны машин"
 
@@ -918,12 +918,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -932,7 +932,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -944,7 +944,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -957,7 +957,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -965,13 +965,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -986,294 +986,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1282,7 +1292,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1290,188 +1300,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1479,63 +1489,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1543,7 +1553,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1551,144 +1561,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Сүхбаатарын Дөлмандах <[email protected]> \n"
 "Санлигийн Бадрал 2004, <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Харах"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Тусламж"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Агуулагдхуун"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Хуулах"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Буулгах"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Цуцлах"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Сэргээх"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Тохиргоо"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "/Файл/_Гарах"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Тухай"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1743,767 +1753,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/mr.po b/po/mr.po
index 957ccde..a6f7723 100644
--- a/po/mr.po
+++ b/po/mr.po
@@ -5,16 +5,16 @@
 # 
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2020
-# Vaibhav S Dalvi <[email protected]>, 2020
+# Vaibhav S Dalvi <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Vaibhav S Dalvi <[email protected]>, 2020\n"
-"Language-Team: Marathi (https://www.transifex.com/mate/teams/13566/mr/)\n"
+"Last-Translator: Vaibhav S Dalvi <[email protected]>, 2022\n"
+"Language-Team: Marathi (https://app.transifex.com/mate/teams/13566/mr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "मेमरि"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "संयुग संज्ञा"
 
@@ -216,7 +216,7 @@ msgstr "किंमत (_o):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "भविष्यातील मूल्य"
 
@@ -247,7 +247,7 @@ msgstr "नियतकालिक हप्ता (_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Gross Profit Margin"
 
@@ -267,7 +267,7 @@ msgstr "सीमा (_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "नियमित हप्ता"
 
@@ -293,7 +293,7 @@ msgstr "मुद्दल (_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "वर्तमान मूल्य"
 
@@ -310,7 +310,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "कालावधीचा व्याज दर"
 
@@ -477,7 +477,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "कॅरेक्टर कोड अंतर्भुत करा"
 
@@ -527,7 +527,7 @@ msgid "64-bit"
 msgstr "64-बिट"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "प्राधान्यक्रम"
 
@@ -582,12 +582,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "मेट गणनयंत्र"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "गणनयंत्र"
 
@@ -949,12 +949,12 @@ msgstr "वेनेझ्युएलन बोलिवर"
 msgid "South African Rand"
 msgstr "साऊथ आफ्रिकन रँड"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "त्रुटी: पिरिअड्स्ची संख्या पॉजिटिव्ह असावे"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -965,7 +965,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -982,7 +982,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1002,7 +1002,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1012,13 +1012,13 @@ msgstr ""
 "  -s, --solve <equation>          दिलेले समांतरचे निर्धारण"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "घटक --solve निवारण करीता समीकरण आवश्यक आहे"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "अपरिचीत घटक '%s'"
@@ -1033,294 +1033,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Euler संख्या"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "दशांश बिंदू"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "सबस्क्रिप्ट मोड [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "सुपस्क्रिप्ट मोड [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "साइंटिफिक एक्सपोनंट [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "[+] जोडा"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "वजा करा [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "गुणाकार [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "भागाकार [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "मॉड्युलस डिव्हाइड"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "अगाऊ फंक्शन्स्"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "एक्सपोनंट [^ किंवा **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "स्क्वेअर [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "टक्केवारी [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "फॅक्टोरिअल [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "ॲब्सोल्युट मूल्य [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "काँम्पलेक्स घटक"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "काँम्पलेक्स काँजुगेट"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "रूट [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "स्वेअर रूट [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "लॉगरिदम"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "नॅचरल लॉगरिदम"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "साइन"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "कोसाइन"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "टांजेंट"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "हायपरबोलिक साइन"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "हायपरबोलिक कोसाइन"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "हायपरबोलिक टँजेंट"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "इंवर्स साइन"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "इंवर्स कोसाइन"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "इंवर्स टांजेंट"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "इंवर्स् [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "बूलिअन AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "बूलिअन OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "बूलिअन एक्सक्लुझिव्ह OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "बूलिअन NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "इंटिजर भाग"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "फ्रॅक्शनल भाग"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "रिअल घटक"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "इमॅजिनरि घटक"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "वन्स् काँम्पिमेंट"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "टूज काँम्पिमेंट"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "स्टार्ट ग्रूप [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "एंड ग्रूप [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "गणना परिणाम"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "फॅक्टोराइज [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "डिस्पले [एस्केप] नष्ट करा"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "पूर्ववत् करा [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "डबल डिक्लाइनिंग डिप्रिकेशन"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "वित्तीय संज्ञा"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "वर्षाचे एकूण संख्यामधील अंकीय घसरण"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "स्ट्रैन"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "बाइनरि"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "ऑक्टल"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "दशांश "
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "हेक्साडेसीमल"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1329,7 +1339,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1337,188 +1347,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "राउंड"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "फ्लौर"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "सिलिंग"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "साइन"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "रूपांतरन युनिट्स् बदला"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "बदल रद्द कराचे इतिहास नाही"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "पूर्वावत् करा इतिहास"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "जतन करण्यासाठी योग्य मूल्य नाही"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "ओव्हरफ्लो. मोठे शब्द आकार वापरून पहा"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "अपरिचीत वेरियेबल '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "फंक्शन '%s' व्याख्ययीत नाही"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "अपरिचीत रूपांतर"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "टोकन '%s' मधील सदोषीत वाक्यरचना"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "सदोषीत वाक्यरचना"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "गणन करत आहे"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "फॅक्टोराइज करण्यासाठी इंटिजर आवश्यक"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "बिटवाइज शिफ्टकरीता सेन मूल्य नाही"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "दाखवलेले मूल्य इंटिजर नाही"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1526,63 +1536,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "डिग्रिज्"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "रेडियन्स्"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "ग्रेडियन्स्"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "स्वयं"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "ठरलेले"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "शास्त्रीय"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "इंजिनिअरिंग"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d डेसिमल ठिकाण दाखवा (_p)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "मदत फाइल उघडण्यास अपयशी"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1590,7 +1600,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1598,142 +1608,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "भाषांतराचे श्रेय Vaibhav Dalvi<[email protected]> 2014"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "गणनयंत्र (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "मोड (_M)"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "दृश्य(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "मदत(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "मुलभूत (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "प्रगत (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "वित्तिय (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "प्रोग्रामींग (_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "विषयसूची (_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "प्रत बनवा (_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "चिकटवा (_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "बदल रद्द करा(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "पुन्हा करा (_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "प्राधान्यता (_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "बाहेर पडा (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "विषयी (_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "बूलिअन AND फक्त पॉझिटिव्ह क्रमांकांकरीता व्याख्ययीत केले जाते"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "बूलिअन OR फक्त पॉझिटिव्ह क्रमांकांकरीता व्याख्ययीत केले जाते"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "बूलिअन XOR फक्त पॉझिटिव्ह क्रमांकांकरीता व्याख्ययीत केले जाते"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "बूलिअन NOT फक्त पॉझिटिव्ह क्रमांकांकरीता व्याख्ययीत केले जाते"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "शिफ्ट फक्त इंटिजर मूल्यांवर संभाव्य आहे"
 
@@ -1788,7 +1798,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1796,760 +1806,760 @@ msgstr ""
 "π∕2 (90°) पासून π (180°) चे मल्टिपल्स् असणार्या अँग्सकरीता अव्याख्यीत टँजेंट"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "[-1, 1] बाहेरील मूल्यांकरीता अव्याख्यीत इंवर्स् साइन"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "[-1, 1] बाहेरील मूल्यांकरीता अव्याख्यीत इंवर्स् कोसाइन"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "एकपेक्षा कमी मूल्यांकरीता अव्याख्यीत इंवर्स् हायपरबोलिक टँजेंट"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s डिग्रिज्"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degree,degrees,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s रेडियन्स्"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s ग्रेडियन्स्"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "पार्सेक्स्"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "लाइट इअर्स्"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "ॲस्ट्रोनॉमिकल युनिट्स्"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "नॉटिकल माइल्स्"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "माइल्स्"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "किलोमिटर्स्"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometers,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "कॅबेल्स्"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "फॅदम्स्"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "मिटर्स्"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meters,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "यार्डस्"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "फीट"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot,feet,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "इंचेस्"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "सेंटिमिटर्स्"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimeters,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "मिलिमिटर्स्"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,millimeters,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "माइक्रोमिटर्स्"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometer,micrometers,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "नॅनोमिटर्स्"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometers,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "हेक्टर्स्"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "एकर्स्"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s एकर्स्"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "स्कवेअर मिटिर्स्"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "स्क्वेअर सेंटिमिटर्स्"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "स्वेअर मिलिमिटर्स्"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "क्युबिक मिटर्स्"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "गॅलन्स्"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "लिटर्स्"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,liter,liters,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "क्वार्टस्"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "क्वार्ट,क्वार्टस्,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "पिंट्स्"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "मिलिलिटर्स्"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "माइक्रोलिटर्स्"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "टोन्स्"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "टोन,टोन्स्"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "किलोग्राम्स्"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "पाउंड्स्"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound,pounds,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "आउंसेस्"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "ग्राम्स्"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,gramme,grammes,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "वर्ष"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s वर्ष"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "वर्ष,वर्ष"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "दिवस"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s दिवस"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "दिवस,दिवस"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "तास"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s तास"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "तास,तास"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "मिनिटे"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s मिनीटे"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "मिनिट,मिनिट"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "सेंकद"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "सेकंद,सेकंद,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "मिलिसेकंद"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond,milliseconds,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "माइक्रोसेकंद"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "माइक्रोसेकंद,माइक्रोसेकंद,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "सेल्सिअस"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "फरेंहैट"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "केल्विन"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "रँकिन"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "कोन"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "लांबी"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "क्षेत्र"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "आवाज"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "वजन"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "कालावधी"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "तापमान"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "चलन"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ms.po b/po/ms.po
index 06ca13e..0497479 100644
--- a/po/ms.po
+++ b/po/ms.po
@@ -6,16 +6,16 @@
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
 # Puretech <[email protected]>, 2019
-# abuyop <[email protected]>, 2021
+# abuyop <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: abuyop <[email protected]>, 2021\n"
-"Language-Team: Malay (https://www.transifex.com/mate/teams/13566/ms/)\n"
+"Last-Translator: abuyop <[email protected]>, 2022\n"
+"Language-Team: Malay (https://app.transifex.com/mate/teams/13566/ms/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -53,7 +53,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Ingatan"
 
@@ -116,7 +116,7 @@ msgstr "malar"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Terma Pengkompaunan"
 
@@ -217,7 +217,7 @@ msgstr "K_os:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Nilai Masa Hadapan"
 
@@ -248,7 +248,7 @@ msgstr "_Pembayaran Berkala:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Margin Keuntungan Bersih"
 
@@ -268,7 +268,7 @@ msgstr "_Margin:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pembayaran Berkala"
 
@@ -294,7 +294,7 @@ msgstr "_Prinsipal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Nilai sekarang"
 
@@ -311,7 +311,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Kadar Tempoh Faedah"
 
@@ -477,7 +477,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Masukkan Kod Aksara"
 
@@ -527,7 +527,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Keutamaan"
 
@@ -588,12 +588,12 @@ msgstr ""
 "Persekitaran Desktop MATE. Jika anda mahu ketahui lebih lanjut mengenai MATE"
 " dan Kalkulator MATE, sila lawati laman sesawang projek."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Kalkulator MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulator"
 
@@ -955,12 +955,12 @@ msgstr "Bolivar Venezuela"
 msgid "South African Rand"
 msgstr "Rand Afrika Selatan"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Ralat: bilangan tempoh mesti positif"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -971,7 +971,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -988,7 +988,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1008,7 +1008,7 @@ msgstr ""
 "  --g-fatal-warnings              Jadikan semua amaran mati"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1018,13 +1018,13 @@ msgstr ""
 "-s, --solve <equation> Selesaikan persamaan diberi"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Hujah --solve memerlukan persamaan untuk diselesaikan"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Argumen '%s' tidak diketahui"
@@ -1039,294 +1039,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Nombor Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Titik perpuluhan"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Mod subskrip [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Mod superskrip [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Eksponen saintifik [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Tambah [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Tolak [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Darab [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Bahagi [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulus bahagi"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Fungsi tambahan"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Pemalar tambahan"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponen [^ atau **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kuasa dua [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Peratusan [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Nilai mutlak [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argumen kompleks"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Konjugat kompleks"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Punca Kuasa [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Punca kuasa dua [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritma"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritma asli"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangen"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sinus hiperbolik"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Kosinus hiperbolik"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangen hiperbolik"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Sinus Songsang"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Kosinus Songsang"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Tangen Songsang"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Songsang [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolean AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolean OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolean Exclusive OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolean NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Komponen Interger"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Komponen Pecahan"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Komponen Nyata"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Komponen Khayalan"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Satu Pelengkap"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Dua Pelengkap"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Mula kumpulan [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Akhir kumpulan [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Kira Hasil"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktorkan [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Kosong Paparan [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Buat Asal [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Shift Kiri [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Shift Kanan [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Susut Nilai Penurunan Berganda"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Terma Kewangan"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Jumlah Susut nilai Digit Tahun"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Susut Nilai Bergaris-Lurus"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binari"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Desimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heksadesimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1334,195 +1344,195 @@ msgstr[0] "_%d tempat"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "_%d tempat"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Bulat"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Lantai"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Siling"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Tanda"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Kelajuan Cahaya"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Pemalar magnet"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Pemalar elektrik"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Pemalar graviti Newton"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Pemalar Planck"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Cas unsur"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Jisim elektron"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Jisim proton"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Pemalar Avogadro"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "dalam"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Tukar unti pertukaran"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Tiada buat asal sejarah"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Tiada buat semula sejarah"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Tiada nilai yang boleh disimpan"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Melimpah. Cuba saiz perkataan yang lebih besar"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Pembolehubah '%s' tidak diketahui"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Fungsi '%s' tidak ditakrif"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Penukaran tidak diketahui"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Ungkapan cacat pada token '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Ungkapan cacat"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Mengira"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Perlukan integer untuk difaktorkan"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Tiada nilai munasabah ke shift bitwise"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Nilai dipaparkan bukan interger"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1530,63 +1540,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Darjah"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radian"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradian"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatik"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Tetap"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Saintifik"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Kejuruteraan"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Papar %d tempat _perpuluhan"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Tidak boleh buka fail bantuan"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Pasukan Dokumentasi MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1598,7 +1608,7 @@ msgstr ""
 "telah dikeluarkan oleh Free Software Foundation; sama ada versi ke-2 lesen, "
 "atau (mengikut pilihan anda) sebarang versi terkemudian."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1610,7 +1620,7 @@ msgstr ""
 "UNTUK SESUATU TUJUAN. Sila rujuk GNU General Public LIcense untuk keterangan"
 " lanjut."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1620,7 +1630,7 @@ msgstr ""
 "MATE; jika tiada, laporkan ke Free Software Foundation, Inc., 51 Franklin "
 "Street, Fifth Floor, Boston, MA 02110-1301, USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1629,11 +1639,11 @@ msgstr ""
 "Kalkulator dengan mod kewangan dan saintifik.\n"
 "Menggunakan GNU MPFR %s dan GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Perihal Kalkulator MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1641,118 +1651,118 @@ msgstr ""
 "Hak Cipta © 1986–2010 Pengarang GCalctool\n"
 "Hak Cipta © 2011-2021 Pembangun MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Abuyop"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mod"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Lihat"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Bantuan"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Asas"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Lanjutan"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Kewangan"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Pengaturcaraan"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "Se_jarah"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Kandungan"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Salin"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Tampal"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "B_uat asal"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Buat semu_la"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Kosongkan Sejarah"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Keutamaan"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Keluar"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "Perih_al"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Boolean AND hanya ditakrif untuk integer positif"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Boolean OR hanya ditakrif untuk integer positif"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolean XOR hanya ditakrif untuk integer positif"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Boolean NOT hanya ditakrif untuk integer positif"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Shift hanya mungkin untuk nilai integer"
 
@@ -1808,7 +1818,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "Fungsi zeta Riemann hanya ditakrif untuk angka sebenar ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1816,23 +1826,23 @@ msgstr ""
 "Tangen tidak ditakrif untuk sudut yang dikali dengan n (180°) dari π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Sinus songsang tidak ditakrif untuk nilai diluar [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Kosinus songsang tidak ditakrif untuk nilai diluar [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "Fungsi lengkok tangen tidak ditakrif untuk nilai i dan -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Hiperbolik songsang kosinus tidak tertakrif untuk nilai kurang daripada atau"
@@ -1840,738 +1850,738 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr "Tangen hiperbolik songsang tidak ditakrif untuk nilai diluar (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s darjah"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "darjah,darjah,darj"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radian"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radian,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradian"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradian,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsec"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,persec,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Tahun Cahaya"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "tahun cahaya,tahun cahaya,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unit Astronomi"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Batu Nautika"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Batu"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s bt"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "batu,batu,bt"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometer"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometer,km,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kabel"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabel,kabel,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Fathom"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathom,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Meter"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meter,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Ela"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s ela"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ela,ela,ela"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Kaki"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "kaki,kaki,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inci"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inci,inci,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Sentimeter"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s sm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "sentimeter,sentimeter,sm,sm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimeter"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,millimeter,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometer"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometer,mikrometer,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometer"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometer,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektar"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectar,hectar,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Ekar"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s ekar"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "ekar,ekar"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Meter Persegi"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Sentimeter Persegi"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s sm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "sm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milimeter Persegi"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Meter Padu"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gelen"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr " %s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gelen,gelen,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liter"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liter,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Kuart"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kuart,kuart,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pain"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pain,pain,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililiter"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililiter,mililiter,mL,"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikroliter"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s "
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Ton"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ton,ton"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogram"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilogram,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Paun"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "paun,paun,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Auns"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "auns,auns,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gram"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,gram,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Tahun"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s tahun"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "tahun,tahun"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Hari"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s hari"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "hari,hari"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Jam"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s jam"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "jam,jam"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minit"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minit"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minit,minit"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Saat"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "saat,saat,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisaat"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisaat,milisaat,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosaat"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosaat,mikrosaat,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Selsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "darjC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenhait"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "darjF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s "
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "darjR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Sudut"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Jarak"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Luas"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volum"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Berat"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Masa"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Suhu"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Matawang"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/my.po b/po/my.po
index 7468ed0..e13acc1 100644
--- a/po/my.po
+++ b/po/my.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2019\n"
-"Language-Team: Burmese (https://www.transifex.com/mate/teams/13566/my/)\n"
+"Language-Team: Burmese (https://app.transifex.com/mate/teams/13566/my/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "ရည်မှန်းတန်ဖိုး"
 
@@ -238,7 +238,7 @@ msgstr "_P ပုံမှန်ပေးငွေ:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr "_M စည်း"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "ပုံမှန်ပေးငွေ"
 
@@ -280,7 +280,7 @@ msgstr "_P နည်းဥပဒေသ:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "လက်ရှိတန်ဖိုး"
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr "၆၄-ဘစ်"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "လိုလားချက်များ"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ဂဏန်းတွက်စက်"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "%s ၏ဆိုလိုရင်းကိုမသိပါ"
@@ -985,294 +985,304 @@ msgstr "ပိုင်[Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Eular ကိန်း"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "သိပ္ပံနည်းပညာဆိုင်ရာသုံးထပ်ညွှန်း[Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "ပေါင်း[+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "နှုတ်[-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "မြှောက်[*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "စား[/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "ထပ်တိုးလုပ်ဆောင်ချက်များ"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "ထပ်ညွှန်း[^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "နှစ်ထပ်ကိန်း[Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "ရာခိုင်နှုံန်း"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "မြှောက်ဖော်ကိန်း[!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "ပဂတိတန်ဖိုး[|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "ကိန်းရင်း[Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "နှစ်ထပ်ကိန်းရင်း[Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sine"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosine"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolic Sine"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolic Cosine"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolic Tangent"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "လှန်ကိန်း[Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolen AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolen OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolen XOR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolen NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "ကိန်းစစ်နှင့်ဆိုင်သောအပိုင်း"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "အပိုင်းကိန်းနှင့်ဆိုင်သောအပိုင်း"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "ကွင်းစ[(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "ကွင်းပိတ်[)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "အဖြေတွက်ပါ"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "ဆခွဲကိန်းခွဲပါ[Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "ရှင်းလင်းပါ[Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "နောက်ပြန်[Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "ငွေကြေးဆိုင်ရာအခေါ်အဝေါ်"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "ဒွိကိန်း"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "ရှစ်လီစိတ်"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "ဆယ်လီစိတ်"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "တစ်ဆယ့်ခြောက်လီစိတ်"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1280,195 +1290,195 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "ပတ်လည်"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "ထည့်ပါ"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "သိမ်းဆည်းရန်သင့်တော်သောတန်ဖိုးမဟုတ်ပါ"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "ကျော်လွန်သွားပါပြီ, ပိုကြီးသောစာလုံးအရွယ်အစားကိုရွေးချယ်ပါ"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "ကိန်းရှင် '%s' ကိုမသိပါ"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "လုပ်ဆောင်ချက် '%s' ကိုမသတ်မှတ်ရသေးပါ"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "ပုံစံမကျသောဖြည့်သွင်းချက်"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "ဆခွဲကိန်းခွဲရန်ကိန်းစစ်လိုအပ်ပါသည်"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "ကိန်းစစ်မဟုတ်သောတန်ဖိုးကိုဖော်ပြပါ"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1476,63 +1486,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "ဒီဂရီ"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "ရေဒီရမ်"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "ဂရေဒီရမ်"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "အတိအကျ"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "သိပ္ပံနည်းပညာသုံးပုံစံ"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "အင်ဂျင်နီရာသုံးပုံစံ"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "_P ဒသမနောက်မှ %d  နေရာပြပါ"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "အကူအညီဖိုင်ကိုဖွင့်၍မရနှိုင်ပါ"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1540,7 +1550,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1548,142 +1558,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_C ဂဏန်းတွက်စက်"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_M သုံမည့်ပုံစံ"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr ""
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_H အကူအညီ"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_B အခြေခံသုံး"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_A အဆင့်မြင့်သုံး"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_F ငွေကြေးဆိုင်ရာသုံး"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_P ပရိုဂရမ်မာသုံး"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_C မာတိကာ"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr ""
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Boolean AND ကိုအပေါင်းကိန်းများတွင်သာအသုံးပြုနှိုင်သည်"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Boolean OR ကိုအပေါင်းကိန်းများတွင်သာအသုံးပြုနှိုင်သည်"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolean XOR ကိုအပေါင်းကိန်းများတွင်သာအသုံးပြုနှိုင်သည်"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Boolean NOT ကိုအပေါင်းကိန်းများတွင်သာအသုံးပြုနှိုင်သည်"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1738,767 +1748,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/nb.po b/po/nb.po
index 4e79c29..227330a 100644
--- a/po/nb.po
+++ b/po/nb.po
@@ -4,23 +4,23 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Alexander Jansen <[email protected]>, 2018
 # Kenneth Jenssen <[email protected]>, 2018
 # Imre Kristoffer Eilertsen <[email protected]>, 2019
 # b84df44fb72862b85bae7a669218c6c2, 2019
 # Kim Malmo <[email protected]>, 2019
 # Stefano Karapetsas <[email protected]>, 2020
 # Allan Nordhøy <[email protected]>, 2020
-# heskjestad <[email protected]>, 2021
+# Alexander Jansen <[email protected]>, 2022
+# Kaci Heskjestad, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: heskjestad <[email protected]>, 2021\n"
-"Language-Team: Norwegian Bokmål (https://www.transifex.com/mate/teams/13566/nb/)\n"
+"Last-Translator: Kaci Heskjestad, 2022\n"
+"Language-Team: Norwegian Bokmål (https://app.transifex.com/mate/teams/13566/nb/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -58,7 +58,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Minne"
 
@@ -121,7 +121,7 @@ msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Sammensatt uttrykk"
 
@@ -222,7 +222,7 @@ msgstr "K_ost:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Fremtidig verdi"
 
@@ -253,7 +253,7 @@ msgstr "_Periodisk betaling:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Margin for bruttofortjeneste"
 
@@ -273,7 +273,7 @@ msgstr "_Margin:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodisk betaling"
 
@@ -299,7 +299,7 @@ msgstr "_Avdrag:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Nåtidsverdi"
 
@@ -316,7 +316,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodisk renterate"
 
@@ -484,7 +484,7 @@ msgstr "Bruttofortjeneste"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Sett inn tegnkode"
 
@@ -534,7 +534,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Innstillinger"
 
@@ -595,12 +595,12 @@ msgstr ""
 "skrivebordsmiljøet MATE. Besøk prosjektets hjemmeside hvis du vil vite mer "
 "om MATE og MATE-kalkulatoren."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE-kalkulator"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulator"
 
@@ -960,12 +960,12 @@ msgstr "Venezuelanske bolivar"
 msgid "South African Rand"
 msgstr "Sør-afrikanske rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Feil: antall perioder må være et positivt tall"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -976,7 +976,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -993,7 +993,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1015,7 +1015,7 @@ msgstr ""
 "--g-fatal-warnings Gjør alle advarsler fatale"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1025,13 +1025,13 @@ msgstr ""
 "  -s, --solve <likning>           Løs gitt likning"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argumentet --solve krever en likning å løse"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Ukjent argument «%s»"
@@ -1046,294 +1046,304 @@ msgstr "Pi [Ctrl + P]"
 msgid "Euler’s Number"
 msgstr "Eulers tall"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Imaginær enhet"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Komma"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Senket modus [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Hevet modus [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Vitenskapelig eksponent [Ctrl + E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Legg til [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Trekk fra [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multipliser [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Del [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulus-divisjon"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Flere funksjoner"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Flere konstanter"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Eksponent [^ eller **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kvadrat [Ctrl + 2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Prosentdel [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Fakultet [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absoluttverdi [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Komplekst argument"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Komplekst konjugat"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Rot [Ctrl + R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Kvadratrot [Ctrl + R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritme"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Naturlig logaritme"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolsk sinus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolsk cosinus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolsk tangent"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Invers sinus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Invers kosinus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Invers tangens"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Invers [Ctrl + I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolsk OG"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolsk ELLER"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolsk ekslusiv ELLER"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolsk IKKE"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Heltallskomponent"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Brøkkomponent"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Heltallskomponent"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginær komponent"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Enerkomplement"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Toerkomplement"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Start gruppe [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Avslutt gruppe [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Beregn resultat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktoriser [Ctrl + F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Tøm skjermen [Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Angre [Ctrl + Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Skift til venstre [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Skift til høyre [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Dobbelt degressiv avskrivning"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Finansielt begrep"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Avskriving av summen av årenes sifre"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Lineær avskriving"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binær"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Desimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heksadesimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1342,7 +1352,7 @@ msgstr[1] "_%d plasser"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1350,188 +1360,188 @@ msgstr[0] "%d plass"
 msgstr[1] "%d plasser"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Rund av"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Gulv"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Tak"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Tegn"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Lysets hastighet"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Magnetisk konstant"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1,2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Elektrisk konstant"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8,85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Den Newtonske gravitasjonskonstanten"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6,67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Plancks konstant"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6,62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Elementærladningen"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1,6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Elektronmasse"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9,10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Protonmasse"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1,672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Avogadros konstant"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6,02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " i "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Bytt konverteringsenheter"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Ingen angrehistorikk"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Ingen gjenopprettingshistorikk"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Ingen fornuftige verdier å lagre"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Overflyt. Prøv høyere ordstørrelse"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Ukjent variabel «%s»"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funksjon «%s» er ikke definert"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Ukjent konvertering"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Vanskapt uttrykk ved symbolet '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Feilutformet uttrykk"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Beregner"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Trenger et heltall for å faktorisere"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Ingen verdi å bruke til bitvis skift"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Vist verdi er ikke et heltall"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,Æ,Ø,Å"
 
@@ -1539,63 +1549,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,Æ,Ø,Å"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grader"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianer"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradianer"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatisk"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fast"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Vitenskapelig"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingeniør"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Vis %d desimal_plasser"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Kan ikke åpne hjelpfil"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE-dokumentasjonslaget"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1607,7 +1617,7 @@ msgstr ""
 "av Free Software Foundation; enten versjon 2 av lisensen, eller (hvis du "
 "ønsker det) enhver senere versjon."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1618,7 +1628,7 @@ msgstr ""
 "NOEN GARANTI, ikke engang implisitt garanti om at det er SALGBART eller "
 "PASSER ET BESTEMT FORMÅL. Se GNU General Public License for detaljer."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1628,7 +1638,7 @@ msgstr ""
 "kalkulatoren. Hvis dette ikke er tilfelle, kan du skrive til Free Software "
 "Foundation, Inc. 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA"
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1637,11 +1647,11 @@ msgstr ""
 "Kalkulator med finans- og vitenskapelig modus.\n"
 "Bruker GNU MPFR %s og GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Om MATE-kalkulator"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1649,7 +1659,7 @@ msgstr ""
 "Opphavsrett © 1986–2010 GCalctool-forfatterne\n"
 "Opphavsrett © 2011-2021 MATE-utviklerne"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Send en e-post om du finner feil eller mangler i oversettelsen.\n"
@@ -1664,113 +1674,113 @@ msgstr ""
 "Av totalt 11597 tekststrenger."
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Lommeregner"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modus"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vis"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Hjelp"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Grunnleggende"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avansert"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finansiell"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmering"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Historikk"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Innhold"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopier"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Lim inn"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "A_ngre"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Gjenta"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Tøm historikk"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "Innstillinger"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Avslutt"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "Om"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Bolsk OG er kun definert for positive verdier"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Bolsk ELLER er kun definert for positive verdier"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolsk XELLER er kun definert for positive verdier"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Bolsk IKKE er kun definert for positive verdier"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Skift er kun mulig på heltallsverdier"
 
@@ -1825,7 +1835,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "Riemann zeta-funksjonen er kun definert for relle tall ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1834,761 +1844,761 @@ msgstr ""
 "(90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Invers sinus er udefinert for verdier utenfor [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Invers kosinus er udefinert for verdier utenfor [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "Invers tangens er ikke definert for verdiene i og -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "Invers hyperbolsk kosinus er udefinert for verdier mindre enn en"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "Invers hyperbolsk tangens er ikke definert for verdier utenfor (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s grader"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grad,grader,grad"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianer"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radianer,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gon"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gon,gon,gon"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Lysår"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lysår,lysår,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomisk enhet"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ae"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ae"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Nautiske mil"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Miles"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mil,mil,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometer"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometer,km,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kabellengder"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s kl"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabel,kabler,kl"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Favner"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s fav"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "favn,favner,fav"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Meter"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meter,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yards"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Fot"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "fot,feet,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Tommer"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s tm"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "tomme,tommer,tm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimeter"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimeter,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimeter"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,millimeter,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometer"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometer,mikrometer,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometer"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometer,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektar"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektar,hektar,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acre"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acre"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acre"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Kvadratmeter"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Kvadratcentimeter"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Kvadratmillimeter"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubikkmeter"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallons"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liter"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liter,liter,liter,liter,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Kvarter"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s kv"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kvart,kvarter,kv"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pints"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Milliliter"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "milliliter,milliliter,milliliter,milliliter,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikroliter"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonn"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonn,tonn"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilo"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilogram,kilogram,kilogram,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pund"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pund,pund,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Unser"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "unse,unser,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gram"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,gram,gram,gram,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "År"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s år"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "år,år"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dager"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dager"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dag,dager"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Timer"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s timer"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "time,timer"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutter"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutter"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minutt,minutter"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekunder"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekund,sekunder,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisekunder"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisekund,millisekunder,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekunder"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekund,mikrosekunder,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s °C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,°C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Fahrenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s °F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,°F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s °R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,°R,°Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Vinkel"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Lengde"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Område"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volum"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Vekt"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Varighet"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatur"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/nds.po b/po/nds.po
index 3422ce6..17b335e 100644
--- a/po/nds.po
+++ b/po/nds.po
@@ -4,17 +4,17 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Benedikt Straub <[email protected]>, 2019
 # Stefano Karapetsas <[email protected]>, 2020
+# Benedikt Straub <[email protected]>, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Low German (https://www.transifex.com/mate/teams/13566/nds/)\n"
+"Last-Translator: Benedikt Straub <[email protected]>, 2023\n"
+"Language-Team: Low German (https://app.transifex.com/mate/teams/13566/nds/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -24,35 +24,35 @@ msgstr ""
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
-msgstr ""
+msgstr "Faktoriseren"
 
 #. Label on the solve button (clicking this solves the displayed calculation)
 #: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
 #: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
-msgstr ""
+msgstr "="
 
 #: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
 #: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
-msgstr ""
+msgstr "Lösken"
 
 #. Accessible name for the scientific exponent button
 #: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
-msgstr ""
+msgstr "Wetenschaftelk Exponent"
 
 #. The label on the memory button
 #: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
 #: src/buttons-programming.ui:2314
 msgid "x"
-msgstr ""
+msgstr "x"
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Spieker"
 
@@ -60,44 +60,44 @@ msgstr "Spieker"
 #: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
 #: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
-msgstr ""
+msgstr "Exponent"
 
 #: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
 #: src/buttons-financial.ui:2357
 msgid "Undo"
-msgstr ""
+msgstr "Torüggnehmen"
 
 #: src/buttons-advanced.ui:663
 msgid "asin"
-msgstr ""
+msgstr "arcsin"
 
 #: src/buttons-advanced.ui:677
 msgid "atan"
-msgstr ""
+msgstr "arctan"
 
 #: src/buttons-advanced.ui:705
 msgid "acos"
-msgstr ""
+msgstr "arccos"
 
 #. Accessible name for the store value button
 #: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
-msgstr ""
+msgstr "Marken"
 
 #. Accessible name for the inverse button
 #: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
-msgstr ""
+msgstr "Kehrweert"
 
 #. Accessible name for the factorial button
 #: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
-msgstr ""
+msgstr "Faktoriaal"
 
 #. Accessible name for the absolute value button
 #: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
-msgstr ""
+msgstr "Absoluutweert"
 
 #. Accessible name for the superscript mode button
 #: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
@@ -111,13 +111,13 @@ msgstr "Deper Text"
 
 #: src/buttons-advanced.ui:966
 msgid "const"
-msgstr ""
+msgstr "konstant"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
-msgstr ""
+msgstr "Tosamensett Utdruck"
 
 #: src/buttons-financial.ui:28 src/buttons-financial.ui:211
 #: src/buttons-financial.ui:394 src/buttons-financial.ui:577
@@ -144,7 +144,7 @@ msgstr "_Avbreken"
 #: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
 #: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
-msgstr ""
+msgstr "Be_reknen"
 
 #. Compounding Term Dialog: Description of calculation
 #: src/buttons-financial.ui:122
@@ -211,7 +211,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -239,7 +239,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -281,7 +281,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -460,84 +460,84 @@ msgstr "_Infögen"
 #. Insert ASCII dialog: Label before character entry
 #: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
-msgstr ""
+msgstr "_Bookstaav:"
 
 #. Accessible name for the shift left button
 #: src/buttons-programming.ui:2477
 msgid "Shift Left"
-msgstr ""
+msgstr "Na links verschuven"
 
 #. Accessible name for the shift right button
 #: src/buttons-programming.ui:2526
 msgid "Shift Right"
-msgstr ""
+msgstr "Na rechts verschuven"
 
 #. Accessible name for the insert character button
 #: src/buttons-programming.ui:2756
 msgid "Insert Character"
-msgstr ""
+msgstr "Bookstaav infögen"
 
 #. Word size combo: 8 bits
 #: src/preferences.ui:40
 msgid "8-bit"
-msgstr ""
+msgstr "8 Bits"
 
 #. Word size combo: 16 bits
 #: src/preferences.ui:44
 msgid "16-bit"
-msgstr ""
+msgstr "16 Bits"
 
 #. Word size combo: 32 bits
 #: src/preferences.ui:48
 msgid "32-bit"
-msgstr ""
+msgstr "32 Bits"
 
 #. Word size combo: 64 bits
 #: src/preferences.ui:52
 msgid "64-bit"
-msgstr ""
+msgstr "64 Bits"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Instellens"
 
 #: src/preferences.ui:80
 msgid "_Close"
-msgstr "_Sluten"
+msgstr "Di_chtmaken"
 
 #. Preferences dialog: Label for angle unit combo box
 #: src/preferences.ui:112
 msgid "_Angle units:"
-msgstr ""
+msgstr "_Winkel-Eenheid:"
 
 #. Preferences dialog: Label for display format combo box
 #: src/preferences.ui:126
 msgid "Number _Format:"
-msgstr ""
+msgstr "Tahlen_formaat:"
 
 #. Preferences dialog: label for word size combo box
 #: src/preferences.ui:176
 msgid "Word _size:"
-msgstr ""
+msgstr "Woort_grött:"
 
 #. Preferences dialog: label for show trailing zeroes check button
 #: src/preferences.ui:199
 msgid "Show trailing _zeroes"
-msgstr ""
+msgstr "_Nullen na de Enn wiesen"
 
 #. Preferences dialog: label for show thousands separator check button
 #: src/preferences.ui:215
 msgid "Show _thousands separators"
-msgstr ""
+msgstr "_Tuusenders-Delers wiesen"
 
 #: data/mate-calc.appdata.xml.in:7
 msgid "MATE Calc"
-msgstr ""
+msgstr "MATE-Reekner"
 
 #: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
-msgstr ""
+msgstr "MATE-Taskenreekner"
 
 #: data/mate-calc.appdata.xml.in:10
 msgid ""
@@ -545,6 +545,9 @@ msgid ""
 "scientific modes. It uses a multiple precision package to do its arithmetic "
 "to give a high degree of accuracy."
 msgstr ""
+"MATE-Reekner is een machtig graphisk Taskenreekner mit Geld-, logisk un "
+"wetenschaftelk Aarden. ’t bruukt een mennig-Präzisioons-Pakeet, um siene "
+"Mathematik mit hoger Genauigheid uttoföhren."
 
 #: data/mate-calc.appdata.xml.in:15
 msgid ""
@@ -553,18 +556,18 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
-msgstr ""
+msgstr "MATE-Taskenreekner"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
-msgstr ""
+msgstr "Taskenreekner"
 
 #: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
-msgstr ""
+msgstr "Mathematisk, wetenschaftelk of Geld-Berechnens dörföhren"
 
 #. Translators: Search terms to find this application. Do NOT translate or
 #. localize the semicolons! The list MUST also end with a semicolon!
@@ -574,45 +577,45 @@ msgstr ""
 
 #: data/org.mate.calc.gschema.xml:25
 msgid "Accuracy value"
-msgstr ""
+msgstr "Genauigheid-Weert"
 
 #: data/org.mate.calc.gschema.xml:26
 msgid "The number of digits displayed after the numeric point"
-msgstr ""
+msgstr "Wo völe Tahlen na de Komma wiest worden"
 
 #: data/org.mate.calc.gschema.xml:31
 msgid "Word size"
-msgstr ""
+msgstr "Woortgrött"
 
 #: data/org.mate.calc.gschema.xml:32
 msgid "The size of the words used in bitwise operations"
-msgstr ""
+msgstr "De Grött vun de Woorden in bitwiesen Operationen"
 
 #: data/org.mate.calc.gschema.xml:37
 msgid "Numeric Base"
-msgstr ""
+msgstr "Basis-Tahl"
 
 #: data/org.mate.calc.gschema.xml:38
 msgid "The numeric base"
-msgstr ""
+msgstr "De Tahl as Basis"
 
 #: data/org.mate.calc.gschema.xml:42
 msgid "Show Thousands Separators"
-msgstr ""
+msgstr "Tuusenders-Delers wiesen"
 
 #: data/org.mate.calc.gschema.xml:43
 msgid "Indicates whether thousands separators are shown in large numbers."
-msgstr ""
+msgstr "Of Tuusenders-Delers in groten Tahlen wiest worden."
 
 #: data/org.mate.calc.gschema.xml:47
 msgid "Show Trailing Zeroes"
-msgstr ""
+msgstr "Nullen na de Enn wiesen"
 
 #: data/org.mate.calc.gschema.xml:48
 msgid ""
 "Indicates whether any trailing zeroes after the numeric point should be "
 "shown in the display value."
-msgstr ""
+msgstr "Of de Anzeig eets Nullen na de Komma wiesen sall."
 
 #: data/org.mate.calc.gschema.xml:52
 msgid "Show History"
@@ -620,31 +623,31 @@ msgstr "Historie opwiesen"
 
 #: data/org.mate.calc.gschema.xml:53
 msgid "Shows all recent calculations"
-msgstr ""
+msgstr "All lesten Bereeknens wiesen"
 
 #: data/org.mate.calc.gschema.xml:57
 msgid "Number format"
-msgstr ""
+msgstr "Tahlenformaat"
 
 #: data/org.mate.calc.gschema.xml:58
 msgid "The format to display numbers in"
-msgstr ""
+msgstr "De Formaat, um Tahlen to wiesen"
 
 #: data/org.mate.calc.gschema.xml:62
 msgid "Angle units"
-msgstr ""
+msgstr "Winkel-Eenheid"
 
 #: data/org.mate.calc.gschema.xml:63
 msgid "The angle units to use"
-msgstr ""
+msgstr "De Eenheid för Winkels"
 
 #: data/org.mate.calc.gschema.xml:67
 msgid "Button mode"
-msgstr ""
+msgstr "Knoop-Aard"
 
 #: data/org.mate.calc.gschema.xml:68
 msgid "The button mode"
-msgstr ""
+msgstr "De Aard vun de Knoop"
 
 #: data/org.mate.calc.gschema.xml:72
 msgid "Source currency"
@@ -918,12 +921,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -932,7 +935,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -944,7 +947,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -957,7 +960,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -965,13 +968,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -986,294 +989,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1282,7 +1295,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1290,188 +1303,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1479,63 +1492,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Vun alleen"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1543,7 +1556,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1551,31 +1564,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Launchpad Contributions:\n"
@@ -1583,113 +1596,113 @@ msgstr ""
 "  Valmantas Palikša https://launchpad.net/~walmis"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Ansicht"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Hölp"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Inholls"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Koperen"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Infögen"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Torüggnehmen"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Wedderholen"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Eegenschapten"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
-msgstr "_Sluten"
+msgstr "_Beennen"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Över"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1744,767 +1757,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inche"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimeters"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/ne.po b/po/ne.po
index b9f3ad5..61cbc68 100644
--- a/po/ne.po
+++ b/po/ne.po
@@ -10,12 +10,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: chautari <[email protected]>, 2020\n"
-"Language-Team: Nepali (https://www.transifex.com/mate/teams/13566/ne/)\n"
+"Language-Team: Nepali (https://app.transifex.com/mate/teams/13566/ne/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -53,7 +53,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "स्मृति"
 
@@ -116,7 +116,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -212,7 +212,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -240,7 +240,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -258,7 +258,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -282,7 +282,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -296,7 +296,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -449,7 +449,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -499,7 +499,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "प्राथमिकताहरू"
 
@@ -554,12 +554,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "गणकयन्त्र"
 
@@ -919,12 +919,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -933,7 +933,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -945,7 +945,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -958,7 +958,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -966,13 +966,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -987,294 +987,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1283,7 +1293,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1291,188 +1301,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "भण्डारण गर्न सन्तुलित मान छैन"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "विकृत अभिव्यक्ति"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1480,63 +1490,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "वैज्ञानिक"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1544,7 +1554,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1552,144 +1562,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "pawan chitrakar <[email protected]>,Narayan Kumar Magar "
 "<[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "गणकयन्त्र"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "दृष्य"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "मद्दत"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "आधारभूत"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "उन्नत"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "आर्थिक"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "सामग्री"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "प्रतिलिपि गर्नुहोस्"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "टाँस्नुहोस्"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "पूर्वस्थितिमा फर्काउनुहोस्"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "रिडू गर्नुहोस्"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "प्राथमिकता"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "अन्त्य गर्नुहोस्"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "बारेमा"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1744,767 +1754,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "इन्च"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "मिलिमिटर"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "सेल्सियस"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "केल्भिन"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "भोल्युम"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/nl.po b/po/nl.po
index f6fa33e..4c76ea6 100644
--- a/po/nl.po
+++ b/po/nl.po
@@ -4,7 +4,6 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Erik Bent <[email protected]>, 2018
 # dragnadh, 2018
 # Nathan Follens, 2018
 # b9b0d258fa591da5350b6e67cf68cd68_9fecbb4 <28506b9ff23f99a34b566250ce31bbad_250479>, 2018
@@ -12,16 +11,17 @@
 # 8c3c560621f92e66455793da7b85eff0_8989672 <0e181aafae430e5c919398b6a7bba462_109266>, 2018
 # Michael Steenbeek <[email protected]>, 2019
 # Stefano Karapetsas <[email protected]>, 2020
-# Pjotr <[email protected]>, 2021
+# Erik Bent <[email protected]>, 2022
+# Pjotr <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Pjotr <[email protected]>, 2021\n"
-"Language-Team: Dutch (https://www.transifex.com/mate/teams/13566/nl/)\n"
+"Last-Translator: Pjotr <[email protected]>, 2022\n"
+"Language-Team: Dutch (https://app.transifex.com/mate/teams/13566/nl/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -59,7 +59,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Geheugen"
 
@@ -122,7 +122,7 @@ msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Afkooptermijn"
 
@@ -223,7 +223,7 @@ msgstr "K_osten:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Toekomstige waarde"
 
@@ -254,7 +254,7 @@ msgstr "_Periodieke betaling:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Bruto-winstmarge"
 
@@ -274,7 +274,7 @@ msgstr "_Marge:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodieke betaling"
 
@@ -300,7 +300,7 @@ msgstr "_Kapitaal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Huidige waarde"
 
@@ -317,7 +317,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodieke rente-ratio"
 
@@ -485,7 +485,7 @@ msgstr "Bwm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Tekencode invoeren"
 
@@ -535,7 +535,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Voorkeuren"
 
@@ -596,12 +596,12 @@ msgstr ""
 "werkomgeving. Als u meer wilt weten over MATE en MATE Calc, bezoek dan de "
 "webpagina van het project."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Rekenmachine"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Rekenmachine"
 
@@ -965,12 +965,12 @@ msgstr "Venezolaanse Bolívar Fuerte"
 msgid "South African Rand"
 msgstr "Zuid-Afrikaanse rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Fout: het aantal periodes moet positief zijn"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -981,7 +981,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -998,7 +998,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1018,7 +1018,7 @@ msgstr ""
 "  --g-fatal-warnings              Alle waarschuwingen fataal maken"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1028,13 +1028,13 @@ msgstr ""
 "  -s, --solve <vergelijking>          Los de opgegeven vergelijking op"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument --solve vereist een vergelijking om op te lossen"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Onbekend argument ‘%s’"
@@ -1049,294 +1049,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Het getal van Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Denkbeeldige eenheid"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Decimale punt"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Onderschriftmodus [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Superschrift modus [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Wetenschappelijke notatie [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Optellen [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Aftrekken [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Vermenigvuldigen [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Delen [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulusdeling"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Aanvullende functies"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Extra constanten"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponent [^ of **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kwadrateren [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentage [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faculteit [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolute waarde [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Complex argument"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Complex toegevoegd"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Wortel [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Vierkantswortel [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritme"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Natuurlijke logaritme"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangens"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolische sinus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolische cosinus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolische tangens"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inverse sinus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inverse cosinus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inverse tangens"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverse [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Booleaans AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Booleaans OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Booleaans XOR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Booleaans NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Gehele deel"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Fractie"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Reële deel"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginaire deel"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Ones' Complement"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Two's Complement"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Begin groep [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Einde groep [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Bereken resultaat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Ontbinden [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Scherm leegmaken [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Ongedaan maken [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Shift links [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Shift rechts [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Dubbele degressieve afschrijving"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Financiële termijn"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Som van de jaarcijfers afschrijvingen"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Lineaire afschrijving"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binair"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octaal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimaal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimaal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1345,7 +1355,7 @@ msgstr[1] "_%d locaties"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1353,188 +1363,188 @@ msgstr[0] "%d locatie"
 msgstr[1] "%d locaties"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Afronden"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Bodem"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Plafond"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Teken"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Lichtsnelheid"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Magnetische constante"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Electrische constante"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Newtoniaanse zwaartekrachtconstante"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Planck-constante"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Elementaire lading"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Electronmassa"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Protonmassa"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Avogadro constant"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Conversie-eenheid wisselen"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Herstelgeschiedenis leeg"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Geen geschiedenis om te herhalen"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Geen geldige waarde om op te slaan"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Overloop. Probeer een grotere woordlengte."
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Onbekende variabele ‘%s’"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Functie ‘%s’ is niet gedefinieerd"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Onbekende conversie"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Onjuiste uitdrukking bij teken '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Ongeldige uitdrukking"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Berekenen…"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Geheel getal nodig om te kunnen ontbinden"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Waarde kan niet bitsgewijs worden verschoven"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Weergegeven waarde is niet een geheel getal"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1542,63 +1552,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Graden"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radialen"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gon"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatisch"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Vast"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Wetenschappelijk"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Technisch"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Toon %d decimale _posities"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Kan hulpbestand niet openen"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Documentatieploeg van MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1610,7 +1620,7 @@ msgstr ""
 "gepubliceerd door de Free Software Foundation; hetzij versie 2 van die "
 "licentie, of (naar uw eigen keuze) enige nieuwere versie."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1622,7 +1632,7 @@ msgstr ""
 "verkoopbaarheid of geschiktheid voor een bepaald doel. Zie de GNU General "
 "Public License voor meer bijzonderheden."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1633,7 +1643,7 @@ msgstr ""
 "Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA "
 "02110-1301 Verenigde Staten van Amerika."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1642,11 +1652,11 @@ msgstr ""
 "Rekenmachine met financiële en wetenschappelijke modi.\n"
 "Gebruikt GNU MPFR %s en GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Over MATE Rekenmachine"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1654,7 +1664,7 @@ msgstr ""
 "Auteursrecht © 1986–2010 De makers van GCalctool\n"
 "Auteursrecht © 2011-2021 MATE-ontwikkelaars"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Launchpad-bijdragers:\n"
@@ -1670,113 +1680,113 @@ msgstr ""
 "Pjotr"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Rekenmachine "
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modus"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Tonen"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Hulp"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Eenvoudig"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "Ge_avanceerd"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financieel"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmeren"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Geschiedenis"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "In_houd"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopiëren"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Plakken"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Ongedaan maken"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Opnieuw uitvoeren"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "Geschiedenis _wissen"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "Voorkeuren"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "A_fsluiten"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Info"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Booleaans AND is alleen gedefinieerd voor positieve gehele getallen"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Booleaans OR is alleen gedefinieerd voor positieve gehele getallen"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Booleaans XOR is alleen gedefinieerd voor positieve gehele getallen"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Booleaans NOT is alleen gedefinieerd voor positieve gehele getallen"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Shift is alleen mogelijk op gehele getallen"
 
@@ -1831,7 +1841,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "De Riemann-zeta-functie is alleen bepaald voor echte getallen ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1840,23 +1850,23 @@ msgstr ""
 "verschillen met π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Arcsinus is niet gedefinieerd voor waarden buiten [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Arccosinus is niet gedefinieerd voor waarden buiten [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "Boogtangens-functie is onbepaald voor waarden i en -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Omgekeerde hyperbolische cosinus is niet gedefinieerd voor waarden onder de "
@@ -1864,739 +1874,739 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "Omgekeerde hyperbolische tangens is onbepaald voor waarden buiten (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s graden"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "graad,graden,°"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radialen"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radiaal,radialen,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gon"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gon,gon,gon"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Lichtjaren"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lichtjaar,lichtjaren,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomische Eenheden"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Nautische mijlen"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Mijlen"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mijl, mijlen,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometer"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometers,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kabellengte"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabellengte,kabellengtes,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Vadem"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "vadem,vadems,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Meter"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meters,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yard"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Voet"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "voet,voet,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Duimen (inches)"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimeter"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimeters,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimeters"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,millimeters,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrometer"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometer,micrometers,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometer"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometers,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectare"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Are"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s are"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "are"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Vierkante meter"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Vierkante centimeter"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Vierkante millimeter"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubieke meter"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallon"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liter"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liter,liters,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quart"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pint"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Milliliter"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "milliliter,milliliters,mL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microliter"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Ton"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ton, tonnen"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogram"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s Kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilogrammen,kg,kilo"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pond"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "ponden,pond"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ounce"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gram"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grammen,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Jaren"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s jaar"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "jaar,jaren"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dagen"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dagen"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dag,dagen"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Uren"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s uur"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "uur"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minuten"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minuten"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuut,minuten,min"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Seconden"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "seconde,seconden,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milliseconden"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milliseconde,milliseconden,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microseconden"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microseconde,microseconden,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "graden,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "graden F,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "graden R, ˚R, ˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Hoek"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Lengte"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Oppervlakte"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Gewicht"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Tijd"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatuur"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/nn.po b/po/nn.po
index 0a4a2b4..8f241e1 100644
--- a/po/nn.po
+++ b/po/nn.po
@@ -10,12 +10,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Andrew Rabbitt <[email protected]>, 2020\n"
-"Language-Team: Norwegian Nynorsk (https://www.transifex.com/mate/teams/13566/nn/)\n"
+"Language-Team: Norwegian Nynorsk (https://app.transifex.com/mate/teams/13566/nn/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -53,7 +53,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Minne"
 
@@ -116,7 +116,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -212,7 +212,7 @@ msgstr "K_ostnad:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Framtidig verdi"
 
@@ -240,7 +240,7 @@ msgstr "_Periodisk betaling:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -258,7 +258,7 @@ msgstr "_Margin:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodisk betaling"
 
@@ -282,7 +282,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Notidsverdi"
 
@@ -296,7 +296,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -449,7 +449,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -499,7 +499,7 @@ msgid "64-bit"
 msgstr "64-bits"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Innstillingar"
 
@@ -554,12 +554,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulator"
 
@@ -919,12 +919,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -933,7 +933,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -950,7 +950,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -963,7 +963,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -971,13 +971,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Ukjent argument «%s»"
@@ -992,294 +992,304 @@ msgstr "Pi [Ctrl + P]"
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Vitskapeleg eksponent [Ctrl + E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Legg til [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Trekk frå  [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multipliser [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Del [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulo"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Eksponent [^eller **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Prosentdel [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Fakultet [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absoluttverdi [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Invers [Ctrl + I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolsk OG"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolsk ELLER"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolsk IKKJE"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binær"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Desimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heksadesimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1288,7 +1298,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1296,190 +1306,190 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Inga angrehistorikk"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Inga fornuftige verdiar å lagra"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 "Kan ikkje utføra bitvisoperasjonar på tal større enn det gjeldande ordet. "
 "Prøv med ein større ordstorleik."
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Ukjend variabel «%s»"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funksjonen «%s» er ikkje definert"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Ukjend omrekning"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Feilutformet uttrykk"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Kan berre faktorisera heiltal"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1487,63 +1497,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grader"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianar"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradianar"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatisk"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Vitskapeleg"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingeniørfag"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Klarte ikkje å opna hjelpefila"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE Dokumentasjonslag"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1551,7 +1561,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1559,144 +1569,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Åsmund Skjæveland <[email protected]>\n"
 "Eskild Hustvedt <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vis"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Hjelp"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Grunnleggjande"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avansert"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finansiell"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmering"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Innhald"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopier"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Lim inn"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Angre"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Gje_r om"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Innstillingar"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Avslutt"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Om"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1751,767 +1761,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Tommar"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimeter"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volum"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/nso.po b/po/nso.po
index 5a68961..f3c9be8 100644
--- a/po/nso.po
+++ b/po/nso.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Northern Sotho (https://www.transifex.com/mate/teams/13566/nso/)\n"
+"Language-Team: Northern Sotho (https://app.transifex.com/mate/teams/13566/nso/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,144 +1560,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Translate.org.za <[email protected]>\n"
 "Pheledi Mathibela <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Lebelela"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Thušo"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Dikagare"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopiša"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Kgomaretša"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Dirolla"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Dira gape"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Tše ratwago"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Tlogela"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Ka ga"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1742,767 +1752,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/oc.po b/po/oc.po
index 7f01f5d..ab4702b 100644
--- a/po/oc.po
+++ b/po/oc.po
@@ -9,16 +9,16 @@
 # Wolfgang Ulbrich <[email protected]>, 2019
 # Stefano Karapetsas <[email protected]>, 2020
 # Cédric Valmary <[email protected]>, 2020
-# Quentin PAGÈS, 2021
+# Quentin PAGÈS, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Quentin PAGÈS, 2021\n"
-"Language-Team: Occitan (post 1500) (https://www.transifex.com/mate/teams/13566/oc/)\n"
+"Last-Translator: Quentin PAGÈS, 2023\n"
+"Language-Team: Occitan (post 1500) (https://app.transifex.com/mate/teams/13566/oc/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -56,7 +56,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memòria"
 
@@ -119,7 +119,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Durada de capitalizacion"
 
@@ -220,7 +220,7 @@ msgstr "Cò_st :"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valor futura"
 
@@ -251,7 +251,7 @@ msgstr "_Pagament periodic :"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Marge brut"
 
@@ -271,7 +271,7 @@ msgstr "_Marge :"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pagament periodic"
 
@@ -281,8 +281,8 @@ msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
-"Calcula lo montant del versement périodique per lo remborsament d'un emprunt"
-" dins lo qual los pagaments son efectuats a tèrme échu. "
+"Calcula lo montant del versament periodic per lo remborsament d'un emprunt "
+"dins lo qual los pagaments son efectuats a tèrme acabat. "
 
 #. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
@@ -297,7 +297,7 @@ msgstr "_Principal :"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valor actuala"
 
@@ -314,7 +314,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Taus d'interès periodic"
 
@@ -482,7 +482,7 @@ msgstr "Marge"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Insercion d'un còde de caractèr"
 
@@ -532,7 +532,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferéncias"
 
@@ -593,12 +593,12 @@ msgstr ""
 "burèu MATE. Se volètz ne saber mai tocant MATE e MATE Calc, consultatz lo "
 "site del projècte."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculadoira MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculadoira"
 
@@ -963,12 +963,12 @@ msgstr "Bolívar veneçuelian"
 msgid "South African Rand"
 msgstr "Rand sudafrican"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Error : lo nombre d'escasenças deu èsser positiu"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -977,7 +977,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -989,7 +989,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1002,7 +1002,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1010,13 +1010,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Argument desconegut « %s »"
@@ -1031,294 +1031,304 @@ msgstr "Nombre pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Nombre d'Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Unitat imaginària"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Punt decimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Mòde indici [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Mòde exponent [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Exponent scientific [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Addicion [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Sostraccion [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplicacion [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Division [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulo de division"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Foncions suplementàrias"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponent [^ o **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Carrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentatge [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factoriala [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valor absoluda [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argument complèxe"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Complèxe conjugat"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Raiç [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Raiç carrada [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritme decimal"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritme neperian (basa e)"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangenta"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sinus iperbolic"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosinus iperbolic"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangenta iperbolica"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Invèrse [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "AND (E) boolean"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "OR (O) boolean"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "OR (O) exclusiu boolean"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NOT (NON) boolean"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Partida entièra"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Partida fraccionària"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Partida reala"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Partida imaginària"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Complement a un"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Complement a dos"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Començament de gropament [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Fin de gropament [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcula lo resultat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorizar[Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Escafa l'afichatge [Escap]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Anulla [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Amortiment degressiu de taus doble"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Valor a tèrme"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Amortiment softy"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Amortiment linear"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binari"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Exadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1327,7 +1337,7 @@ msgstr[1] "_%d lòcs"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1335,188 +1345,188 @@ msgstr[0] "%d lòc"
 msgstr[1] "%d lòcs"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " en "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Invèrsa las unitats de conversion"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Pas cap d'istoric d'anullacion"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Pas cap d'istoric de restablir"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Pas cap de valor corrècta de memorizar"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Despassament de capacitat. Ensajatz amb una talha de mot mai granda"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variabla « %s » desconeguda"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "La foncion « %s » es pas definida"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversion desconeguda"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Expression incorrècta"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Calcul en cors"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Sols los nombres entièrs son factorizables"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Pas cap de valor corrècta per un decalatge bit a bit"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "La valor afichada es pas un entièr"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1524,63 +1534,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grases"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radians"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Grads"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatic"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixe"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Scientific"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingenhariá"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Afichar %d de_cimalas"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Impossible de dobrir lo fichièr d'ajuda"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE Documentation Team"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1592,7 +1602,7 @@ msgstr ""
 "es publicada per la Free Software Foundation ; version 2 de la licéncia, o "
 "(se volètz) tota version seguenta."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1604,7 +1614,7 @@ msgstr ""
 "MERCANDA o D'ADEQÜACION A UN BESONH PARTICULAR. Consultatz la licéncia "
 "publica generala GNU per mai d'entresenhas."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1614,18 +1624,18 @@ msgstr ""
 "Calculadoira de MATE ; s'es pas lo cas, escrivètz a la Free Software "
 "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA"
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "A prepaus de la Calculadoira MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1633,120 +1643,120 @@ msgstr ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 Los desvolopaires de MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Yannig Marchegay (Kokoyaya) <[email protected]> & Cédric Valmary "
-"(totenoc.eu) <[email protected]>"
+"(totenoc.eu) <[email protected]>, Quentin PAGÈS"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "Calc_uladoira"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mòde"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Afichatge"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Aju_da"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Basic"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avançat"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financièr"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programacion"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Istoric"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Ensenhador"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copiar"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Pegar"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Anullar"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Tornar far"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Escafar istoric"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferéncias"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Quitar"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "A _prepaus"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Lo AND (E) boolean es pas definit que per d'entièrs positius"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Lo OR (O) boolean es pas definit que per d'entièrs positius"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Lo XOR (O exclusiu) boolean es pas definit que per d'entièrs positius"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Lo NOT (NON) boolean es pas definit que per d'entièrs positius"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Lo decalatge es pas possible que sus de valors entièras"
 
@@ -1801,7 +1811,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1810,761 +1820,761 @@ msgstr ""
 " entièr de còps π (180°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "L'arc sinus es pas definit per las valors fòra del segment [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "L'arc cosinus es pas definit per las valors fòra del segment [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "L'argument cosinus iperbolic es pas definit per las valors inferioras a un"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s grases"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "gras,grases,gra"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radians"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s grads"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "grad,grads"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Annadas-lutz"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "annada-lutz,annadas-lutz,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unitats astronomicas"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Milas marinas"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "M,NM,nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milas"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mila,milas,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Quilomètres"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "quilomètre,quilomètres,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Encabladuras"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s encabladura"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "encabladura,encabladuras"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Braças"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s braça"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "braça,braças"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Mètres"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "mètre,mètres,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yards"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Pès"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s pè"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "pè,pès"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Poces"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "poce,poces,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimètres"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimètre,centimètres,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimètres"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimètre,millimètres,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micromètres"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micromètre,micromètres,μm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanomètres"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanomètre,nanomètres,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Ectaras"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "ectara,ectaras,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Mètres carrats"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centimètres carrats"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Millimètres carrats"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Mètre cubic"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallons"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litres,litre,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quarts"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintas"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pintas,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonas"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tona,tonas"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Quilogramas"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "quilograma,quilogramas,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Liuras"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s liura"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "liura,liuras"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Onças"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s onça"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "onça,onças,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramas"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "grama,gramas,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Annadas"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s ans"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "an,ans,annada,annadas"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Jorns"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s jorns"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "jorn,jorns"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Oras"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s oras"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ora,oras"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutas"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutas"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuta,minutas"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Segondas"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "segonda,segondas,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisegondas"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisegonda,millisegondas,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsegondas"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsegonda,microsegondas,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
-msgstr "Degré Celsius"
+msgstr "Gra Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚Ra"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Angle"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Longor"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Susfàcia"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volum"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Massa"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Durada"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Devisa"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/or.po b/po/or.po
index 93ae288..0123399 100644
--- a/po/or.po
+++ b/po/or.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Oriya (https://www.transifex.com/mate/teams/13566/or/)\n"
+"Language-Team: Odia (https://app.transifex.com/mate/teams/13566/or/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "ସ୍ମୃତିସ୍ଥାନ"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "ଚକ୍ରବୃଦ୍ଧି ଅବଧି"
 
@@ -214,7 +214,7 @@ msgstr "ମୂଲ୍ୟ (_o):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "ଭବିଷ୍ଯତ ମୂଲ୍ଯ"
 
@@ -244,7 +244,7 @@ msgstr "ସାମୟିକ ପରିଶୋଧ (_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "ସମୁଦାୟ ଲାଭ ସୀମା"
 
@@ -264,7 +264,7 @@ msgstr "ସୀମା (_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "ସାମୟିକ ପରିଶୋଧ"
 
@@ -290,7 +290,7 @@ msgstr "ମୂଳ ଧନ (_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "ବର୍ତ୍ତମାନର ମୂଲ୍ଯ"
 
@@ -306,7 +306,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "ସାମୟିକ ସୁଧ ଅନୁପାତ"
 
@@ -471,7 +471,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "ଅକ୍ଷର ସଙ୍କେତ ଭର୍ତ୍ତିକରନ୍ତୁ"
 
@@ -521,7 +521,7 @@ msgid "64-bit"
 msgstr "64-ବିଟ"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "ପସନ୍ଦ"
 
@@ -576,12 +576,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "କାଲକୁଲେଟର"
 
@@ -944,12 +944,12 @@ msgstr "ଭେନେଜୁଏଲାନ ବୋଲିଭାର"
 msgid "South African Rand"
 msgstr "ଦକ୍ଷିଣ ଆଫ୍ରିକିୟ ରାଣ୍ଡ"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -960,7 +960,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -977,7 +977,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -997,7 +997,7 @@ msgstr ""
 "  --g-fatal-warnings              ସମସ୍ତ ଚେତାବନୀଗୁଡ଼ିକୁ ମାରାତ୍ମକ କରନ୍ତୁ"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1005,13 +1005,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "ସ୍ୱତନ୍ତ୍ରଚର --solve କୁ ସମାଧାନ କରିବା ପାଇଁ ଗୋଟିଏ ସମୀକରଣ ଆବଶ୍ୟକ କରିଥାଏ"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "ଅଜଣା ସ୍ୱତନ୍ତ୍ରଚର '%s'"
@@ -1026,294 +1026,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "ଇଉଲର ନମ୍ବର"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "ପାଦାଙ୍କ ଧାରା [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "ଉର୍ଦ୍ଧଲିପି ଧାରା [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "ବୈଜ୍ଞାନିକ ଘାତ [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "ଯୋଗ କରନ୍ତୁ [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "ଫେଡ଼ନ୍ତୁ [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "ଗୁଣନ କରନ୍ତୁ [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "ବିଭକ୍ତ କରନ୍ତୁ [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "ସମ୍ପୂର୍ଣ୍ଣ ବିଭକ୍ତ"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "ଅତିରିକ୍ତ ଫଳନଗୁଡ଼ିକ"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "ଘାତ [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "ବର୍ଗାକାର [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "ପ୍ରତିଶତ [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "ଗୁଣନାଙ୍କ [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "ପରମ ମୂଲ୍ଯ [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "ଜଟିଳ ସ୍ୱତନ୍ତ୍ରଚର"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "ଜଟିଳ ଯୁଗ୍ମ ସଂଖ୍ଯା"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "ମୂଳ [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "ବର୍ଗ ମୂଳ [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "ଲଗାରିଦମ୍"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "ପ୍ରାକୃତିକ ଲଗାରିଦମ୍"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "ସାଇନ"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "କୋସାଇନ"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "ଟାନଜେଣ୍ଟ"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "ହାଇପରବଲିକ ସାଇନ"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "ହାଇପରବୋଲିକ କୋସାଇନ"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "ହାଇପରବୋଲିକ  ଟାନଜେଣ୍ଟ"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "ପ୍ରତିକୂଳ [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "ବୁଲିଆନ AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "ବୁଲିଆନ OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "ବୁଲିଆନ ବିଶିଷ୍ଟ OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "ବୁଲିଆନ NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "ଗଣନ ସଂଖ୍ୟା ଉପାଦାନ"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "କାର୍ଯ୍ୟରତ ଉପାଦାନ"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "ପ୍ରକୃତ ଉପାଦାନ"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "କାଳ୍ପନିକ ଉପାଦାନ"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "ଏକର ଅନୁପୂରକ"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "ଦୁଇର ଅନୁପୂରକ"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "ଶ୍ରେଣୀ ଆରମ୍ଭ କରନ୍ତୁ [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "ଶ୍ରେଣୀ ସମାପ୍ତ କରନ୍ତୁ [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "ପରିଣାମ ଗଣନା କରନ୍ତୁ"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "ବିଭକ୍ତ କରନ୍ତୁ [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "ପ୍ରଦର୍ଶିତ ମୂଲ୍ଯକୁ ସଫା କରନ୍ତୁ [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "ପଦକ୍ଷେପ ବାତିଲ କରନ୍ତୁ [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "ଦ୍ବିଗୁଣ ହ୍ରାସ ହେଉଥିବା ବିକଳନ"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "ଆର୍ଥିକ ଶବ୍ଦ"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "ବର୍ଷଗୁଡ଼ିକର ଅଙ୍କର ସମଷ୍ଟିର ବିକଳନ"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "ସରଳ-ରେଖା ବିକଳନ"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "ଦ୍ବିମିକ"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "ଅଷ୍ଟକ"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "ଦଶମିକ"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "ଷୋହଳମିକ ଅଙ୍କ"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1322,7 +1332,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1330,188 +1340,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "ଗୋଲ"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "ମେଜିଆ"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "ଛାତ"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "ହସ୍ତାକ୍ଷର କରନ୍ତୁ"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " ଭିତରେ "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "କୌଣସି ପଦକ୍ଷେପ ବାତିଲ ଇତିହାସ ନାହିଁ"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "କୌଣସି ପଦକ୍ଷେପ ବାତିଲ ଇତିହାସ ନାହିଁ"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "ସଞ୍ଚୟ ପାଇଁ କୌଣସି ଯୁକ୍ତିଯୁକ୍ତ ମୂଲ୍ଯ ନାହିଁ"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "ଅତିପ୍ରବାହ। ଗୋଟିଏ ବୃହତର ଶବ୍ଦ ଆକାର ଚେଷ୍ଟାକରନ୍ତୁ"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "ଅଜଣା ପ୍ରାଚଳ '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "ଫଳନ '%s' କୁ ବ୍ୟାଖ୍ୟା କରାଯାଇନାହିଁ"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "ଅଜଣା ରୂପାନ୍ତରଣ"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "ବିକୃତ ଅଭିବ୍ଯକ୍ତି"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "ବିଭକ୍ତ କରିବା ପାଇଁ ଗୋଟିଏ ଗଣନ ସଂଖ୍ୟା ଆବଶ୍ୟକ"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "bitwise shift କରିବା ପାଇଁ କୌଣସି ଯୁକ୍ତିଯୁକ୍ତ ମୂଲ୍ଯ ନାହିଁ"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "ପ୍ରଦର୍ଶିତ ମୂଲ୍ଯଟି ଗୋଟିଏ ଗଣନ ସଂଖ୍ୟା ନୁହଁ"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1519,63 +1529,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "ଡିଗ୍ରି"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "ରାଡିଆନ"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "ଗ୍ରାଡିଆନ"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "ସ୍ବୟଂଚାଳିତ"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "ସ୍ଥିର "
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "ବୈଜ୍ଞାନିକ"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "ଯାନ୍ତ୍ରିକ ବିଦ୍ୟା"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d ଦଶମିକ ସ୍ଥାନଗୁଡିକୁ ଦର୍ଶାନ୍ତୁ (_p)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "ସହାୟତା ଫାଇଲ ଖୋଲିବାରେ ଅସମର୍ଥ"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1583,7 +1593,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1591,142 +1601,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "ଶୁଭ୍ରାଂଶୁ ବେହେରା <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "କାଲ୍କୁଲେଟର (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "ଧାରା (_M)"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "ଦ୍ରୁଶ୍ଯ (_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "ସହାୟତା (_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "ମୌଳିକ (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "ଉନ୍ନତ (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "ଆର୍ଥିକ (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "କାର୍ଯ୍ୟକ୍ରମ (_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "ସୂଚୀପତ୍ର (_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "ନକଲ କରନ୍ତୁ (_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "ଲଗାନ୍ତୁ (_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "ପ୍ରତିକାର କରନ୍ତୁ (_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "ପୁନର୍ବାର କରନ୍ତୁ (_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "ପସନ୍ଦ (_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "ବିଦାୟ ନିଅନ୍ତୁ (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "ବିବରଣୀ (_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "ବୁଲିଆନ AND କୁ କେବଳ ଯୁକ୍ତାତ୍ମକ ଗଣନ ସଂଖ୍ୟାଗୁଡ଼ିକ ପାଇଁ ବ୍ୟାଖ୍ୟା କରାଯାଇଛି"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "ବୁଲିଆନ OR କୁ କେବଳ ଯୁକ୍ତାତ୍ମକ ଗଣନ ସଂଖ୍ୟାଗୁଡ଼ିକ ପାଇଁ ବ୍ୟାଖ୍ୟା କରାଯାଇଛି"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "ବୁଲିଆନ XOR କୁ କେବଳ ଯୁକ୍ତାତ୍ମକ ଗଣନ ସଂଖ୍ୟାଗୁଡ଼ିକ ପାଇଁ ବ୍ୟାଖ୍ୟା କରାଯାଇଛି"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "ବୁଲିଆନ NOT କୁ କେବଳ ଯୁକ୍ତାତ୍ମକ ଗଣନ ସଂଖ୍ୟାଗୁଡ଼ିକ ପାଇଁ ବ୍ୟାଖ୍ୟା କରାଯାଇଛି"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1781,767 +1791,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s ଡିଗ୍ରୀ"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "ଡିଗ୍ରୀ,ଡିଗ୍ରୀ,ଡିଗ୍ରୀ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s ରେଡିଆନ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "ରେଡିଆନ,ରେଡିଆନ,ରେଡିଆନ"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s ଗ୍ରାଡିଆନ"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "ଗ୍ରେଡିଆନ,ଗ୍ରେଡିଆନ,ଗ୍ରେଡିଆନ"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "ସେକଣ୍ଡ ପ୍ରତି"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "ସେକଣ୍ଡ ପ୍ରତି,ସେକଣ୍ଡ ପ୍ରତି,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "ଆଲୋକ ବର୍ଷ"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ଆଲୋକ ବର୍ଷ,ଆଲୋକ ବର୍ଷ,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "ଆଷ୍ଟ୍ରନୋମିକାଲ ଏକକ"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "ସମୁଦ୍ରି ମାଇଲ"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "ମାଇଲ"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "ମାଇଲ,ମାଇଲ,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "କିଲୋମିଟର"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "କିଲୋମିଟର,କିଲୋମିଟର,କି.ମି.,କି.ମି."
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "କେବଲ"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "କେବଲ,କେବଲ,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "ଫାତୋମ"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "ଫାତୋମ,ଫାତୋମ,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "ମିଟର"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "ମିଟର,ମିଟର,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "ୟାଡ"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ୟାଡ,ୟାଡ,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "ଫିଟ"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "ଫିଟ,ଫିଟ,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ଇଞ୍ଚ"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "ଇଞ୍ଚ,ଇଞ୍ଚ,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "ସେଣ୍ଟିମିଟର"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "ସେଣ୍ଟିମିଟର,ସେଣ୍ଟିମିଟର,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "ମିଲିମିଟର"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "ମିଲିମିଟର,ମିଲିମିଟର,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "ମାଇକ୍ରୋମିଟର"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "ମାଇକ୍ରୋମିଟର,ମାଇକ୍ରୋମିଟର,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "ନାନୋମିଟର"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "ହେକ୍ଟର"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "ହେକ୍ଟର,ହେକ୍ଟର,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "ଏକର"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s ଏକର"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "ଏକର,ଏକର"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "ଘନ ମିଟର"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "ଗେଲନ"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "ଗେଲନ,ଗେଲନ,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "ଲିଟର"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "ଲିଟର,ଲିଟର,ଲିଟର,ଲିଟର,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "କ୍ୱାଟ"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "କ୍ୱାଟ,କ୍ୱାଟ,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "ପିଣ୍ଟ"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "ପିଣ୍ଟ,ପିଣ୍ଟ,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "ମିଲିଲିଟର"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "ମିଲିଲିଟର,ମିଲିଲିଟର,ମିଲିଲିଟର,ମିଲିଲିଟର,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "ଟନ"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ଟନ,ଟନ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "କିଲୋଗ୍ରାମ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "କିଲୋଗ୍ରାମ,କିଲୋଗ୍ରାମ,କିଲୋଗ୍ରାମ,କିଲୋଗ୍ରାମ,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "ପାଉଣ୍ଡ"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "ପାଉଣ୍ଡ,ପାଉଣ୍ଡ,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "ଆଉନ୍ସ"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ଆଉନ୍ସ,ଆଉନ୍ସ,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "ଗ୍ରାମ"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "ଗ୍ରାମ,ଗ୍ରାମ,ଗ୍ରାମ,ଗ୍ରାମ,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "ବର୍ଷଗୁଡିକ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s ବର୍ଷ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "ବର୍ଷ,ବର୍ଷ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "ଦିନଗୁଡିକ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ଦିନ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "ଦିନ,ଦିନ"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ଘଣ୍ଟା"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ଘଣ୍ଟା"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ଘଣ୍ଟା,ଘଣ୍ଟା"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "ମିନିଟ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s ମିନିଟ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "ମିନିଟ,ମିନିଟ"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "ସେକଣ୍ଡ"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "ସେକେଣ୍ଡ,ସେକେଣ୍ଡ,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "ମିଲିସେକେଣ୍ଡ"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "ମିଲିସେକେଣ୍ଡ,ମିଲିସେକେଣ୍ଡ,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "ମାଇକ୍ରୋସେକଣ୍ଡ"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "ସେଲସିୟସ"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "ଡିଗ୍ରୀ C,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "ଫାରେନହିଟ"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "ଡିଗ୍ରୀ F,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "କେଲଭିନ"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "ରେଙ୍କିନ"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "କୋଣ"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "ଲମ୍ବ"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "କ୍ଷେତ୍ର"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "ଘନଫଳ"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "ଓଜନ"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "ଅବଧି"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "ତାପମାନ"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "ମୁଦ୍ରା"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/pa.po b/po/pa.po
index d23c4b3..5de3a6b 100644
--- a/po/pa.po
+++ b/po/pa.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Panjabi (Punjabi) (https://www.transifex.com/mate/teams/13566/pa/)\n"
+"Language-Team: Panjabi (Punjabi) (https://app.transifex.com/mate/teams/13566/pa/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "ਮੈਮੋਰੀ"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "ਮਿਸ਼ਰਣ ਪਦ"
 
@@ -215,7 +215,7 @@ msgstr "ਕੀਮਤ(_o):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "ਭਵਿੱਖਤ ਮੁੱਲ"
 
@@ -245,7 +245,7 @@ msgstr "ਮਿਆਦੀ ਅਦਾਇਗੀ(_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "ਸ਼ੁੱਧ ਨਫ਼ਾ ਅੰਤਰ"
 
@@ -265,7 +265,7 @@ msgstr "ਦਰ ਅੰਤਰ(_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "ਮਿਆਦੀ ਅਦਾਇਗੀ"
 
@@ -291,7 +291,7 @@ msgstr "ਮੂਲ(_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "ਮੌਜੂਦਾ ਮੁੱਲ"
 
@@ -308,7 +308,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "ਮਿਆਦੀ ਵਿਆਜ ਦਰ"
 
@@ -473,7 +473,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "ਅੱਖਰ ਕੋਡ ਸ਼ਾਮਲ"
 
@@ -523,7 +523,7 @@ msgid "64-bit"
 msgstr "64-ਬਿੱਟ"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "ਮੇਰੀ ਪਸੰਦ"
 
@@ -578,12 +578,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ਕੈਲਕੂਲੇਟਰ"
 
@@ -945,12 +945,12 @@ msgstr "ਵੈਨਜੂਵੇਲਾ ਬੋਲਵਿਰਾ"
 msgid "South African Rand"
 msgstr "ਦੱਖਣੀ ਅਫ਼ਰੀਕੀ ਰਾਂਡ"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "ਗਲਤੀ: ਅੰਤਰਾਲ ਦੀ ਗਿਣਤੀ ਰਿਣਾਤਮਕ ਹੋਣੀ ਚਾਹੀਦੀ ਹੈ"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -961,7 +961,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -978,7 +978,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -998,7 +998,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1008,13 +1008,13 @@ msgstr ""
 "  -s, --solve <equation>          Solve the given equation"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument --solve requires an equation to solve"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "ਅਣਜਾਣ ਆਰਗੂਮੈਂਟ '%s'"
@@ -1029,294 +1029,304 @@ msgstr "ਪਾਈ [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "ਈਉਲਰ ਨੰਬਰ"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "ਪ੍ਹੈਰ 'ਚ ਮੋਡ [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "ਘਾਤ ਮੋਡ [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "ਵਿਗਿਆਨਕ ਐਕਸਪੋਨੈਂਟ [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "ਜੋਡ਼[+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "ਘਟਾਓ [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "ਗੁਣਾ [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "ਭਾਗ [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "ਮੋਡੁਲੁਸ ਭਾਗ"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "ਹੋਰ ਫੰਕਸ਼ਨ"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "ਐਕਸਪੋਨੈਟ [^ ਜਾਂ **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "ਵਰਗ [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "ਫ਼ੀ-ਸਦੀ [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "ਫੈਕਟੋਰੀਅਲ [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "ਅਸਲੀ ਮੁੱਲ [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "ਕੰਪਲੈਕਸ ਆਰਗੂਮੈਂਟ"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "ਕੰਪਲੈਕਸ ਕੰਜੂਗੇਟ"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "ਮੂਲ [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "ਵਰਗਮੂਲ [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "ਲਾਗਰਿਥਮ"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "ਨਿਉਚਰਲ ਲਾਗਰਿਥਮ"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sine"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosine"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "ਹਾਈਪਰਬੋਲਿਕ ਸਾਈਨ"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "ਹਾਈਪਰਬੋਲਿਕ ਕੋਸਾਈਨ"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "ਹਾਈਪਰਬੋਲਿਕ ਟੇਜੈਂਟ"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "ਉਲਟ [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "ਬੁਲੀਅਨ AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "ਬੁਲੀਅਨ OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "ਬੁਲੀਅਨ ਖਾਸ OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "ਬੁਲੀਅਨ NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "ਪੂਰਨ ਅੰਕ ਵਾਲਾ ਹਿੱਸਾ"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "ਗੁਣਨਖੰਡ ਭਾਗ"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "ਰੀਅਲ ਭਾਗ"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "ਇੰਮੈਜ਼ਨਰੀ ਭਾਗ"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "ਇੱਕ ਦਾ ਭਾਗ"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "ਦੋ ਦਾ ਭਾਗ"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "ਗਰੁੱਪ ਸ਼ੁਰੂ [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "ਗਰੁੱਪ ਅੰਤ [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "ਗਣਨਾ ਨਤੀਜਾ"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "ਗੁਣਨਖੰਡ [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "ਡਿਸਪਲੇਅ ਸਾਫ਼ ਕਰੋ [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "ਵਾਪਸ [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "ਮੁੱਲ ਵਿੱਚ ਦੁੱਗਣੀ ਕਮੀ"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "ਵਿੱਤੀ ਟਰਮ"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "ਸਲਾਨਾ ਅੰਕਾਂ ਦੇ ਜੋਡ਼ ਵਿੱਚ ਕਮੀ"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "ਸਰਲ-ਰੇਖੀ ਕਮੀ"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "ਬਾਈਨਰੀ"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "ਉਕਟਿਲ"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "ਦਸ਼ਮਲਵ"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "ਹੈਕਸਾ-ਡੇਸੀਮਲ"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1325,7 +1335,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1333,188 +1343,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "ਰਾਊਂਡ"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "ਫਲੋਰ"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "ਸਿਲਿੰਗ"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "ਸਾਈਨ"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " ਵਿੱਚ "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "ਬਦਲਣ ਯੂਨਿਟਾਂ ਪਲਟਾਓ"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "ਕੋਈ ਵਾਪਸੀ ਅਤੀਤ ਨਹੀਂ"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "ਕੋਈ ਮੁੜ-ਵਾਪਸੀ ਅਤੀਤ ਨਹੀਂ"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "ਸੰਭਾਲਣ ਲਈ sane ਮੁੱਲ ਨਹੀਂ"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "ਸੀਮਾ ਤੋਂ ਵੱਧ ਗਿਆ। ਵੱਡਾ ਸ਼ਬਦ ਆਕਾਰ ਵਰਤੋਂ"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "ਅਣਜਾਣ ਵੇਰੀਬਲ '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "ਫੰਕਸ਼ਨ '%s' ਦਿੱਤਾ ਨਹੀਂ"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "ਅਣਜਾਣ ਬਦਲਾਅ"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "'%s' ਟੋਕਨ ਉੱਤੇ ਨਿਕਾਰਾ ਸਮੀਕਰਨ"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "ਖਰਾਬ ਸਮੀਕਰਨ"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "ਗਿਣਤੀ ਕੀਤੀ ਜਾ ਰਹੀ ਹੈ"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "ਗੁਣਨਖੰਡ ਬਣਾਉਣ ਲਈ ਪੂਰਨ ਅੰਕ ਚਾਹੀਦਾ ਹੈ"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "bitwise shift ਲਈ sane ਮੁੱਲ ਨਹੀਂ"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "ਵੇਖਾਇਆ ਮੁੱਲ ਪੂਰਨ ਅੰਕ ਨਹੀਂ ਹੈ"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1522,63 +1532,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "ਡਿਗਰੀ"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "ਰੇਡੀਅਨ"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "ਗਰੇਡੀਅਨ"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "ਆਟੋਮੈਟਿਕ"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "ਸਥਿਰ"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "ਵਿਗਿਆਨਿਕ"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "ਇੰਜਿਨਅਰਿੰਗ"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d ਦਸ਼ਮਲਵ ਅੰਕਾਂ ਤੱਕ ਵੇਖੋ(_p)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "ਮੱਦਦ ਫਾਇਲ ਖੋਲ੍ਹਣ ਲਈ ਅਸਮਰੱਥ"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "ਸਨ ਮਾਈਕਰੋਸਿਸਟਮ"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1586,7 +1596,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1594,31 +1604,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "ਜਸਵਿੰਦਰ ਸਿੰਘ ਫੂਲੇਵਾਲਾ ੨੦੦੪\n"
@@ -1627,113 +1637,113 @@ msgstr ""
 "http://www.satluj.com"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "ਕੈਲਕੂਲੇਟਰ(_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "ਮੋਡ(_M)"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "ਵੇਖੋ(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "ਮੱਦਦ(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "ਮੁੱਢਲਾ(_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "ਤਕਨੀਕੀ(_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "ਵਿੱਤੀ(_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "ਪਰੋਗਾਰਮਿੰਗ(_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "ਸਮੱਗਰੀ(_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "ਕਾਪੀ ਕਰੋ(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "ਚੇਪੋ(_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "ਵਾਪਿਸ(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "ਪਰਤਾਉ(_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "ਮੇਰੀ ਪਸੰਦ(_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "ਬਾਹਰ(_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "ਇਸ ਬਾਰੇ(_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "ਧਨਾਤਮਕ ਪੂਰਨ ਅੰਕਾਂ ਲਈ ਹੀ ਬੁਲੀਅਨ AND ਕੱਢਿਆ ਜਾ ਸਕਦਾ ਹੈ"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "ਧਨਾਤਮਕ ਪੂਰਨ ਅੰਕਾਂ ਲਈ ਹੀ ਬੁਲੀਅਨ OR ਕੱਢਿਆ ਜਾ ਸਕਦਾ ਹੈ"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "ਧਨਾਤਮਕ ਪੂਰਨ ਅੰਕਾਂ ਲਈ ਹੀ ਬੁਲੀਅਨ XOR ਕੱਢਿਆ ਜਾ ਸਕਦਾ ਹੈ"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "ਧਨਾਤਮਕ ਪੂਰਨ ਅੰਕਾਂ ਲਈ ਹੀ ਬੁਲੀਅਨ NOT ਕੱਢਿਆ ਜਾ ਸਕਦਾ ਹੈ"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "ਪੂਰਨ ਅੰਕ ਮੁੱਲਾਂ ਲਈ ਸਿਫ਼ਟ ਸੰਭਵ ਹੈ"
 
@@ -1788,767 +1798,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr "ਟੈਂਜੈੱਟ ਕੋਣਾਂ ਲਈ ਸੰਭਵ ਨਹੀਂ, ਜੋ π∕2 (90°) ਤੋਂ  π (180°) ਦੇ ਗੁਣਾਂਕ ਹਨ"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "ਉਲਟ ਸਾਈਨ [-1, 1] ਬਾਹਰੀ ਮੁੱਲਾਂ ਲਈ ਸੰਭਵ ਨਹੀਂ"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "ਉਲਟ ਕੋਸਾਈਨ [-1, 1] ਬਾਹਰੀ ਮੁੱਲਾਂ ਲਈ ਸੰਭਵ ਨਹੀਂ"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "ਉਲਟ ਹਾਈਪਰਬੋਲਾ ਕੋਸਾਈਨ ਇੱਕ ਤੋਂ ਘੱਟ ਮੁੱਲਾਂ ਲਈ ਸੰਭਵ ਨਹੀਂ"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s ਡਿਗਰੀਆਂ"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "ਡਿਗਰੀ,ਡਿਗਰੀਆਂ,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s ਰੇਡੀਅਨ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "ਰੇਡੀਅਨ,ਰੇਡੀਅਨ,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s ਗਰੇਡੀਅਨ"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "ਗਰੇਡੀਐਂਟ,ਗਰੇਡੀਐਂਟ,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "ਪ੍ਰਕਾਸ਼ ਸਾਲ"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ਪ੍ਰਕਾਸ਼ਸਾਲ,ਪ੍ਰਕਾਸ਼ਸਾਲ,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "ਪੁਲਾੜੀ ਇਕਾਈ"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "ਨੋਟਿਕਲ ਮੀਲ"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "ਮੀਲ"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "ਮੀਲ,ਮੀਲ,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "ਕਿਲੋਮੀਟਰ"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "ਕਿਲੋਮੀਟਰ,ਕਿਲੋਮੀਟਰ,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "ਕੇਬਲ"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "ਕੇਬਲ,ਕੇਬਲ,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Fathoms"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "ਮੀਟਰ"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "ਮੀਟਰ,ਮੀਟਰ,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "ਯਾਰਡ"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ਯਾਰਡ,ਯਾਰਡ,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "ਫੁੱਟ"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "ਫੁੱਟ,ਫੁੱਟ,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ਇੰਚ"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "ਇੰਚ,ਇੰਚ,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "ਸੈਂਟੀਮੀਟਰ"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "ਸੈਂਟੀਮੀਟਰ,ਸੈਂਟੀਮੀਟਰ,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "ਮਿਲੀਮੀਟਰ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "ਮਿਲੀਮੀਟਰ,ਮਿਲੀਮੀਟਰ,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "ਮਾਈਕਰੋਮੀਟਰ"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "ਮਾਈਕਰੋਮੀਟਰ,ਮਾਈਕਰੋਮੀਟਰ,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "ਨੈਨੋਮੀਟਰ"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "ਨੈਨੋਮੀਟਰ,ਨੈਨੋਮੀਟਰ,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "ਹੈਕਟੇਅਰ"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "ਹੈਕਟੇਅਰ,ਹੈਕਟੇਅਰ,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "ਏਕੜ"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s ਏਕੜ"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "ਏਕੜ,ਏਕੜ"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "ਵਰਗ ਮੀਟਰ"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "ਵਰਗ ਸੈਂਟੀਮੀਟਰ"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "ਵਰਗ ਮਿਲੀਮੀਟਰ"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "ਘਣ ਮੀਟਰ"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "ਗੈਲਨ"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "ਗੈਲਨ,ਗੈਲਨ,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "ਲੀਟਰ"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "ਲੀਟਰ,ਲੀਟਰ,ਲੀਟਰ,ਲੀਟਰ,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "ਕੁਅਰਟ"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "ਕੁਅਰਟ,ਕੁਅਰਟ,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "ਪਿੰਟ"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "ਮਿਲੀਲੀਟਰ"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "ਮਿਲੀਲੀਟਰ,ਮਿਲੀਲੀਟਰ,ਮਿਲੀਲੀਟਰ,ਮਿਲੀਲੀਟਰ,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "ਮਾਈਕਰੋਲੀਟਰ"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "ਟਨ"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ਟਨ,ਟਨ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "ਕਿਲੋਗਰਾਮ"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "ਕਿਲੋਗਰਾਮ,ਕਿਲੋਗਰਾਮ,ਕਿਲੋਗਰਾਮ,ਕਿਲੋਗਰਾਮ,ਕਿਲੋਗਰਾਮ,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "ਪਾਊਂਡ"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "ਪਾਊਂਡ,ਪਾਊਂਡ,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "ਔਂਸ"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ਔਂਸ,ਔਂਸ,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "ਗਰਾਮ"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "ਗਰਾਮ,ਗਰਾਮ,ਗਰਾਮ,ਗਰਾਮ,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "ਸਾਲ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s ਸਾਲ"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "ਸਾਲ,ਸਾਲ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "ਦਿਨ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ਦਿਨ"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "ਦਿਨ,ਦਿਨ"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ਘੰਟੇ"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ਘੰਟੇ"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ਘੰਟਾ,ਘੰਟੇ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "ਮਿੰਟ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s ਮਿੰਟ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "ਮਿੰਟ,ਮਿੰਟ"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "ਸਕਿੰਟ"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "ਸਕਿੰਟ,ਸਕਿੰਟ,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "ਮਿਲੀਸਕਿੰਟ"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "ਮਿਲੀਸਕਿੰਟ,ਮਿਲੀਸਕਿੰਟ,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "ਮਾਈਕਰੋਸਕਿੰਟ"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "ਮਾਈਕਰੋਸਕਿੰਟ,ਮਾਈਕਰੋਸਕਿੰਟ,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "ਸੈਲਸੀਅਸ"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "ਫਾਰਨਹਾਈਟ"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "ਕੈਲਵਿਨ"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "ਰੈਂਕਿਨ"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "ਕੋਣ"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "ਲੰਬਾਈ"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "ਖੇਤਰਫਲ"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "ਵਾਲੀਅਮ"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "ਭਾਰ"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "ਅੰਤਰਾਲ"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "ਤਾਪਮਾਨ"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "ਮੁਦਰਾ"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/pl.po b/po/pl.po
index 2d40308..1ea29b3 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -13,16 +13,16 @@
 # pietrasagh <[email protected]>, 2019
 # Dominik Adrian Grzywak, 2020
 # Stefano Karapetsas <[email protected]>, 2020
-# No Ne, 2021
+# Marek Adamski, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: No Ne, 2021\n"
-"Language-Team: Polish (https://www.transifex.com/mate/teams/13566/pl/)\n"
+"Last-Translator: Marek Adamski, 2023\n"
+"Language-Team: Polish (https://app.transifex.com/mate/teams/13566/pl/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -60,7 +60,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Pamięć"
 
@@ -123,7 +123,7 @@ msgstr "stała"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Okres kapitalizacji"
 
@@ -180,7 +180,7 @@ msgstr "Okr_esowa stopa zwrotu:"
 #. Periodic Interest Rate Dialog: Label before future value input
 #: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
-msgstr "_Przyszła wartość"
+msgstr "Wartość _przyszła:"
 
 #. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
@@ -224,7 +224,7 @@ msgstr "_Koszt:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Wartość przyszła"
 
@@ -254,7 +254,7 @@ msgstr "Płatność _okresowa:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Marża zysku brutto"
 
@@ -274,7 +274,7 @@ msgstr "_Marża:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Płatność okresowa"
 
@@ -300,7 +300,7 @@ msgstr "_Kapitał:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Obecna wartość"
 
@@ -316,7 +316,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Okresowa stopa zwrotu"
 
@@ -483,7 +483,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Wstawia kod znaku"
 
@@ -533,7 +533,7 @@ msgid "64-bit"
 msgstr "64 bity"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferencje"
 
@@ -594,12 +594,12 @@ msgstr ""
 "Desktop. Jeśli chcesz dowiedzieć się więcej o MATE i Kalkulatorze MATE, "
 "odwiedź stronę główną projektu."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Kalkulator MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulator"
 
@@ -961,12 +961,12 @@ msgstr "boliwar wenezuelski"
 msgid "South African Rand"
 msgstr "rand południowoafrykański"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Błąd: liczba okresów musi być dodatnia"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -977,7 +977,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -994,7 +994,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1014,7 +1014,7 @@ msgstr ""
 "  --g-fatal-warnings              Wszystkie ostrzeżenia są krytyczne"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1024,13 +1024,13 @@ msgstr ""
 "  -s, --solve <równanie>          Rozwiązuje podane równanie"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Parametr --solve wymaga równania do rozwiązania"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Nieznany parametr \"%s\""
@@ -1045,294 +1045,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Liczba Eulera"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Jednostka urojona"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Kropka dziesiętna"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Tryb indeksu dolnego [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Tryb indeksu górnego [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Potęgowanie naukowe [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Dodaje [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Odejmuje [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Mnoży [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dzieli [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Dzielenie modulo"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Dodatkowe funkcje"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Dodatkowe stałe"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Potęguje [^ lub **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kwadrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Procent [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Silnia [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Wartość bezwzględna [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argument liczby zespolonej"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Sprzężenie zespolone"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Pierwiastek [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Pierwiastek kwadratowy [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logarytm"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logarytm naturalny"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangens"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sinus hiperboliczny"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosinus hiperboliczny"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangens hiperboliczny"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Odwróć sinusa"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Odwróć cosinusa"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Odwróć tangensa"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Odwraca [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Zmienna ORAZ"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Zmienna LUB"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Zmienna wykluczająca LUB"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Zmienna NIE"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Część całkowita"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Część ułamkowa"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Część rzeczywista"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Część urojona"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Uzupełnia do jedności"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Uzupełnia do dwóch"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Grupa początkowa [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Grupa końcowa [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Oblicza wynik"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Rozkłada na czynniki [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Czyści wyświetlacz [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Cofa [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Przesuwa w lewo [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Przesuwa w prawo [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Amortyzacja metodą podwójnie malejącego salda"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Termin finansowy"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Amortyzacja metodą sumy cyfr lat amortyzacji"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Amortyzacja liniowa"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binarnie"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktalnie"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Dziesiętnie"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heksadecymalnie"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1343,7 +1353,7 @@ msgstr[3] "_%d miejsc"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1353,188 +1363,188 @@ msgstr[2] "%d miejsc"
 msgstr[3] "%d miejsc"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Zaokrągla"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Podłoga"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Sufit"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Signum"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
-msgstr "Prędkość Światła"
+msgstr "Prędkość światła"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Stała magnetyczna"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Stała elektryczna"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Newtonowska stała grawitacji"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Stała Plancka"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Ładunek elementarny"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Masa elektronowa"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Masa protonowa"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Stała Avogadro"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " na "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Przełącza jednostki konwersji"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Brak historii cofania"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Brak historii ponawiania"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Brak poprawnej wartości do przechowania"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Przepełnienie. Proszę spróbować większego słowa maszynowego"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Nieznana zmienna \"%s\""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Nie określono funkcji \"%s\""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Nieznana konwersja"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Nieprawidłowa forma wyrażenia w tokenie \"%s\""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Nieprawidłowa forma wyrażenia"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Obliczanie"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Do rozłożenia na czynniki potrzebna jest liczba całkowita"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Brak poprawnej wartości dla przesunięcia bitowego"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Wyświetlana wartość nie jest całkowita"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1542,63 +1552,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Stopnie"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radiany"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradiany"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatyczny"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Stały"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Naukowy"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Inżynierski"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Wyświetlanie %d _miejsc po przecinku"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Nie można otworzyć pliku pomocy"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Zespół dokumentacji MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1608,9 +1618,9 @@ msgstr ""
 "Kalkulator MATE jest wolnym oprogramowaniem; można go rozprowadzać dalej "
 "i/lub modyfikować na warunkach Powszechnej Licencji Publicznej GNU, wydanej "
 "przez Fundację Wolnego Oprogramowania - według wersji drugiej tej Licencji "
-"lub którejś z późniejszych wersji. "
+"lub którejś z późniejszych wersji."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1621,9 +1631,9 @@ msgstr ""
 "jednak BEZ JAKIEJKOLWIEK GWARANCJI, nawet domyślnej gwarancji PRZYDATNOŚCI "
 "HANDLOWEJ albo PRZYDATNOŚCI DO OKREŚLONYCH ZASTOSOWAŃ. W celu uzyskania "
 "bliższych informacji należy zapoznać się z Powszechną Licencją Publiczną "
-"GNU. "
+"GNU."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1634,7 +1644,7 @@ msgstr ""
 "- proszę napisać do Free Software Foundation, Inc., 51 Franklin Street, "
 "Fifth Floor, Boston, MA 02110-1301 USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1643,11 +1653,11 @@ msgstr ""
 "Kalkulator z trybami finansowymi i naukowymi.\n"
 "Używa GNU MPFR %s oraz GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "O Kalkulatorze MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1655,7 +1665,7 @@ msgstr ""
 "Prawa autorskie © 1986–2010 autorzy GCalctool\n"
 "Prawa autorskie © 2011-2021 programiści MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Tłumacze środowiska MATE, 2014-2018\n"
@@ -1669,113 +1679,113 @@ msgstr ""
 "Aviary.pl, 2007-2010"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Tryb"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Widok"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "P_omoc"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Podstawowy"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Zaawansowany"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finansowy"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
-msgstr "P_rogramowanie"
+msgstr "P_rogramisty"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Historia"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Spis treści"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "S_kopiuj"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Wk_lej"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Cofnij"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Ponów"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Wyczyść historię"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "P_referencje"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Zakończ"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_O programie"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Zmienna ORAZ jest określona tylko dla dodatnich liczb całkowitych"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Zmienna LUB jest określona tylko dla dodatnich liczb całkowitych"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Zmienna XOR jest określona tylko dla dodatnich liczb całkowitych"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Zmienna NIE jest określona tylko dla dodatnich liczb całkowitych"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Przesunięcie jest możliwe tylko na wartościach całkowitych"
 
@@ -1831,7 +1841,7 @@ msgstr ""
 "Funkcja dzeta Riemanna jest określona tylko dla liczb rzeczywistych ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1840,23 +1850,23 @@ msgstr ""
 "(180°) z π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Odwrotny sinus jest nieokreślony dla wartości spoza [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Odwrotny cosinus jest nieokreślony dla wartości spoza [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "Funkcja arcus tangens jest nieokreślona dla wartości i oraz -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Odwrotny cosinus hiperboliczny jest nieokreślony dla wartości mniejszych od "
@@ -1864,739 +1874,739 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "Odwrotny tangens hiperboliczny jest nieokreślony dla wartości spoza (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s stopni"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "stopień,stopnie,st"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radiany"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radiany,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s grady"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "grad,grady,gon,gradus"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parseki"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsek,parseki,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Lata świetlne"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "rok świetlny,lata świetlne,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Jednostki astronomiczne"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Mile morskie"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Mile"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mila,mile,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometry"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometr,kilometry,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kable"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabel,kable,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
-msgstr "Sążeń"
+msgstr "Sążnie"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "sążeń,sążnie,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metry"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metr,metry,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
-msgstr "Jard"
+msgstr "Jardy"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jard,jardy,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
-msgstr "Stopa"
+msgstr "Stopy"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "stopa,stopy,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Cale"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "cal,cale,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centymetry"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centymetr,centymetry,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetry"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimetr,milimetry,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometry"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometr,mikrometry,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometry"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometr,nanometry,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektary"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektar,hektary,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Akry"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s akrów"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "akr,akry"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metry kwadratowe"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centymetry kwadratowe"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milimetry kwadratowe"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metry sześcienne"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galony"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galon,galony,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litry"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litr,litry,l"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Kwarty"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kwarta,kwarty,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Półkwarty"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "półkwarta,półkwarty,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitry"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitr,mililitry,ml,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikrolitry"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μl"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μl,ul"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tony"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tona,tony,t"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramy"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilogramy,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
-msgstr "Funt"
+msgstr "Funty"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "funt,funty,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Uncje"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "uncja,uncje,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramy"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,gramy,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Lata"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s lat"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "rok,lata"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dni"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dni"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dzień,dni"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Godziny"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s godzin"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "godzina,godziny"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minuty"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minut"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuta,minuty"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekundy"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekunda,sekundy,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisekundy"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisekunda,milisekundy,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekundy"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekunda,mikrosekundy,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
-msgstr "Celsjusza"
+msgstr "Celsjusz"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "stC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
-msgstr "Stopień Fahrenheita"
+msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "stF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
-msgstr "Kelwina"
+msgstr "Kelwin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
-msgstr "Stopień Rankine'a"
+msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "stR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Kąt"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Długość"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Obszar"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
-msgstr "Głośność"
+msgstr "Objętość"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Waga"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Czas"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Waluta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/pms.po b/po/pms.po
index 995518a..416253b 100644
--- a/po/pms.po
+++ b/po/pms.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Randy Ichinose <[email protected]>, 2020\n"
-"Language-Team: Piemontese (https://www.transifex.com/mate/teams/13566/pms/)\n"
+"Language-Team: Piemontese (https://app.transifex.com/mate/teams/13566/pms/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferense"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Adission [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Sotrassion [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Moltiplicassion [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Division [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calcolatris"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vista"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Agiut"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copia"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Seurte"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Al rësgard"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yards"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Feet"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot,feet,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inches"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centim"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centim,centim,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milim"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milim,milim,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liter"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "ann,agn"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dì"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dì"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dì,dì"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Ore"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ore"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ora,ore"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Àngol"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Longhëssa"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Area"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volum"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Pèis"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Durà"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperdura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ps.po b/po/ps.po
index 3dc0289..210e3ba 100644
--- a/po/ps.po
+++ b/po/ps.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Pushto (https://www.transifex.com/mate/teams/13566/ps/)\n"
+"Language-Team: Pashto (https://app.transifex.com/mate/teams/13566/ps/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "یاد"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "غوراوي"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,144 +1560,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Saif Khan <[email protected]>Pathanisation project "
 "<[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "ليد_"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "مرسته_"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "منځپانګې_"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "لمېسل_"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "سرېښل_"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "ناکړ_"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "بياکړ_"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "غوراوي_"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "بندول_"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "په اړه_"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1742,767 +1752,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "اېنچه"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "ميلي ميټرې"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/pt.po b/po/pt.po
index 4f07a7e..7ea6d6a 100644
--- a/po/pt.po
+++ b/po/pt.po
@@ -8,32 +8,32 @@
 # fc2d9c36d73e741383fbbf46a4aac49f_013445b, 2018
 # Luis Filipe Teixeira <[email protected]>, 2018
 # Manuela Silva <[email protected]>, 2018
-# José Vieira <[email protected]>, 2018
 # Wolfgang Ulbrich <[email protected]>, 2019
 # Rui <[email protected]>, 2019
-# Hugo Carvalho <[email protected]>, 2019
 # Carlos Moreira, 2020
-# Stefano Karapetsas <[email protected]>, 2020
 # Guilherme Campos <[email protected]>, 2020
+# Hugo Carvalho <[email protected]>, 2021
+# José Vieira <[email protected]>, 2021
+# Stefano Karapetsas <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Guilherme Campos <[email protected]>, 2020\n"
-"Language-Team: Portuguese (https://www.transifex.com/mate/teams/13566/pt/)\n"
+"Last-Translator: Stefano Karapetsas <[email protected]>, 2022\n"
+"Language-Team: Portuguese (https://app.transifex.com/mate/teams/13566/pt/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: pt\n"
-"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+"Plural-Forms: nplurals=3; plural=(n == 0 || n == 1) ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
-msgstr "Fatorizar"
+msgstr "Factorizar"
 
 #. Label on the solve button (clicking this solves the displayed calculation)
 #: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
@@ -61,7 +61,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memória"
 
@@ -78,7 +78,7 @@ msgstr "Anular"
 
 #: src/buttons-advanced.ui:663
 msgid "asin"
-msgstr "asen"
+msgstr "asin"
 
 #: src/buttons-advanced.ui:677
 msgid "atan"
@@ -101,7 +101,7 @@ msgstr "Inverso"
 #. Accessible name for the factorial button
 #: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
-msgstr "Fatorial"
+msgstr "Factorial"
 
 #. Accessible name for the absolute value button
 #: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
@@ -120,13 +120,13 @@ msgstr "Subscrito"
 
 #: src/buttons-advanced.ui:966
 msgid "const"
-msgstr ""
+msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
-msgstr "Juro Composto"
+msgstr "Prazo de Acumulação"
 
 #: src/buttons-financial.ui:28 src/buttons-financial.ui:211
 #: src/buttons-financial.ui:394 src/buttons-financial.ui:577
@@ -162,9 +162,9 @@ msgid ""
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
-"Calcula o número de períodos de juro composto necessários para aumentar o "
+"Calcula o número de períodos de acumulação necessários para aumentar o "
 "investimento de um valor atual para um valor futuro, a uma taxa de juro fixa"
-" por período de juro composto."
+" por período de períodos de acumulação."
 
 #. Compounding Term Dialog: Label before periodic interest rate input
 #. Future Value Dialog: Label before periodic interest rate input
@@ -225,7 +225,7 @@ msgstr "C_usto:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valor Futuro"
 
@@ -255,7 +255,7 @@ msgstr "_Pagamento Periódico:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Margem de Lucro Bruta"
 
@@ -275,7 +275,7 @@ msgstr "_Margem:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pagamento Periódico"
 
@@ -301,7 +301,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valor Atual"
 
@@ -318,7 +318,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Taxa de Juro Periódica"
 
@@ -329,7 +329,7 @@ msgid ""
 "future value, over the number of compounding periods. "
 msgstr ""
 "Calcula o juro periódico necessário para aumentar um investimento para um "
-"valor futuro, durante o número de períodos de juro composto. "
+"valor futuro, durante o número de períodos de acumulação. "
 
 #. Title of Straight-Line Depreciation dialog
 #: src/buttons-financial.ui:1262
@@ -398,9 +398,9 @@ msgid ""
 "of an ordinary annuity, to accumulate a future value, at a periodic interest"
 " rate."
 msgstr ""
-"Calcula o número de períodos de pagamento que são necessários durante a "
-"duração de uma anuidade comum, para acumular um valor futuro, a uma taxa de "
-"juro periódica."
+"Calcula o número de períodos de pagamento que são necessários durante o "
+"prazo de uma anuidade ordinária, para acumular um valor futuro, a uma taxa "
+"de juro periódica."
 
 #. Calculates the number of compounding periods necessary to increase an
 #. investment of present value pv to a future value of fv, at a fixed interest
@@ -408,14 +408,14 @@ msgstr ""
 #. http://en.wikipedia.org/wiki/Compound_interest
 #: src/buttons-financial.ui:2166
 msgid "Ctrm"
-msgstr "Terco"
+msgstr "CTRM"
 
 #. Calculates the depreciation allowance on an asset for a specified period of
 #. time, using the double-declining balance method. See also:
 #. http://en.wikipedia.org/wiki/Depreciation
 #: src/buttons-financial.ui:2181
 msgid "Ddb"
-msgstr "Add"
+msgstr "ADD"
 
 #. Calculates the future value of an investment based on a series of equal
 #. payments, each of amount pmt, at a periodic interest rate of int, over the
@@ -423,7 +423,7 @@ msgstr "Add"
 #. http://en.wikipedia.org/wiki/Future_value
 #: src/buttons-financial.ui:2196
 msgid "Fv"
-msgstr "Vf"
+msgstr "VF"
 
 #. Calculates the number of payment periods that are necessary during the term
 #. of an ordinary annuity, to accumulate a future value of fv, at a periodic
@@ -431,7 +431,7 @@ msgstr "Vf"
 #. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
 #: src/buttons-financial.ui:2211
 msgid "Term"
-msgstr "Pp"
+msgstr "Prz"
 
 #. Calculates the depreciation allowance on an asset for a specified period of
 #. time, using the Sum-Of-The-Years'-Digits method. This method of
@@ -442,7 +442,7 @@ msgstr "Pp"
 #. http://en.wikipedia.org/wiki/Depreciation
 #: src/buttons-financial.ui:2226
 msgid "Syd"
-msgstr "Asa"
+msgstr "ASA"
 
 #. Calculates the straight-line depreciation of an asset for one period. The
 #. depreciable cost is cost - salvage. The straight-line method of
@@ -452,7 +452,7 @@ msgstr "Asa"
 #. http://en.wikipedia.org/wiki/Depreciation
 #: src/buttons-financial.ui:2241
 msgid "Sln"
-msgstr "Acon"
+msgstr "ACt"
 
 #. Calculates the periodic interest necessary to increase an investment of
 #. present value pv to a future value of fv, over the number of compounding
@@ -467,27 +467,27 @@ msgstr "Taxa"
 #. http://en.wikipedia.org/wiki/Present_value
 #: src/buttons-financial.ui:2271
 msgid "Pv"
-msgstr "Va"
+msgstr "VA"
 
 #. Calculates the amount of the periodic payment of a loan, where payments are
 #. made at the end of each payment period. See also:
 #. http://en.wikipedia.org/wiki/Amortization_schedule
 #: src/buttons-financial.ui:2286
 msgid "Pmt"
-msgstr "Paga"
+msgstr "Pag"
 
 #. Calculates the resale price of a product, based on the product cost and the
 #. wanted gross profit margin. See also:
 #. http://en.wikipedia.org/wiki/Gross_profit_margin
 #: src/buttons-financial.ui:2301
 msgid "Gpm"
-msgstr "Mlb"
+msgstr "MLB"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
-msgstr "Inserir Código de Caractere"
+msgstr "Inserir Código de Carácter"
 
 #. Insert ASCII dialog: Button to insert selected character
 #: src/buttons-programming.ui:42
@@ -497,22 +497,22 @@ msgstr "_Inserir"
 #. Insert ASCII dialog: Label before character entry
 #: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
-msgstr "C_aractere:"
+msgstr "C_arácter:"
 
 #. Accessible name for the shift left button
 #: src/buttons-programming.ui:2477
 msgid "Shift Left"
-msgstr "Deslocar à Esquerda"
+msgstr "Deslocar para a Esquerda"
 
 #. Accessible name for the shift right button
 #: src/buttons-programming.ui:2526
 msgid "Shift Right"
-msgstr "Deslocar à Direita"
+msgstr "Deslocar para a Direita"
 
 #. Accessible name for the insert character button
 #: src/buttons-programming.ui:2756
 msgid "Insert Character"
-msgstr "Inserir Caractere"
+msgstr "Inserir Carácter"
 
 #. Word size combo: 8 bits
 #: src/preferences.ui:40
@@ -535,7 +535,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferências"
 
@@ -546,7 +546,7 @@ msgstr "Fe_char"
 #. Preferences dialog: Label for angle unit combo box
 #: src/preferences.ui:112
 msgid "_Angle units:"
-msgstr "_Unidades de ângulo:"
+msgstr "Valores _angulares em:"
 
 #. Preferences dialog: Label for display format combo box
 #: src/preferences.ui:126
@@ -561,12 +561,12 @@ msgstr "_Tamanho da palavra:"
 #. Preferences dialog: label for show trailing zeroes check button
 #: src/preferences.ui:199
 msgid "Show trailing _zeroes"
-msgstr "Mostrar _zeros no final"
+msgstr "Mostrar _zeros finais"
 
 #. Preferences dialog: label for show thousands separator check button
 #: src/preferences.ui:215
 msgid "Show _thousands separators"
-msgstr "Mostrar o separador de _milhares"
+msgstr "Mostrar separadores de milhares"
 
 #: data/mate-calc.appdata.xml.in:7
 msgid "MATE Calc"
@@ -574,7 +574,7 @@ msgstr "MATE Calc"
 
 #: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
-msgstr "Calculadora de Área de Trabalho MATE"
+msgstr "Calculadora do Ambiente de trabalho MATE"
 
 #: data/mate-calc.appdata.xml.in:10
 msgid ""
@@ -582,9 +582,9 @@ msgid ""
 "scientific modes. It uses a multiple precision package to do its arithmetic "
 "to give a high degree of accuracy."
 msgstr ""
-"Mate Calc é uma calculador gráfica poderosa com modos para finanças, lógica "
-"e ciência. Utiliza um pacote de precisão múltipla no seu processo aritmético"
-" para obter um nível alto de precisão."
+"O Mate Calc é uma calculadora gráfica poderosa com modos financeiro, lógico "
+"e científico. Utiliza um pacote de precisão múltipla no seu processo "
+"aritmético para obter um alto nível de precisão."
 
 #: data/mate-calc.appdata.xml.in:15
 msgid ""
@@ -592,25 +592,28 @@ msgid ""
 "If you would like to know more about MATE and MATE Calc, please visit the "
 "project's home page."
 msgstr ""
+"O MATE Calc é um derivado do GNOME Calc e é parte do Ambiente de trabalho "
+"MATE. Para mais informação sobre o MATE e o MATE Calc, visitar o sítio web "
+"do projecto."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculadora MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculadora"
 
 #: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
-msgstr "Realize cálculos aritméticos, científicos ou financeiros"
+msgstr "Realizar cálculos aritméticos, científicos ou financeiros"
 
 #. Translators: Search terms to find this application. Do NOT translate or
 #. localize the semicolons! The list MUST also end with a semicolon!
 #: data/mate-calc.desktop.in:13
 msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
-msgstr "calculadora;MATE;cientifica;aritmética;financeira;cálculos;"
+msgstr "calculadora;MATE;científicos;aritméticos;financeiros;cálculos;"
 
 #: data/org.mate.calc.gschema.xml:25
 msgid "Accuracy value"
@@ -638,12 +641,13 @@ msgstr "A base numérica"
 
 #: data/org.mate.calc.gschema.xml:42
 msgid "Show Thousands Separators"
-msgstr "Mostrar o Separador de Milhares"
+msgstr "Mostrar Separadores de Milhares"
 
 #: data/org.mate.calc.gschema.xml:43
 msgid "Indicates whether thousands separators are shown in large numbers."
 msgstr ""
-"Indica se os separadores dos milhares são apresentados em números grandes."
+"Indica se em números grandes os separadores de milhares são ou não "
+"apresentados."
 
 #: data/org.mate.calc.gschema.xml:47
 msgid "Show Trailing Zeroes"
@@ -654,8 +658,8 @@ msgid ""
 "Indicates whether any trailing zeroes after the numeric point should be "
 "shown in the display value."
 msgstr ""
-"Indica se deverão ser visíveis quaisquer zeros após o separador decimal no "
-"valor apresentado."
+"Indica se deverão ser visíveis ou não quaisquer zeros após o separador "
+"decimal no valor apresentado."
 
 #: data/org.mate.calc.gschema.xml:52
 msgid "Show History"
@@ -807,7 +811,7 @@ msgstr "Kuna Croata"
 
 #: src/currency-manager.c:51
 msgid "Hungarian Forint"
-msgstr "Forint Húngaro"
+msgstr "Florim Húngaro"
 
 #: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
@@ -863,7 +867,7 @@ msgstr "Dinar Líbio"
 
 #: src/currency-manager.c:65
 msgid "Mauritian Rupee"
-msgstr "Rupia Mauritânia"
+msgstr "Rupia da Mauritânia"
 
 #: src/currency-manager.c:66
 msgid "Mexican Peso"
@@ -891,7 +895,7 @@ msgstr "Rial Omani"
 
 #: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
-msgstr "Nuevo Sol Peruano"
+msgstr "Novo Sol Peruano"
 
 #: src/currency-manager.c:73
 msgid "Philippine Peso"
@@ -961,12 +965,12 @@ msgstr "Bolívar Venezuelano"
 msgid "South African Rand"
 msgstr "Rand Sul-Africano"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Erro: o número de períodos deve ser positivo"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -977,7 +981,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -994,7 +998,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1006,15 +1010,15 @@ msgid ""
 "  --g-fatal-warnings              Make all warnings fatal"
 msgstr ""
 "Opções GTK+:\n"
-"  --class=CLASS                   Classe da aplicação tal como utilizada pelo gestor de janelas\n"
-"  --name=NAME                     Nome da aplicação tal como utilizada pelo gestor de janelas\n"
-"  --screen=SCREEN                 Ecrã X a utilizar\n"
-"  --sync                          Realizar as invocações X síncronas\n"
+"  --class=CLASS                   Classe do programa tal como utilizada pelo gestor de janelas\n"
+"  --name=NAME                     Nome do programa tal como utilizada pelo gestor de janelas\n"
+"  --screen=SCREEN                 Ecrã do X a usar\n"
+"  --sync                          Tornar síncronas as invocações do X\n"
 "  --gtk-module=MODULES            Ler módulos GTK+ adicionais\n"
 "  --g-fatal-warnings              Tornar todos os avisos em erros fatais"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1024,13 +1028,13 @@ msgstr ""
 "  -s, --solve <equação>           Resolver a equação indicada"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "O argumento --solve requer uma equação a resolver"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Argumento '%s' desconhecido"
@@ -1045,492 +1049,504 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Número de Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Ponto decimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Modo de número subscrito [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Modo de número sobrescrito [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Expoente científico [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Adicionar [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Subtrair [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplicar [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dividir [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Resto da Divisão Inteira"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Funções Adicionais"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Constantes Adicionais"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Expoente [^ ou **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Quadrado [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentagem [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Fatorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valor absoluto [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argumento complexo"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Conjugação complexa"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Raiz [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Raiz quadrada [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmo"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritmo Natural"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Seno"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Coseno"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Seno Hiperbólico"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Coseno Hiperbólico"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangente Hiperbólica"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Seno Inverso"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Coseno Inverso"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Tangente Inversa"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverso [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
-msgstr "AND boleano"
+msgstr "E booleano"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
-msgstr "OR boleano"
+msgstr "OU booleano"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
-msgstr "OR Exclusivo Boleano"
+msgstr "OU Exclusivo booleano"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
-msgstr "NOT boleano"
+msgstr "NÃO booleano"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
-msgstr "Porção Inteira"
+msgstr "Componente Inteira"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
-msgstr "Porção Fracionária"
+msgstr "Componente Fracionária"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Componente Real"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Componente Imaginário"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Complemento de Um"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Complemento de Dois"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Início de Bloco [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
-msgstr "Final de Bloco [)]"
+msgstr "Fim de Bloco [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcular o Resultado"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
-msgstr "Fatorizar [Ctrl+F]"
+msgstr "Factorizar [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
-msgstr "Limpar o Ecrã [Escape]"
+msgstr "Limpar o Visor [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Desfazer [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
-msgstr "Shift Esquerda [<<]"
+msgstr "Deslocar para a Esquerda [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
-msgstr "Shift Direita [>>]"
+msgstr "Deslocar para a Direita [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Amortização de Duplo Declínio"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
-msgstr "Termo Financeiro"
+msgstr "Prazo Financeiro"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Amortização por Soma dos Dígitos dos Anos"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Amortização Constante"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binário"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
-msgstr "Octogonal"
+msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
 msgstr[0] "_%d local"
 msgstr[1] "_%d locais"
+msgstr[2] "_%d locais"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "%d local"
 msgstr[1] "%d locais"
+msgstr[2] "%d locais"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Arredondar"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Inteiro anterior"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Inteiro Seguinte"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
-msgstr "Sinal"
+msgstr "Símbolo"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Velocidade da Luz"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Constante Magnética"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
-msgstr ""
+msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Constante Eléctrica"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
-msgstr ""
+msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
-msgstr ""
+msgstr "Constante de Gravitação Universal"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
-msgstr ""
+msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
-msgstr ""
+msgstr "Constante de Planck"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
-msgstr ""
+msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
-msgstr ""
+msgstr "Carga elementar"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
-msgstr ""
+msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
-msgstr ""
+msgstr "Massa do electrão"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
-msgstr ""
+msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
-msgstr ""
+msgstr "Massa do protão"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
-msgstr ""
+msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
-msgstr ""
+msgstr "Constante de Avogadro"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
-msgstr ""
+msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " em "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Alterar as unidades de conversão"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Nenhum histórico de desfazer"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Nenhum histórico de refazer"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Nenhum valor lógico a armazenar"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
-msgstr "Extravasou. Tente um tamanho de palavra maior"
+msgstr "Extravasou. Tentar um tamanho de palavra maior"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variável desconhecida '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "A função '%s' não está definida"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversão desconhecida"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
-msgstr "Expressão malformada no ponto '%s'"
+msgstr "Expressão mal formada no ponto '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
-msgstr "Expressão mal-formada"
+msgstr "Expressão mal formada"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
-msgstr "A Calcular"
+msgstr "A calcular"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
-msgstr "É necessário um inteiro para fatorizar"
+msgstr "É necessário um número inteiro para factorizar"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Nenhum valor lógico para fazer deslocamento de bits"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
-msgstr "O valor apresentado não é um inteiro"
+msgstr "O valor apresentado não é um número inteiro"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1538,216 +1554,231 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Graus"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianos"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
-msgstr "Gradianos"
+msgstr "Grados"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automático"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixo"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Científico"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Engenharia"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Mostrar %d _casas decimais"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Incapaz de abrir o ficheiro de ajuda"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Equipa de Documentação do MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
 "Software Foundation; either version 2 of the License, or (at your option) "
 "any later version."
 msgstr ""
+"A Calculadora MATE é software livre. Pode ser redistribuída e/ou modificada "
+"nos termos da Licença Pública Geral GNU como publicada pela Fundação para o "
+"Software Livre, dos EUA, (Free Software Foundation), na versão 2 da Licença "
+"ou (por opção de quem modificar) qualquer versão posterior."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
 "or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for"
 " more details."
 msgstr ""
+"A Calculadora MATE é distribuída na expectativa de que seja útil, mas SEM "
+"QUALQUER GARANTIA, sem mesmo a garantia implícita de COMERCIABILIDADE ou "
+"ADEQUAÇÃO PARA UM PROPÓSITO ESPECÍFICO. Para mais informação, ver a Licença "
+"Pública Geral GNU."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
+"Com a Calculadora MATE, deve ter sido recebida uma cópia da Licença Pública "
+"Geral GNU. Se não foi, pode ser solicitada a Free Software Foundation, Inc.,"
+" 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
+"Calculadora com modos financeiro e científico.\n"
+"São usadas as bibliotecas GNU MPFR %s e GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
-msgstr ""
+msgstr "Acerca da Calculadora MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
+"Direitos de autor © 1986–2010 Autores do programa GCalctool\n"
+"Direitos de autor © 2011-2021 Programadores do MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Hugo Carvalho <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculadora"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modo"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Ver"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
-msgstr "A_juda"
+msgstr "_Ajuda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Básico"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avançado"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financeiro"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programação"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Histórico"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Conteúdo"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copiar"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Co_lar"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "An_ular"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Refazer"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Limpar Histórico"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferências"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Sair"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
-msgstr "_Sobre"
+msgstr "_Acerca"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
-msgstr "AND boleano apenas está definido para inteiros positivos"
+msgstr "O «E» boleano só está definido para inteiros positivos"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
-msgstr "OR boleano apenas está definido para inteiros positivos"
+msgstr "O «OU» boleano só está definido para inteiros positivos"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
-msgstr "XOR boleano apenas está definido para inteiros positivos"
+msgstr "O «OU exclusivo» boleano só está definido para inteiros positivos"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
-msgstr "NOT boleano apenas está definido para inteiros positivos"
+msgstr "O «NÃO» boleano só está definido para inteiros positivos"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
-msgstr "Deslocamento apenas é possível em valores inteiros"
+msgstr "Só é possível deslocar em valores inteiros"
 
 #. Translators: Error display when attempting to take argument of zero
 #: src/mp.c:123
@@ -1767,19 +1798,19 @@ msgstr "O logaritmo de zero é indefinido"
 #. Translators: Error displayed when attempting to take zeroth root
 #: src/mp.c:434
 msgid "The zeroth root of a number is undefined"
-msgstr ""
+msgstr "A raiz de base zero de um número é indefinida"
 
 #. Translators: Error displayed when attempted take the factorial of a
 #. negative or complex number
 #: src/mp.c:474
 msgid "Factorial is only defined for non-negative real numbers"
-msgstr ""
+msgstr "A função factorial só está definida para números reais não negativos"
 
 #. Translators: Error displayed when attemping to do a modulus division on
 #. non-integer numbers
 #: src/mp.c:504
 msgid "Modulus division is only defined for integers"
-msgstr "O resto da divisão apenas está definido para inteiros"
+msgstr "O resto da divisão apenas está definido para números inteiros"
 
 #. Translators: Error displayed when attempted to raise 0 to a negative
 #. exponent
@@ -1792,15 +1823,15 @@ msgstr "A potência de zero é indefinida num expoente negativo"
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
 msgid "The error function is only defined for real numbers"
-msgstr ""
+msgstr "A função de erro só está definida para números reais"
 
 #. Translators: Error displayed when zeta function value is undefined
 #: src/mp.c:632
 msgid "The Riemann zeta function is only defined for real numbers ≠1"
-msgstr ""
+msgstr "A função zeta de Riemann só está definida para números reais ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1809,760 +1840,762 @@ msgstr ""
 "partir de π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "O seno inverso é indefinido para valores fora do intervalo [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "O coseno inverso é indefinido para valores fora do intervalo [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
-msgstr ""
+msgstr "O arco de tangente é indefinido para valores i e -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "O coseno hiperbólico inverso é indefinido para valores menores que um"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
+"A tangente hyperbólica inversa é indefinida para valores fora do intervalo "
+"(-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s graus"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
-msgstr "grau,graus,gra"
+msgstr "grau,graus,gr"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianos"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radiano,radianos,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
-msgstr "%s gradianos"
+msgstr "%s grados"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
-msgstr "gradiano,gradianos,grad"
+msgstr "grado,grados,grd"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Anos Luz"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ano-luz,anos-luz,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unidades Astronómicas"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Milhas Náuticas"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
-msgstr "%s mln"
+msgstr "%s mn"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
-msgstr "mln"
+msgstr "mn"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milhas"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milha,milhas,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilómetros"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilómetro,kilómetros,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cabos"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cabo,cabos,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
-msgstr "Fathoms"
+msgstr "Braças (Fathoms)"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
-msgstr "%s ftm"
+msgstr "%s br/ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
-msgstr "fathom,fathoms,ftm"
+msgstr "braça,braças,br,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metros"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metro,metros,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Jardas"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
-msgstr "%s jd"
+msgstr "%s jd/yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jarda,jardas,jd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Pés"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
-msgstr "%s pé"
+msgstr "%s pé/ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
-msgstr "pé,pés,pé"
+msgstr "pé,pés,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Polegadas"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
-msgstr "%s pl"
+msgstr "%s pol/in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
-msgstr "polegada,polegadas,pl"
+msgstr "polegada,polegadas,pol"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centímetros"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centímetro,centímetros,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milímetros"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milímetro,milímetros,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrómetros"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrómetro,micrómetros,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
-msgstr "Nonometros"
+msgstr "Nonómetros"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometro,nanometros,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectares"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectar,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metros Quadrados"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centímetros Quadrados"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milímetros Quadrados"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metros Cúbicos"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galões"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galão,galões,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litros"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litro,litros,litro,litros,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
-msgstr "Quartilhos"
+msgstr "Quartos (de galão)"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
-msgstr "quartilho,quartilhos,qt"
+msgstr "quarto,quartos,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
-msgstr "Pints"
+msgstr "Quartilhos (Pints)"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
-msgstr "pint,pints,pt"
+msgstr "quartilho,quartilhos,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitros"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitro,mililitros,mililitro,mililitros,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitros"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Toneladas"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonelada,toneladas"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramas"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilograma,kilogramas,kilograma,kilogramas,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Libras"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "libra,libras,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Onças"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "onça,onças,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramas"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "grama,gramas,grama,gramas,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Anos"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s anos"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "ano,anos"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dias"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dias"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dia,dias"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Horas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s horas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hora,horas"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuto,minutos"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Segundos"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "segundo,segundos,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milissegundos"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milissegundo,milissegundos,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microssegundo"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microssegundo,microssegundos,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "grC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "grF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "grR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
-msgstr "Ângulo"
+msgstr "Angulares"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Comprimento"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Área"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Peso"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
-msgstr "Duração"
+msgstr "Tempo"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
-msgstr "Moeda"
+msgstr "Moedas"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/pt_BR.po b/po/pt_BR.po
index 4d15fba..94af051 100644
--- a/po/pt_BR.po
+++ b/po/pt_BR.po
@@ -13,27 +13,29 @@
 # Alberto Federman Neto <[email protected]>, 2018
 # 18ab4449a00621534598e84a949423ea, 2018
 # Samuel Henrique <[email protected]>, 2018
-# Wolfgang Ulbrich <[email protected]>, 2019
 # b36c7cf4cf669a51ae00d04c19629819, 2019
 # George Silva <[email protected]>, 2019
 # Marcelo Ghelman <[email protected]>, 2020
-# Stefano Karapetsas <[email protected]>, 2020
 # Lucas Dias <[email protected]>, 2020
-# LemFre, 2021
+# 808007d4a0e569ece8fbccc32b57c592_b53d1a5, 2021
+# Luciano Luck, 2022
+# Stefano Karapetsas <[email protected]>, 2022
+# Felipe Nogueira <[email protected]>, 2023
+# Wolfgang Ulbrich <[email protected]>, 2024
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: LemFre, 2021\n"
-"Language-Team: Portuguese (Brazil) (https://www.transifex.com/mate/teams/13566/pt_BR/)\n"
+"Last-Translator: Wolfgang Ulbrich <[email protected]>, 2024\n"
+"Language-Team: Portuguese (Brazil) (https://app.transifex.com/mate/teams/13566/pt_BR/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 "Language: pt_BR\n"
-"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+"Plural-Forms: nplurals=3; plural=(n == 0 || n == 1) ? 0 : n != 0 && n % 1000000 == 0 ? 1 : 2;\n"
 
 #. Accessible name for the factorize button
 #: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
@@ -66,7 +68,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memória"
 
@@ -129,7 +131,7 @@ msgstr "constante"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Prazo composto"
 
@@ -230,7 +232,7 @@ msgstr "Cust_o:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valor futuro"
 
@@ -261,7 +263,7 @@ msgstr "Pagamento _periódico:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Margem de lucro bruto"
 
@@ -281,7 +283,7 @@ msgstr "_Margem:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pagamento periódico"
 
@@ -307,7 +309,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valor presente"
 
@@ -324,7 +326,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Taxa de juro periódica"
 
@@ -491,7 +493,7 @@ msgstr "Mlb"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Inserir código de caractere"
 
@@ -541,7 +543,7 @@ msgid "64-bit"
 msgstr "64-bits"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferências"
 
@@ -602,12 +604,12 @@ msgstr ""
 "Environment. Se você quiser saber mais sobre o MATE e o MATE Calc, visite a "
 "página inicial do projeto.."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculadora do MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculadora"
 
@@ -672,7 +674,7 @@ msgstr "Mostrar histórico"
 
 #: data/org.mate.calc.gschema.xml:53
 msgid "Shows all recent calculations"
-msgstr ""
+msgstr "Mostra todos os cálculos recentes"
 
 #: data/org.mate.calc.gschema.xml:57
 msgid "Number format"
@@ -970,12 +972,12 @@ msgstr "Bolívar venezuelano"
 msgid "South African Rand"
 msgstr "Rand sul-africano"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Erro: o número de períodos deve ser positivo"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -986,7 +988,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -1003,7 +1005,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1023,7 +1025,7 @@ msgstr ""
 "  --g-fatal-warnings              Torna todos os avisos fatais"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1033,13 +1035,13 @@ msgstr ""
 "  -s, --solve <equation>           Resolve a equação dada"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "O argumento --solve requer uma equação para ser resolvida"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "O argumento \"%s\" é desconhecido"
@@ -1054,492 +1056,504 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Número de Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Unidade imaginária"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Ponto decimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Modo subscrito [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Modo sobrescrito [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Expoente científico [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Adicionar [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Subtrair [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplicar [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dividir [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Resto da divisão"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Funções adicionais"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Constantes adicionais"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Expoente [^ ou **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Quadrado [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Porcentagem [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Fatorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valor absoluto [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argumento complexo"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Conjugação complexa"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Raíz [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Raíz quadrada [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmo"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritmo natural"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Seno"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosseno"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangente"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Seno hiperbólico"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosseno hiperbólico"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangente hiperbólica"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Seno Inverso"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Coseno Inverso"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Tangente Inversa"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inverso [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "E booleano (AND)"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "OU booleano (OR)"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "OU Exclusivo booleano (XOR)"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NÃO booleano (NOT)"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Porção inteira"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Porção fracionária"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Parte real"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Parte imaginária"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Complemento de um"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Complemento de dois"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Início do grupo [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Fim do grupo [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calcula o resultado"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Fatorar [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Limpar o visor [Tecla Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Desfazer [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Mover para a esquerda [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Mover para a direita [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Depreciação de declínio duplo"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Termo financeiro"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Depreciação da soma dos algarismos dos anos"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Depreciação linear"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binário"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
 msgstr[0] "_%d casas"
 msgstr[1] "_%d casas"
+msgstr[2] "_%d casas"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "%d casas"
 msgstr[1] "%d casas"
+msgstr[2] "%d casas"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Arredondar"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Piso"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Teto"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Sinal"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Velocidade da luz"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Constante magnética"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Constante elétrica"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Constante newtoniana de gravitação"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Constante de Planck"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Custo elementar"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Massa eletron"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Massa Proton"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Constante de Avogadro"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " em "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Mudar unidade de conversão"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Sem histórico para desfazer"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Sem histórico para refazer"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Não há um valor razoável para armazenar"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Estouro de capacidade. Tente um tamanho de palavra maior"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "A variável \"%s\" é desconhecida"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "A função \"%s\" não está definida"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversão desconhecida"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Expressão mal formada no token \"%s\""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Expressão mal formada"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Calculando"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "É necessário um valor inteiro para fatorar"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Não há um valor razoável para alternar bit a bit"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Valor exibido não é um inteiro"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1547,103 +1561,119 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Graus"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianos"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradianos"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automático"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixo"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Científica"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Engenharia"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Mostrar %d _casas decimais"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Não foi possível abrir arquivo de ajuda"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Equipe de Documentação do MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
 "Software Foundation; either version 2 of the License, or (at your option) "
 "any later version."
 msgstr ""
+"A Calculadora MATE é um software livre; você pode redistribuí-lo e/ou\n"
+" modificá-lo sob os termos da GNU General Public License conforme \n"
+"publicada pela Free Software Foundation; seja a versão 2 da Licença ou \n"
+"(a seu critério) qualquer versão posterior."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
 "or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for"
 " more details."
 msgstr ""
+"O MATE Calculator é distribuído na esperança de que seja útil, mas SEM \n"
+"QUALQUER GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou \n"
+"ADEQUAÇÃO A UM DETERMINADO FIM. Veja a Licença Pública Geral GNU para \n"
+"mais detalhes."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
+"Você deve ter recebido uma cópia da GNU General Public License junto com\n"
+" o MATE Calculator; caso contrário, escreva para a Free Software \n"
+"Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA \n"
+"02110-1301, EUA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
+"Calculadora com modos financeiros e científicos.\n"
+"Usando GNU MPFR %s e GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Sobre a MATE Calculadora "
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
+"Copyright © 1986–2010 Os autores do GCalctool\n"
+"Copyright © 2011-2021 desenvolvedores MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Equipe de tradução no Transifex:\n"
@@ -1669,103 +1699,103 @@ msgstr ""
 "vitorgatti https://www.transifex.com/accounts/profile/vitorgatti"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculadora"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modo"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Exibir"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Ajuda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Básica"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avançada"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financeira"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programável"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
-msgstr ""
+msgstr "_História"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "S_umário"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copiar"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "C_olar"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Desfa_zer"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Refazer"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
-msgstr ""
+msgstr "_Limpar histórico"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferências"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Sair"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Sobre"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "O E booleano (AND) é definido apenas para números inteiros positivos"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 "O OU booleano (OR) é definido apenas para números inteiros e positivos"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 "O OU Exclusivo (XOR) booleano é definido apenas para números inteiros "
@@ -1773,13 +1803,13 @@ msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 "O NÃO booleano (NOT) é definido apenas para números inteiros positivos"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "A alternância só é possível para valores inteiros"
 
@@ -1801,13 +1831,13 @@ msgstr "O logaritmo de zero não é definido"
 #. Translators: Error displayed when attempting to take zeroth root
 #: src/mp.c:434
 msgid "The zeroth root of a number is undefined"
-msgstr ""
+msgstr "A raiz zero de um número é indefinida"
 
 #. Translators: Error displayed when attempted take the factorial of a
 #. negative or complex number
 #: src/mp.c:474
 msgid "Factorial is only defined for non-negative real numbers"
-msgstr ""
+msgstr "O fatorial é definido apenas para números reais não negativos"
 
 #. Translators: Error displayed when attemping to do a modulus division on
 #. non-integer numbers
@@ -1826,15 +1856,15 @@ msgstr "A potência de zero é indefinida para um expoente negativo"
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
 msgid "The error function is only defined for real numbers"
-msgstr ""
+msgstr "A função de erro é definida apenas para números reais"
 
 #. Translators: Error displayed when zeta function value is undefined
 #: src/mp.c:632
 msgid "The Riemann zeta function is only defined for real numbers ≠1"
-msgstr ""
+msgstr "A função zeta de Riemann é definida apenas para números reais ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1843,763 +1873,764 @@ msgstr ""
 "partir de π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 "O inverso do seno não é definido para valores fora do intervalo [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 "O inverso do cosseno não é definido para valores fora do intervalo [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
-msgstr ""
+msgstr "A função Arctangente é indefinida para os valores i e -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "O inverso do coseno hiperbólico não é definido para valores inferiores a um"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
+"A tangente hiperbólica inversa é indefinida para valores fora de (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s graus"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grau,graus,grau"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianos"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radiano,radianos,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s radianos"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradiano,gradiano,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsecs"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Anos-luz"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ano-luz,anos-luz,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unidades astronômicas"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Milhas náuticas"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milhas"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milha,milhas,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Quilômetros"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "quilômetro,quilômetros,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cabos"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cabo,cabos,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Braças"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "braça,braças,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metros"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metro,metros,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Jardas"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jarda,jardas,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Pés"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "pé,pés,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Polegadas"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "polegada,polegadas,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centímetro"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centímetro,centímetros,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milímetros"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milímetro,milímetros,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrometro"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometro,micrometros,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanômetros"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanômetro,nanômetros,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectares"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metro quadrada"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centímetro quadrado"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milímetro quadrado"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metros cúbicos"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galões"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galão,galões,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litros"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litro,litros,litro,litros,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quartos"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quarto,quartos,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pintos"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinto,pintos,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Milímetros"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "milímetro,milímetros,milímetro,milímetros,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitros"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Toneladas"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonelada,toneladas"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Quilogramas"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "quilograma,quilogramas,quilo,quilos, kg, kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Libras"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "libra,libras,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Onças"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "onça,onças,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramas"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "grama,gramas,grama,gramas,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Anos"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s anos"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "ano,anos"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dias"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dias"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dia,dias"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Horas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s horas"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hora,horas"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minutos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutos"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuto,minutos"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Segundos"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "segundo,segundos,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milissegundos"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milissegundo,milissegundos,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microssegundos"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsegundo,microsegundos,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "grausC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "grausF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "grausR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Ângulo"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Comprimento"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Área"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volume"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Peso"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Duração"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Moeda"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ro.po b/po/ro.po
index 9c686d1..6563658 100644
--- a/po/ro.po
+++ b/po/ro.po
@@ -4,21 +4,21 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# sidro <[email protected]>, 2018
 # Polihron Alexandru (APoliTech) <[email protected]>, 2018
 # Laurentiu Archip, 2018
-# corneliu.e <[email protected]>, 2018
-# Stefano Karapetsas <[email protected]>, 2020
+# 3d5ab56b1b83fefceeab671c39a98a6d_999ae54, 2018
 # Daniel <[email protected]>, 2020
+# sidro <[email protected]>, 2021
+# Stefano Karapetsas <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Daniel <[email protected]>, 2020\n"
-"Language-Team: Romanian (https://www.transifex.com/mate/teams/13566/ro/)\n"
+"Last-Translator: Stefano Karapetsas <[email protected]>, 2022\n"
+"Language-Team: Romanian (https://app.transifex.com/mate/teams/13566/ro/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -56,7 +56,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memorie"
 
@@ -119,7 +119,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Termen compus"
 
@@ -220,7 +220,7 @@ msgstr "C_ost:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Valoare viitoare"
 
@@ -251,7 +251,7 @@ msgstr "_Plată periodică:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Marjă de profit brut"
 
@@ -271,7 +271,7 @@ msgstr "_Margine:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Plată periodică"
 
@@ -297,7 +297,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Valoare prezentă"
 
@@ -314,7 +314,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Rata de dobândă periodică"
 
@@ -483,7 +483,7 @@ msgstr "Mpb"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Introducere cod caracter"
 
@@ -533,7 +533,7 @@ msgid "64-bit"
 msgstr "64 biți"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferințe"
 
@@ -588,12 +588,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Calculator MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Calculator"
 
@@ -953,12 +953,12 @@ msgstr "Bolivar venezuelan"
 msgid "South African Rand"
 msgstr "Rand sud african"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Eroare: numărul perioadelor trebuie să fie pozitiv"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -969,7 +969,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -986,7 +986,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1006,7 +1006,7 @@ msgstr ""
 "  --g-fatal-warnings              Consideră toate avertismentele fatale"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1016,13 +1016,13 @@ msgstr ""
 "  -s, --solve <ecuație>           Rezolvă ecuația dată"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argumentul --solve necesită o ecuație de rezolvat"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Argument necunoscut „%s”"
@@ -1037,294 +1037,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Numărul lui Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Punct zecimal"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Mod indice [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Mod exponent [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Exponent științific [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Adunare [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Scădere [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Înmulțire [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Împărțire [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Împărțire modulo"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Funcții suplimentare"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponent [^ sau **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Pătrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Procentaj [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Factorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Valoare absolută [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argumentul complexului"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Conjugatul complexului"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Rădăcină [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Rădăcină pătrată [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritm"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Logaritm natural"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangenta"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sinus hiperbolic"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosinus hiperbolic"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tangentă hiperbolică"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inversa sinusului"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inversa cosinusului"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inversa tangentei"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Inversa [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "ȘI logic"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "SAU logic"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "SAU exclusiv logic"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NU logic"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Partea întreagă"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Partea fracționară"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Componenta reală"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Componenta imaginară"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Complement față de 1"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Complement față de 2"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Începutul grupului [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Sfârșitul grupului [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Calculează rezultatul"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Factorizează [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Șterge afișajul [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Anulează [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Deplasează la stânga [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Deplasează la dreapta [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Amortizare dublă în declin"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Termen financiar"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Amortizare prin metoda sumei cifrelor anilor („SOFTY”)"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Amortizare în linie dreaptă"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binar"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Octal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Zecimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexazecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1334,7 +1344,7 @@ msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1343,188 +1353,188 @@ msgstr[1] ""
 msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Rotunjire"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Parte întreagă inferioară"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Parte întreagă superioară"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Semn"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " în "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Schimbare unități de conversie"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Nu există istoric pentru anulări"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Nu există istoric pentru refaceri"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Nu există o valoare validă de stocat"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Depășire. Încercați cu o lungime mai mare a cuvântului"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Variabilă necunoscută „%s”"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funcția „%s” nu este definită"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Conversie necunoscută"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Expresie de formă greșită la simbolul „%s”"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Expresie eronată"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Se calculează"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Este nevoie de un întreg pentru factorizare"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Nu este valoare bună pentru deplasare binară"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Valoarea afișată nu este un întreg"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1532,63 +1542,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grade"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radiani"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradiani"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automat"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fix"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Științific"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingineresc"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Arată %d cifre du_pă virgulă"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Nu s-a putut deschide fișierul de ajutor"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
-msgstr ""
+msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
-msgstr ""
+msgstr "Echipa de documentare MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1596,7 +1606,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1604,142 +1614,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Daniel Alămiță <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Calculator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mod"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vizualizare"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Ajutor"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Standard"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avansat"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financiar"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programare"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Conținut"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copiază"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Lipește"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Anulea_ză"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Refă"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferințe"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Închide"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Despre"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "ȘI logic este definit doar pentru numere naturale pozitive"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "SAU logic este definit doar pentru numere naturale pozitive"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "SAU exclusiv logic este definit doar pentru numere naturale pozitive"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "NU logic este definit doar pentru numere naturale pozitive"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Deplasarea este posibilă doar pentru valori întregi"
 
@@ -1794,7 +1804,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1803,27 +1813,27 @@ msgstr ""
 "de la π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 "Inversa sinusului nu este definită pentru valori în afara intervalului [-1, "
 "1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 "Inversa cosinusului nu este definită pentru valori în afara intervalului "
 "[-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Inversa cosinusului hiperbolic nu este definită pentru valori mai mici decât"
@@ -1831,738 +1841,738 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s grade"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grad,grade,grd"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radiani"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radiani,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradiani"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradiani,gradian"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parseci"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parseci,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Ani lumină"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s al"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "an lumină,ani lumină,al"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Unități astronomice"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ua"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au,ua"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Mile marine"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Mile"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milă,mile,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometeri"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometru,kilometri,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Cabluri"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cablu,cabluri,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Stânjeni"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s stej"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "stânjen,stânjeni,stej"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metri"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metru,metri,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yarzi"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yarzi,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Picioare"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "picior,picioare,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Țoli"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "țol,țoli,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetri"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimetru,centimetri,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetri"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimetru,milimetri,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrometri"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometru,micrometri,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometri"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometru,nanometri,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hectare"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectar,hectare,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Acri"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acri"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acru,acri,ac"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metri pătrați"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centimetri pătrați"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milimetri pătrați"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metri cubi"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galoane"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galon,galoane,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litri"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litru,litri,l"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quart (sferturi de galon)"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarți,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pinte"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pintă,pinte,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitri"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitru, mililitri,ml,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitri"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tone"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonă,tone"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilograme"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograme,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Livre"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "livra,livre,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Uncii"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "uncie,uncii,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grame"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grame,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Ani"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s ani"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "an,ani"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Zile"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s zile"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "zi,zile"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Ore"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ore"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "oră,ore"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minute"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minute"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minut,minute"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Secunde"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "secundă,secunde,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisecunde"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisecundă,milisecunde,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsecunde"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecundă,microsecunde,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "gradC,degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "gradF,degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Unghi"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Lungime"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Arie"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volum"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Greutate"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Durată"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatură"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Monedă"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s%s"
diff --git a/po/ru.po b/po/ru.po
index 25e41a7..de55eb9 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -9,24 +9,27 @@
 # Victor Kukshiev <[email protected]>, 2018
 # monsta <[email protected]>, 2018
 # theirix <[email protected]>, 2018
-# Михаил Ильинский <[email protected]>, 2018
+# Михаил Ильинский (milinsky) <[email protected]>, 2018
 # Oldboy Boyold <[email protected]>, 2018
-# Alexei Sorokin, 2018
+# XRevan86, 2018
 # AlexL <[email protected]>, 2018
-# Alex Putz, 2018
+# Alex Puts, 2018
 # Wolfgang Ulbrich <[email protected]>, 2019
 # Aleksey Kabanov <[email protected]>, 2020
-# Anna Vyalkova <[email protected]>, 2020
-# Stefano Karapetsas <[email protected]>, 2020
+# Cyber Tailor <[email protected]>, 2020
+# Павел Коваленко, 2021
+# Stefano Karapetsas <[email protected]>, 2022
+# Arbo_Leet <[email protected]>, 2022
+# Andrei Stepanov, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Russian (https://www.transifex.com/mate/teams/13566/ru/)\n"
+"Last-Translator: Andrei Stepanov, 2023\n"
+"Language-Team: Russian (https://app.transifex.com/mate/teams/13566/ru/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -64,7 +67,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Память"
 
@@ -127,7 +130,7 @@ msgstr "константа"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Составной период"
 
@@ -228,7 +231,7 @@ msgstr "_Цена:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Будущая стоимость"
 
@@ -258,7 +261,7 @@ msgstr "Период_ическая оплата:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Валовый доход"
 
@@ -278,7 +281,7 @@ msgstr "_Маржа:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Периодическая оплата"
 
@@ -304,7 +307,7 @@ msgstr "_Основной капитал:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Текущее значение"
 
@@ -320,7 +323,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Периодическая процентная ставка"
 
@@ -486,7 +489,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Вставить код символа"
 
@@ -536,7 +539,7 @@ msgid "64-bit"
 msgstr "64 бита"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Параметры"
 
@@ -597,12 +600,12 @@ msgstr ""
 " Если вы хотите узнать больше о MATE и Калькуляторе MATE, пожалуйста, "
 "посетите домашнюю страницу проекта. "
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Калькулятор MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Калькулятор"
 
@@ -664,7 +667,7 @@ msgstr "Показать историю"
 
 #: data/org.mate.calc.gschema.xml:53
 msgid "Shows all recent calculations"
-msgstr ""
+msgstr "Показывает все недавние расчеты"
 
 #: data/org.mate.calc.gschema.xml:57
 msgid "Number format"
@@ -962,12 +965,12 @@ msgstr "Венесуэльский боливар фуэрте"
 msgid "South African Rand"
 msgstr "Южноафриканский рэнд"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Ошибка: количество периодов, должно быть положительным"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -978,7 +981,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -995,7 +998,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1015,7 +1018,7 @@ msgstr ""
 "  --g-fatal-warnings              Сделать все предупреждения фатальными"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1025,13 +1028,13 @@ msgstr ""
 "  -s, --solve <выражение>          Вычислить заданное выражение"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Аргументу --solve требуется выражение  для вычисления"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Неизвестный аргумент «%s»"
@@ -1046,294 +1049,304 @@ msgstr "Число Пи [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Число Эйлера"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Воображаемая единица"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Десятичная точка"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Подстрочный режим [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Надстрочный режим [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Экспоненциальная запись [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Сложить [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Вычесть [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Умножить [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Разделить [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Остаток от деления"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Дополнительные функции"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Дополнительные константы"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Возвести в степень [^ или **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Квадрат [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Процент [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Факториал [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Модуль [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Комплексный аргумент"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Комплексное сопряжение"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Корень [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Квадратный корень [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Логарифм"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Натуральный логарифм"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Синус"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Косинус"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Тангенс"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Гиперболический синус"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Гиперболический косинус"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Гиперболический тангенс"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Инвертировать синус"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Инвертировать косинус"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Инвертировать тангенс"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Инвертировать [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Логическое побитовое И"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Логическое побитовое ИЛИ"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Логическое исключающее ИЛИ"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Логическое побитовое НЕ"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Целая часть"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Дробная часть"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Действительная часть"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Мнимая часть"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Дополнение до единицы"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Дополнение до двух"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Начать блок [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Закончить блок [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Вычислить результат"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Разложить на множители [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Очистить дисплей [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Отменить [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Сдвинуть влево [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Сдвинуть вправо [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Отброс двойного остатка"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Финансовое условие"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Амортизация Сумма-Лет-Цифр"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Линейная амортизация"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Двоичная"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Восьмеричная"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Десятичная"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Шестнадцатиричная"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1344,7 +1357,7 @@ msgstr[3] "_%d разрядов"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1354,188 +1367,188 @@ msgstr[2] "%d разрядов"
 msgstr[3] "%d разрядов"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Округлить"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Округление в большую сторону"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Округление в меньшую сторону"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Знак"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Скорость света"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299 792 458 м/с"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Магнитная постоянная"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1,2566370614×10⁻⁶ Н/А²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Электрическая постоянная"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8,85418782×10⁻¹² с⁴A²/м³кг"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Гравитационная постоянная"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6,67408×10⁻¹¹ м³/(с²кг)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Постоянная Планка"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6,62607004×10⁻³⁴ м²кг/с"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Элементарный электрический заряд"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1,6021766208(98)×10⁻¹⁹ Кл"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Масса электрона"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9,10938356×10⁻³¹ кг"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Масса протона"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1,672621898(21)×10⁻²⁷ кг"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Число Авогадро"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6,02214086×10²³ моль⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " в "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Поменять местами конвертируемые единицы"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Нет истории отмены изменений"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Нет истории отмены изменений"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Отсутствует разумное значение для сохранения"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Переполнение. Попробуйте установить большее значение размера слова"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Неизвестная переменная «%s»"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Функция «%s» не определена"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Неизвестное преобразование"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Некорректное выражение: лексема «%s»"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Некорректное выражение"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Вычисление"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Для разложения на простые множители необходимо целое число"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Отсутствует разумное значение для побитового сдвига"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Значение не является целым числом"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1543,63 +1556,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Градусы"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Радианы"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Грады"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Автоматический"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Фиксированный"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Научный"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Инженерный"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Показывать %d десятичных _разрядов"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Не удалось открыть файл справки"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Команда документирования MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1611,7 +1624,7 @@ msgstr ""
 "License, опубликованной Фондом свободного программного обеспечения; либо "
 "версии 2 этой лицензии, либо (по вашему выбору) любой более поздней версии."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1624,7 +1637,7 @@ msgstr ""
 "ЦЕННОСТИ И ПРИГОДНОСТИ ДЛЯ КОНКРЕТНОЙ ЦЕЛИ. Для получения дополнительных "
 "сведений обратитесь к лицензии GNU General Public License."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1635,24 +1648,28 @@ msgstr ""
 "Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  "
 "02110-1301 USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
+"Калькулятор с финансовым и научным режимами.\n"
+"Использование GNU MPFR %s и GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "О приложении Калькулятор MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
+"Copyright © 1986–2010 Авторы GCalctool\n"
+"Copyright © 2011-2021 Разработчики MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Александр Сапрыкин <[email protected]>\n"
@@ -1688,104 +1705,104 @@ msgstr ""
 "Evolve32 <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Калькулятор"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Режим"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Вид"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
-msgstr "_Помощь"
+msgstr "_Справка"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Простой"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Расширенный"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Финансовый"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "Пр_ограммирование"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
-msgstr ""
+msgstr "_История"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Содержание"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Копировать"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Вст_авить"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Отменить"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Ве_рнуть"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
-msgstr ""
+msgstr "_Очистить историю"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "Н_астройка"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Выход"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Об апплете"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 "Логическое побитовое И определено только для положительных целых чисел"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 "Логическое побитовое ИЛИ определено только для положительных целых чисел"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 "Логическое побитовое исключающее ИЛИ определено только для положительных "
@@ -1793,13 +1810,13 @@ msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 "Логическое побитовое НЕ определено только для положительных целых чисел"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Сдвиг возможен только для целых чисел"
 
@@ -1821,13 +1838,14 @@ msgstr "Логарифм нуля не определён"
 #. Translators: Error displayed when attempting to take zeroth root
 #: src/mp.c:434
 msgid "The zeroth root of a number is undefined"
-msgstr ""
+msgstr "Нулевой корень числа не определен"
 
 #. Translators: Error displayed when attempted take the factorial of a
 #. negative or complex number
 #: src/mp.c:474
 msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
+"Факториал определяется только для неотрицательных действительных чисел"
 
 #. Translators: Error displayed when attemping to do a modulus division on
 #. non-integer numbers
@@ -1848,15 +1866,15 @@ msgstr ""
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
 msgid "The error function is only defined for real numbers"
-msgstr ""
+msgstr "Функция ошибок определена только для действительных чисел."
 
 #. Translators: Error displayed when zeta function value is undefined
 #: src/mp.c:632
 msgid "The Riemann zeta function is only defined for real numbers ≠1"
-msgstr ""
+msgstr "Дзета-функция Римана определена только для действительных чисел ≠ 1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1864,761 +1882,763 @@ msgstr ""
 "Тангенс не определён для углов с периодом π (180°), начиная с π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Обратный синус не определён для значений вне диапазона [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Обратный косинус не определён для значений вне диапазона [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
-msgstr ""
+msgstr "Функция арктангенса не определена для значений i и -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Обратный гиперболический косинус не определён для значений, меньших единицы"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
+"Обратный гиперболический тангенс не определён для значений вне диапазона "
+"(-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s градусов"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "градус, градусы, °"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s радиан"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "радиан, радианы, рад"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s град"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "град, грады, град"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Парсеки"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s пк"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "парсек, парсеки, пк"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Световые годы"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s св. г."
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "световой год, световые годы, св.г."
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Астрономические единицы"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s а. е."
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "а. е."
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Морские мили"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s морских миль"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "морская миля"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "мили"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s миль"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "миля, мили"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "километры"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s км"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "километр, километры, км"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Кабельтовы"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s кабельтовых"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "кабельтов, кабельтовы"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Морские сажени"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s мор. саженей"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "морская сажень, морские сажени"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Метры"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s м"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "метр, метры, м"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Ярды"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s ярдов"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ярд, ярды"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Футы"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s футов"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "фут, футы"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Дюймы"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s дюймов"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "дюйм, дюймы"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Сантиметры"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s см"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "сантиметр, сантиметры, см"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Миллиметры"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s мм"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "миллиметр, миллиметры, мм"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Микрометры"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s мкм"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "микрометр, микрометры, мкм"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Нанометры"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s нм"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "нанометр, нанометры, нм"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Гектары"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s га"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "гектар, гектары, га"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Акры"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s акров"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "акр, акры"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Квадратные метры"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s м²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "м²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Квадратные сантиметры"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s см²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "см²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Квадратные миллиметры"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s мм²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "мм²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Кубические метры"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s м³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "м³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Галлоны"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s галлонов"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "галлон, галлоны"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Литры"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s л"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "литр, литры, л"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Кварты"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s кварт"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "кварта, кварты"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Пинты"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s пинт"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "пинта, пинты"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Миллилитры"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s мл"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "миллилитр, миллилитры, мл, см³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Микролитры"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s мкл"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "мм³, мкл"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Тонны"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s т"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "тонна, тонны"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Килограммы"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s кг"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "килограмм, килограммы, кг"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Фунты"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s фунтов"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "фунт, фунты"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Унции"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s унций"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "унция, унции"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Граммы"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s г"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "грамм, граммы, г"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Годы"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "год, годы"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Дни"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s дней"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "день, дни"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Часы"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s часов"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "час, часы"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Минуты"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s минут"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "минута, минуты"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Секунды"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s с"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "секунда, секунды, с"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Миллисекунды"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s мс"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "миллисекунда, миллисекунды, мс"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Микросекунды"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s мкс"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "микросекунда, микросекунды, мкc"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Цельсий"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "градусы Цельсия, ˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Фаренгейт"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "градусы Фаренгейта, ˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Кельвин"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Ранкин"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "градусы Ранкина, ˚R, ˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Угол"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Длина"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Площадь"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Громкость"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Вес"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Время"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Температура"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Валюта"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/rw.po b/po/rw.po
index b961d6d..824780b 100644
--- a/po/rw.po
+++ b/po/rw.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
-"Language-Team: Kinyarwanda (https://www.transifex.com/mate/teams/13566/rw/)\n"
+"Language-Team: Kinyarwanda (https://app.transifex.com/mate/teams/13566/rw/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Ububiko"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Ibyahisemo"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Cya gihanga"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr ""
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr ""
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr ""
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr ""
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr ""
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/si.po b/po/si.po
index e2e0f4a..e5b4a65 100644
--- a/po/si.po
+++ b/po/si.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Sinhala (https://www.transifex.com/mate/teams/13566/si/)\n"
+"Language-Team: Sinhala (https://app.transifex.com/mate/teams/13566/si/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "මතකය"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "පදය සංයුක්ත කරමින් "
 
@@ -210,7 +210,7 @@ msgstr "වියදම (_o)"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "ඉදිරි අගය"
 
@@ -238,7 +238,7 @@ msgstr "වාරිකය (_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "දළ ලාභ තීරය"
 
@@ -256,7 +256,7 @@ msgstr "_Margin:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "වාරිකය "
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "ප්‍රතිශත අගය "
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "පොලී වාරිකය"
 
@@ -447,7 +447,7 @@ msgstr "මුළු ලාභය"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "අභිප්‍රේත"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ගණකය"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "'%s'අඥාත විස්තාරය"
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "එකතු කිරීම [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "අඩු කිරීම [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "වැඩි කිරීම [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "බෙදීම [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "ප්‍රතිශතය [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "පෙරසේ ඉතිහාසයක් නොමැත "
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "විද්‍යාත්මක"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "උදව් ගොනුව විවෘත කල නොහැක"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "පරිවර්තන ස්තුතිය"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "ගණනය (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "දසුන (_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "උදව් (_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "සාමාන්‍ය (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "උසස් (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "මූල්‍යමය (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "ක්‍රමලේඛණය (_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "අන්තර්ගත (_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "පිටපත් කරන්න (_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "අලවන්න (_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "අහෝසි (_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "යළි කරන්න (_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "අභිප්‍රේත (_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "ඉවත් වන්න (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "සම්බන්ධව (_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "අගල්"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "මිලි මීටර"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "සෙල්සියස්"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "කෙලවින්"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/sk.po b/po/sk.po
index 33ec1ba..8147534 100644
--- a/po/sk.po
+++ b/po/sk.po
@@ -11,16 +11,16 @@
 # Erik Bročko <[email protected]>, 2018
 # Vendelín Slezák <[email protected]>, 2019
 # Ján Ďanovský <[email protected]>, 2020
-# Stefano Karapetsas <[email protected]>, 2020
+# Stefano Karapetsas <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Slovak (https://www.transifex.com/mate/teams/13566/sk/)\n"
+"Last-Translator: Stefano Karapetsas <[email protected]>, 2022\n"
+"Language-Team: Slovak (https://app.transifex.com/mate/teams/13566/sk/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -58,7 +58,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Pamäť"
 
@@ -121,7 +121,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Doba úročenia"
 
@@ -221,7 +221,7 @@ msgstr "_Náklady:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Budúca hodnota"
 
@@ -251,7 +251,7 @@ msgstr "_Pravidelná splátka:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Hrubá marža"
 
@@ -271,7 +271,7 @@ msgstr "_Marža:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Pravidelná spátka"
 
@@ -297,7 +297,7 @@ msgstr "_Pôžička"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Súčasná hodnota"
 
@@ -313,7 +313,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Úroková sadzba za obdobie"
 
@@ -479,7 +479,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Vložiť kód znaku"
 
@@ -529,7 +529,7 @@ msgid "64-bit"
 msgstr "64 bitov"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Nastavenia"
 
@@ -584,12 +584,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE kalkulačka"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulačka"
 
@@ -951,12 +951,12 @@ msgstr "Venezuelský bolívar"
 msgid "South African Rand"
 msgstr "Juhoafrický rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Chyba: počet období musí byť kladný"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -967,7 +967,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -984,7 +984,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1004,7 +1004,7 @@ msgstr ""
 "  --g-fatal-warnings              Všetky varovania budú kritické"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1014,13 +1014,13 @@ msgstr ""
 "  -s, --solve <rovnica>           Vyrieši zadanú rovnicu"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Parameter --solve vyžaduje rovnicu, ktorá sa má vyriešiť"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Neznámy parameter „%s“"
@@ -1035,294 +1035,304 @@ msgstr "Ludolfovo číslo Pí [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Eulerovo číslo"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Desatinná čiarka"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Režim dolného indexu [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Režim horného indexu [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Vedecký exponent [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Sčítanie [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Odčítanie [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Násobenie [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Delenie [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Zvyšok po delení"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Ďalšie funkcie"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Mocnina [^ alebo **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Druhá mocnina [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Percentá [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktoriál [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolútna hodnota [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argument komplexného čísla"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Komplexne združené číslo"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Odmocnina [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Druhá odmocnina [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmus"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Prirodzený logaritmus"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sínus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosínus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangens"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolický sínus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolický kosínus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolický tangens"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inverzný sínus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inverzný kosínus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inverzný tangens"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Prevrátená hodnota [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Logický súčin AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Logický súčet OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Exkluzívny logický súčet XOR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Logická negácia NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Celočíselná časť"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Desatinná časť"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Reálna časť"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginárna časť"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Jednotkový doplnok"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Dvojkový doplnok"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Začiatok skupiny [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Koniec skupiny [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Vypočítať výsledok"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktorizovať [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Zmazať displej [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Späť [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Posun vľavo [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Posun vpravo [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Dvojitá odpisová metóda s klesajúcim zostatkom (DDB)"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Finančné obdobie"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Amortizácia po súčtoch číslic rokov"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Lineárna amortizácia"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "dvojkovú"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "osmičkovú"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "desiatkovú"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "šesťnástkovú"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1333,7 +1343,7 @@ msgstr[3] "_%d miest"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1343,188 +1353,188 @@ msgstr[2] "%d miest"
 msgstr[3] "%d miest"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Zaokrúhlenie"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Dolná celočíselná časť"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Horná celočíselná časť"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Znamienko"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " na "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Vymeniť jednotky prevodu"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Žiadna história spätných zmien"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Žiadna história dopredných zmien"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Nie je rozumná hodnota na uloženie"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Pretečenie. Skúste väčšiu veľkosť slova"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Neznáma premenná „%s“"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funkcia „%s“ nie je definovaná"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Neznámy prevod"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Chybný výraz v symbole „%s“"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Nesprávny výraz"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Počítanie"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Pre rozklad na súčin prvočísel je potrebné celé číslo"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Nezmyselná hodnota pre bitový posun"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Zobrazená hodnota nie je celé číslo"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1532,63 +1542,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Stupne"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radiány"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradiány"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automaticky"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fixný"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Vedecký"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Inžiniersky"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Zobraziť %d _desatinných miest"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Nepodarilo sa otvoriť súbor pomocníka"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE Dokumentačný projekt"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1596,7 +1606,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1604,31 +1614,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Stanislav Višňovský\n"
@@ -1638,113 +1648,113 @@ msgstr ""
 "Ján Ďanovský <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulačka"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Režim"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Zobraziť"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Nápoveda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Základný"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Rozšírený"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finančný"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programátorský"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Pomocník"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopírovať"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Vložiť"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Vrátiť"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Znova vykonať"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Nastavenia"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Ukončiť"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "O progr_ame"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Logický súčin AND je definovaný len pre kladné celé čísla"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Logický súčet OR je definovaný len pre kladné celé čísla"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Exkluzívny logický súčet XOR je definovaný len pre kladné celé čísla"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Logická negácia NOT je definovaná len pre kladné celé čísla"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Posun je možný len pri celočíselných hodnotách"
 
@@ -1799,7 +1809,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1807,761 +1817,761 @@ msgstr ""
 "Tangens nie je definovaný pre uhly, ktoré sú násobkami π (180°) od π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inverzný sínus nie je definovaný pre hodnoty mimo interval [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Inverzný kosínus nie je definovaný pre hodnoty mimo interval [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Inverzný hyperbolický kosínus nie je definovaný pre hodnoty menšie ako jedna"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s stupňov"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "stupeň,stupne,stupňov,deg,°"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radiánov"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radián,radiány,radiánov,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradiánov"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradián,gradiány,gradiánov,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parseky"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsek,parseky,parsekov,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Svetelné roky"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "svetelný rok,svetelné roky,svetelných rokov,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomické jednotky"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Námorné míle"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s NM"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "NM"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Míle"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "míľa,míle,miľ,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometre"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometre,kilometrov,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Káble"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kábel,káble,káblov,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Siahy"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "siaha,siahy,siah,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metre"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,metre,metrov,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yardy"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yardy,yardov,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Stopy"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "stopa,stopy,stôp,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Palce"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "palec,palce,palcov,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetre"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimetre,centimetrov,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetre"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimeter,milimetre,milimetrov,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometre"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometer,mikrometre,mikrometrov,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometre"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometre,nanometrov,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektáre"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektár,hektáre,hektárov,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Akre"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s akrov"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "aker,akre,akrov"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Štvorcové metre"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Štvorcové centimetre"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Štvorcové milimetre"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubické metre"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galóny"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galón,galóny,galónov,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litre"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liter,litre,litrov,l"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Kvarty"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kvart,kvarty,kvartov,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pinty"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pinty,pínt,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitre"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililiter,mililitre,mililitrov,ml,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikrolitre"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μl"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μl,ul"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tony"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tona,tony,ton,t"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramy"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilogramy,kilogramov,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Libry"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "libra,libry,libier,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Unce"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "unca,unce,uncí"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramy"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,gramy,gramov,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Roky"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s rokov"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "rok,roky,rokov"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dni"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dní"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "deň,dni,dní"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Hodiny"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hodín"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hodina,hodiny,hodín"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minúty"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minút"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minúta,minúty,minút"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekundy"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekunda,sekundy,sekúnd"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisekundy"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisekunda,milisekundy,milisekúnd,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekundy"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekunda,mikrosekundy,mikrosekúnd,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "stupne Celzia"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Stupne Farenheita"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelviny"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Stupne Rankina"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Uhol"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Dĺžka"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Plocha"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Hlasitosť"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Hmotnosť"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Čas"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Teplota"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Mena"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/sl.po b/po/sl.po
index 2d81c1f..6869644 100644
--- a/po/sl.po
+++ b/po/sl.po
@@ -9,16 +9,17 @@
 # Arnold Marko <[email protected]>, 2020
 # Helena S <[email protected]>, 2020
 # Stefano Karapetsas <[email protected]>, 2020
-# Damir Jerovšek <[email protected]>, 2020
+# Martin Srebotnjak <[email protected]>, 2021
+# Damir Jerovšek <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Damir Jerovšek <[email protected]>, 2020\n"
-"Language-Team: Slovenian (https://www.transifex.com/mate/teams/13566/sl/)\n"
+"Last-Translator: Damir Jerovšek <[email protected]>, 2022\n"
+"Language-Team: Slovenian (https://app.transifex.com/mate/teams/13566/sl/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -56,7 +57,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Pomnilnik"
 
@@ -115,11 +116,11 @@ msgstr "Podpisano"
 
 #: src/buttons-advanced.ui:966
 msgid "const"
-msgstr ""
+msgstr "konst"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Sestavljanje izraza"
 
@@ -220,7 +221,7 @@ msgstr "Str_oški:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Prihodnja vrednost"
 
@@ -250,7 +251,7 @@ msgstr "_Obročno plačevanje:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Dobičkonosnost prodaje"
 
@@ -270,7 +271,7 @@ msgstr "_Marža:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Obročno plačevanje"
 
@@ -296,7 +297,7 @@ msgstr "_Glavnica:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Sedanja vrednost"
 
@@ -313,7 +314,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Obročna obrestna mera"
 
@@ -479,7 +480,7 @@ msgstr "Dobičkonosnost"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Vstavi znakovno kodo"
 
@@ -529,7 +530,7 @@ msgid "64-bit"
 msgstr "64 bitni"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Možnosti"
 
@@ -586,13 +587,16 @@ msgid ""
 "If you would like to know more about MATE and MATE Calc, please visit the "
 "project's home page."
 msgstr ""
+"Kalkulator MATE je priredba programa Kalkulator GNOME in je del namiznega "
+"okolja MATE. Če želite izvedeti več o MATE in Kalkulatorju MATE, obiščite "
+"domačo stran projekta."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Računalo MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Računalo"
 
@@ -605,6 +609,7 @@ msgstr "Izvajanje aritmetičnih, znanstvenih ali finančnih izračunov"
 #: data/mate-calc.desktop.in:13
 msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
 msgstr ""
+"kalkulator;MATE;znanstveni;aritmetični;finančni;računi;računanje;izračuni;"
 
 #: data/org.mate.calc.gschema.xml:25
 msgid "Accuracy value"
@@ -656,7 +661,7 @@ msgstr "Pokaži zgodovino"
 
 #: data/org.mate.calc.gschema.xml:53
 msgid "Shows all recent calculations"
-msgstr ""
+msgstr "Pokaže vse nedavne izračune"
 
 #: data/org.mate.calc.gschema.xml:57
 msgid "Number format"
@@ -954,12 +959,12 @@ msgstr "venezuelski bolívar"
 msgid "South African Rand"
 msgstr "južnoafriški rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Napaka: število obdobij mora biti določeno s pozitivno vrednostjo"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -970,7 +975,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -987,7 +992,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1007,7 +1012,7 @@ msgstr ""
 "  --g-fatal-warnings Določi vsa opozorila kot ključna"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1017,13 +1022,13 @@ msgstr ""
 "  -s, --solve <equation> Reši podano enačbo"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument --solve zahteva tudi zapis enačbe"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Neznan argument '%s'"
@@ -1038,496 +1043,506 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Eulerjevo število"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Decimalna vejica"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Podpisani način števil [Alt+številka]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Nadpisani način števil [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Znanstvena potenca [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Prištej [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Odštej [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Pomnoži [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Deli [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Ostanek pri deljenju"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Dodatne funkcije"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
-msgstr ""
+msgstr "Dodatne konstante"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Potenca [^ ali **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kvadrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Odstotek [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Fakulteta [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolutna vrednost [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Argument kompleksnega števila"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Kompleksni konjugat"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Koren [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Kvadratni koren [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritem"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Naravni logaritem"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangenta"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hiperbolični sinus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hiperbolični kosinus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hiperbolični tangens"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Obratni sinus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Obratni kosinus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Obratni tangens"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Obrni [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Logični AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Logični OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Posebni logični OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Logični NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Celoštevilčna enota"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Enota ulomka"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Realna enota"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Navidezna enota"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Eniški komplement"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Dvojiški komplement"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Začetek skupine [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Konec skupine [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Izračunaj rezultat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Fakulteta [Ctrl+I]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Počisti zaslon [Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Povrni [Ctrl+I]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Premakni levo [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Premakni desno [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Dvojno znižanje vrednosti"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Finančni izraz"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Znižanje vsote vseh letnic"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Znižanje ocene ravne črte"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Dvojiške"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Osmiške"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimalne"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Šestnajstiške"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
-msgstr[0] ""
-msgstr[1] ""
-msgstr[2] ""
-msgstr[3] ""
+msgstr[0] "_%d mesto"
+msgstr[1] "_%d mesti"
+msgstr[2] "_%d mesta"
+msgstr[3] "_%d mest"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
-msgstr[0] ""
-msgstr[1] ""
-msgstr[2] ""
-msgstr[3] ""
+msgstr[0] "%d mesto"
+msgstr[1] "%d mesti"
+msgstr[2] "%d mesta"
+msgstr[3] "%d mest"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Najbližje celo število števila x"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Največje celo število, ki je manjše od števila x"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Najmanjše celo število, ki ni manjše od števila x"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Predznak števila x"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
-msgstr ""
+msgstr "Svetlobna hitrost"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
-msgstr ""
+msgstr "299.792.458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
-msgstr ""
+msgstr "Indukcijska konstanta"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
-msgstr ""
+msgstr "1,2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
-msgstr ""
+msgstr "Influenčna konstanta"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
-msgstr ""
+msgstr "8,85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
-msgstr ""
+msgstr "Splošna gravitacijska konstanta"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
-msgstr ""
+msgstr "6,67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
-msgstr ""
+msgstr "Planckova konstanta"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
-msgstr ""
+msgstr "6,62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
-msgstr ""
+msgstr "Osnovni naboj"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
-msgstr ""
+msgstr "1,6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
-msgstr ""
+msgstr "Masa elektrona"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
-msgstr ""
+msgstr "9,10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
-msgstr ""
+msgstr "Masa protona"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
-msgstr ""
+msgstr "1,672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
-msgstr ""
+msgstr "Avogadrova konstanta"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
-msgstr ""
+msgstr "6,02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " v "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Preklopi enote pretvarjanja"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Ni zgodovine razveljavitev"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Ni zgodovine razveljavitve"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Ni razumne vrednosti za shranjevanje"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Prekoračitev. Poskusite z večjo besedo"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Neznana spremenljivka '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funkcija '%s' ni določena"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Neznana pretvorba"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Nepravilno oblikovan izraz pri žetonu '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Napačen izraz"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Preračunavanje"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Za faktorizacijo je zahtevana celoštevilčna vrednost"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Ni razumne vrednosti za premestitev bitov"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Prikazana vrednost ni celoštevilska vrednost"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1535,214 +1550,229 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Stopinje"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radiani"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradiani"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Samodejno"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Določeno"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Znanstveni"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Inženirstvo"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Pokaži %d decimalnih _mest"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Datoteke pomoči ni mogoče odpreti"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE skupina za dokumente"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
 "Software Foundation; either version 2 of the License, or (at your option) "
 "any later version."
 msgstr ""
+"Kalkulator MATE je prosta programska oprema; lahko jo izmenjujete in "
+"spreminjate pod pogoji GNU Splošnega javnega dovoljenja, kot ga izdaja Free "
+"Software Foundation; različica 2 ali kasnejše različice."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
 "or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for"
 " more details."
 msgstr ""
+"Kalkulator MATE se razširja v upanju, da bo uporaben, vendar BREZ VSAKRŠNEGA"
+" JAMSTVA; tudi brez posredne zagotovitve CENOVNE VREDNOSTI ali PRIMERNOSTI "
+"ZA DOLOČEN NAMEN.  Za podrobnosti glejte besedilo GNU General Public "
+"License."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
+"Skupaj s programom MATE Calculator bi morali prejeti kopijo Splošnega "
+"javnega dovoljenja GNU. V primeru, da je niste, pišite na Free Software "
+"Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, "
+"ZDA (USA)."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
+"Kalkulator s finančnim in znanstvenim načinom.\n"
+"Uporablja GNU MPFR %s in GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "O Računalo MATE"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
+"Avtorske pravice © 1986–2010 Avtorji programa GCalctool\n"
+"Avtorske pravice © 2011–2021 Razvijalci okolja MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "zasluge-prevajalcev"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Način"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Pogled"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Pomoč"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Osnovni"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Napredni"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finančni"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programiranje"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
-msgstr ""
+msgstr "_Zgodovina"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Vsebina"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopiraj"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Prilepi"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Razveljavi"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Uveljavi"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
-msgstr ""
+msgstr "Po_čisti zgodovino"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Možnosti"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Končaj"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_O programu"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Logični AND je določen le za pozitivna cela števila"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Logični OR je določen le za pozitivna cela števila"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Logični XOR je določen le za pozitivna cela števila"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Logični NOT je določen le za pozitivna cela števila"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Zamik je mogoč le pri celoštevilčnih vrednostih"
 
@@ -1764,13 +1794,13 @@ msgstr "Logaritem vrednosti nič ni določen"
 #. Translators: Error displayed when attempting to take zeroth root
 #: src/mp.c:434
 msgid "The zeroth root of a number is undefined"
-msgstr ""
+msgstr "Ničelni koren števila ni določen"
 
 #. Translators: Error displayed when attempted take the factorial of a
 #. negative or complex number
 #: src/mp.c:474
 msgid "Factorial is only defined for non-negative real numbers"
-msgstr ""
+msgstr "Fakulteta je določena le za ne negativna realna števila"
 
 #. Translators: Error displayed when attemping to do a modulus division on
 #. non-integer numbers
@@ -1789,15 +1819,15 @@ msgstr "Potenciranje vrednosti nič ni določeno za negativne potence"
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
 msgid "The error function is only defined for real numbers"
-msgstr ""
+msgstr "Funkcija napake je določena le za realna števila"
 
 #. Translators: Error displayed when zeta function value is undefined
 #: src/mp.c:632
 msgid "The Riemann zeta function is only defined for real numbers ≠1"
-msgstr ""
+msgstr "Funkcija zeta (Riemann) je definirana samo za realna števila ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1805,760 +1835,761 @@ msgstr ""
 "Tangenta ni določena za kote, ki so večkratniki n (180°) od π∕2 (90°) naprej"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Obratni sinus ni določen za vrednosti izven območja [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Obratni kosinus ni določen za vrednosti izven območja [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
-msgstr ""
+msgstr "Funkcija arkus tangens ni definirana za vrednosti i in -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "Obratni hiperbolični kosinus ni določen za vrednosti, manjše od ena"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
+"Inverzni hiperbolični tangens ni določen za vrednosti izven obsega (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s stopinj"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "stopinja, stopinje, sto"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianov"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian, radiani, rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradianov"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian, gradiani, grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "parseki"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsek, parseki, pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Svetlobna leta"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s slet"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "svetlobno leto, svetlobnih let,sl"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomske enote"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ae"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ae"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Nautične milje"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "milje"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milja,milje,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "kilometri"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometri, km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "kabli"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabel,kabli,kb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "seženj"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s sžn"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "seženj,sežnji,sžn"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "metri"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,metri,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "jardi"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jard,jardi,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "čevlji"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "čevelj,čevlji,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "palci"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s \""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "palec, palcev, cola, col"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "centimetri"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimetri,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "milimetri"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimeter,milimetri,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "mikrometri"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometer,mikrometri,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "nanometri"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometri,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "hektari"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektar,hektarji,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "akri"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s akrov"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "aker,akri"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "kvadratni metri"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "kvadratni centimetri"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "kvadratni milimetri"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "kubični meter"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "galona"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galona,galone,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litri"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liter,litri,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "kvart"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kvart,kvarti,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "pinte"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pinte,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "mililitri"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililiter,mililitri,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "mikrolitri"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³, μL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "tone"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tona,tone"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "kilogrami"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram, kilogrami,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "funti"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "funt,funti,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "unče"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s unč"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "unča,unče,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "grami"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grami,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "leta"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s let"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "leto,leta"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "dnevi"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dni"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dan,dnevi"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ure"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ur"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ura,ure"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "minute"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minut"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minuta, minute"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "sekunde"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekunda, sekunde, s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "milisekunde"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisekunda, milisekunde, ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "mikrosekunde"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekunda, mikrosekunde, μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celzij"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "stopinj C, ˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenheitova lestvica"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "stopinj F, ˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankinova lestvica"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "stopinj R, ˚R"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Kot"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Dolžina"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Območje"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Glasnost"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Teža"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Trajanje"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/sq.po b/po/sq.po
index 1e3ae80..c1f3a7e 100644
--- a/po/sq.po
+++ b/po/sq.po
@@ -11,12 +11,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Albanian (https://www.transifex.com/mate/teams/13566/sq/)\n"
+"Language-Team: Albanian (https://app.transifex.com/mate/teams/13566/sq/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -54,7 +54,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memoria"
 
@@ -117,7 +117,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -213,7 +213,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Vlera  Ardhshme"
 
@@ -241,7 +241,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -259,7 +259,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -283,7 +283,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -297,7 +297,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -450,7 +450,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -500,7 +500,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Parapëlqimet"
 
@@ -555,12 +555,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Llogaritës"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Makinë llogaritëse"
 
@@ -920,12 +920,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -934,7 +934,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -946,7 +946,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -959,7 +959,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -967,13 +967,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -988,294 +988,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Numri i Eulerit"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Mbledhje [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Zbritje [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Shumëzim [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Pjestim [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Përqindja [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritmi"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangjent"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Llogarit rezultatin"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binarë"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktav"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1284,7 +1294,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1292,188 +1302,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Asnjë kronollogji anullimesh"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Asnjë vlerë e dobishme për t'u regjistruar"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Shprehje e keqformuar"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Duke llogaritur"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1481,63 +1491,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Gradë"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Shkencor"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "E pamundur hapja e file të ndihmës"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1545,7 +1555,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1553,31 +1563,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Elian Myftiu <[email protected]>\n"
@@ -1585,113 +1595,113 @@ msgstr ""
 "Laurent Dhima <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulator (llogaritës)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Modaliteti"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Shfaq"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Ndihmë"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Bazë"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Përparuar"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Financor"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Përmbajtja"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopjo"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Ngjite"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Anullo"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Përsërit"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferenca"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Dalja"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Rreth"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1746,767 +1756,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s gradë"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Vite dritë"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milje"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometra"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metra"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metër,metra,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inch"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetra"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetra"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimetër,milimetra,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litra"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Vite"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s vite"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "vit,vite"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Ditë"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ditë"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Orë"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s orë"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minuta"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minuta"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekonda"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekondë,sekonda,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Kënd"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Gjatësi"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Vëllim"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Peshë"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Kohëzgjatje"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperaturë"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valutë"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/sr.po b/po/sr.po
index 544ecc8..6118788 100644
--- a/po/sr.po
+++ b/po/sr.po
@@ -5,16 +5,16 @@
 # 
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2020
-# Мирослав Николић <[email protected]>, 2021
+# Мирослав Николић <[email protected]>, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Мирослав Николић <[email protected]>, 2021\n"
-"Language-Team: Serbian (https://www.transifex.com/mate/teams/13566/sr/)\n"
+"Last-Translator: Мирослав Николић <[email protected]>, 2023\n"
+"Language-Team: Serbian (https://app.transifex.com/mate/teams/13566/sr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Оперативна меморија"
 
@@ -115,7 +115,7 @@ msgstr "конст"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Чинилац састава"
 
@@ -216,7 +216,7 @@ msgstr "_Цена:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Будућа вредност"
 
@@ -246,7 +246,7 @@ msgstr "_Периодично плаћање:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Бруто маржа"
 
@@ -266,7 +266,7 @@ msgstr "_Маржа:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Периодично плаћање"
 
@@ -292,7 +292,7 @@ msgstr "_Основа:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Тренутна вредност"
 
@@ -308,7 +308,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Периодична каматна стопа"
 
@@ -474,7 +474,7 @@ msgstr "Брума"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Убаците код знака"
 
@@ -524,7 +524,7 @@ msgid "64-bit"
 msgstr "64 бита"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Поставке"
 
@@ -585,12 +585,12 @@ msgstr ""
 "површи. Ако желите да сазнате више о Мејту и Мејтовом дигитрону, посетите "
 "матичну страницу пројекта."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "Мејтов дигитрон"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Дигитрон"
 
@@ -952,12 +952,12 @@ msgstr "Венецуелански боливар"
 msgid "South African Rand"
 msgstr "Јужноафрички ранд"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Грешка: број периода мора бити позитиван"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -968,7 +968,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -985,7 +985,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1005,7 +1005,7 @@ msgstr ""
 "  --g-fatal-warnings              Чини сва упозорења кобним"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1015,13 +1015,13 @@ msgstr ""
 "  -s, --solve <equation>          Решава задату једначину"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Аргумент „--solve“ захтева једначину за решавање"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Непознат аргумент „%s“"
@@ -1036,294 +1036,304 @@ msgstr "Пи [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Ојлеров број"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Имагинарна јединица"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Децимални зарез"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Режим индекса [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Режим изложиоца [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Научни степен [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Саберите [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Одузмите [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Помножите [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Поделите [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Дељење по модулу"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Додатне функције"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Додатне константе"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Експонент [^ или **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Квадрат [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Проценат [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Факторијел [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Апсолутна вредност [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Комплексни аргумент"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Конјуговано комплексна вредност"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Корен [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Квадратни корен [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Логаритам"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Природни логаритам"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Синус"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Косинус"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Тангенс"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Хиперболични синус"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Хиперболични косинус"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Хиперболични тангенс"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Инверзни синус"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Инверзни косинус"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Инверзни тангенс"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Реципрочност [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Логичко И"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Логичко ИЛИ"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Логичко ИЛЛИ"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Логичко НЕ"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Целобројни део"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Разломљени део"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Реални део"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Имагинарни део"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Комплемент јединице"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Комплемент двојке"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Отворите заграду [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Затворите заграду [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Израчунајте резултат"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Факторишите [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Очистите екран [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Опозовите претходну радњу [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Помакните лево [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Помакните десно [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Умањење двоструким опадањем"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Финансијски израз"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Умањење збиром цифара године"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Праволинијско умањење"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Бинарна"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Октална"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Децимална"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Хексадецимална"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1333,7 +1343,7 @@ msgstr[2] "_%d места"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1342,188 +1352,188 @@ msgstr[1] "%d места"
 msgstr[2] "%d места"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Заокружи"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Заокружи на доле"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Заокружи на горе"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Знак"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Брзина светлости"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299.792.458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Магнетна константа"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1,2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Електрична константа"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8,85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Њутнова гравитациона константа"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6,67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Планкова константа"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6,62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Елементарно наелектрисање"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1,6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Маса електрона"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9,10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Маса протона"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1,672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Авогадрова константа"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6,02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " у "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Промените јединице претварања"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Нема радњи опозивања"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Нема радњи враћања"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Нема разумне вредности за чување"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Прекорачење. Покушајте са већом дужином речи"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Непозната променљива „%s“"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Функција „%s“ није одређена"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Непознато претварање"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Неисправан израз на „%s“"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Неисправан израз"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Израчунавам"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "За факторисање је потребан цео број"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Нема разумне вредности за битско померање"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Приказана вредност није цео број"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1531,63 +1541,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Степени"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Радијани"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Градијани"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Аутоматски"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Фиксни"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Научни"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Инжењерски"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "_Прикажи %d децимална места"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Не могу да отворим датотеку помоћи"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Сан Микросистеми"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Тим документације Гнома"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1599,7 +1609,7 @@ msgstr ""
 "софтвера; било верзије 2 лиценце или (по вашем избору) било које новије "
 "верзије."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1611,7 +1621,7 @@ msgstr ""
 "ПРИЛАГОЂЕНОСТИ ОДРЕЂЕНОЈ НАМЕНИ.  Погледајте Гнуову Општу јавну лиценцу за "
 "више детаља."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1622,7 +1632,7 @@ msgstr ""
 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 "
 "USA“."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1631,11 +1641,11 @@ msgstr ""
 "Дигитрон са финансијским и научним режимом рада.\n"
 "Користи „GNU MPFR %s“ и „GNU MPC %s“"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "О Мејтовом дигитрону"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1643,118 +1653,118 @@ msgstr ""
 "Ауторска права © 1986–2010 Аутори Гдигиталата\n"
 "Ауторска права © 2011-2021 Програмери Мејта"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Мирослав Николић <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Дигитрон"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Режим"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Преглед"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "По_моћ"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Основни"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Напредни"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Финансијски"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Програмерски"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Историјат"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Садржаји"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Умножи"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "У_баци"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Опо_зови"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Понови"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "Очисти _историјат"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Поставке"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Изађи"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_О програму"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Логичко И је дефинисано само за позитивне целе бројеве"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Логичко ИЛИ је дефинисано само за позитивне целе бројеве"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Логичко ИЛЛИ је дефинисано само за позитивне целе бројеве"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Логичко НЕ је дефинисано само за позитивне целе бројеве"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Померање је могуће само за позитивне целе вредности"
 
@@ -1809,7 +1819,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "Рајманова зета функција је дефинисана само за реалне бројеве ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1818,762 +1828,762 @@ msgstr ""
 "π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Инверзни синус није дефинисан за вредности изван [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Инверзни косинус није дефинисан за вредности изван [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "Арктангенс функција није дефинисана за вредности i и -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Инверзни хиперболички косинус није дефинисан за вредности мање од један"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 "Инверзни хиперболички тангенс није дефинисан за вредности ван скупа (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s степени"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "степен,степена,степени,ст"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s радијана"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "радијан,радијана,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s градијана"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "градијан,градијана,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Парсеци"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "парсек,парсека,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Светлосне године"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s сг"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "светлоснагодина,светлоснегодине,светлоснихгодина,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Астрономске јединице"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ај"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ај"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Наутичке миље"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s нми"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "нми"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Миље"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s ми"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "миља,миље,миља,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Километри"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "километар,километра,километара,км,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Каблови"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "кабал,кабла,каблова,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Хвати"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "хват,хвата,хватова,хв,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Метри"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "метар,метра,метара,м,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Јарди"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "јард,јарда,јарди,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Стопе"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "стопа,стопе,стопа,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Инчи"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "инч,инча,ин,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Центиметри"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "центиметар,центиметра,центиметара,цм,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Милиметри"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "милиметар,милиметра,милиметара,мм,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Микрометри"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "микрометар,микрометра,микрометара,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Нанометри"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "нанометар,нанометра,нанометара,нм,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Хектари"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "хектар,хектара, ха,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Акри"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s акра"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "акр,акра"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Квадратни метри"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Квадратни центиметри"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Квадратни милиметри"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Кубни метри"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Галони"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "галон,галона,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Литри"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "литар,литра,литара,Л,l"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Кварти"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "кварт,кварта,квартова,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Пинте"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "пинта,пинте,пинти,пт,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Милилитри"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "милилитар,милилитра,милилитара,мл,ml,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Микролитри"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μl"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μl,ul"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Тоне"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "тона,тоне,т,t"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Килограми"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "килограм,килограма,кг,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Фунте"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "фунта,фунте,фунти,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Унце"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "унца,unce,унци,оз,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Грами"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "грам,грама,г,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Године"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s год."
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "година,године,година"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Дани"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s дана"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "дан,дана"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Сати"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s сати"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "сат,сата,сати"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Минути"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s мин."
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "минут,минута"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Секунде"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "секунда,секунде,секунди,с,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Милисекунде"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "милисекунда,милисекунде,милисенди,мс,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Микросекунде"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "микросекундa,микросекунде,микросекунди,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Целзијуси"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "степЦ,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Фаренхајти"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "степФ,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Келвини"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Ранкини"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "степР,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Угао"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Дужина"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Површина"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Јачина звука"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Тежина"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Време"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Температура"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Валута"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/[email protected] b/po/[email protected]
index e7d23e4..4764803 100644
--- a/po/[email protected]
+++ b/po/[email protected]
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Serbian (Latin) (https://www.transifex.com/mate/teams/13566/sr@latin/)\n"
+"Language-Team: Serbian (Latin) (https://app.transifex.com/mate/teams/13566/sr@latin/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memorija"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Činilac sastava"
 
@@ -216,7 +216,7 @@ msgstr "_Cena:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Buduća vrednost"
 
@@ -246,7 +246,7 @@ msgstr "_Periodično plaćanje:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Bruto marža"
 
@@ -266,7 +266,7 @@ msgstr "_Marža:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodično plaćanje"
 
@@ -292,7 +292,7 @@ msgstr "_Osnova:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Trenutna vrednost"
 
@@ -308,7 +308,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodična kamatna stopa"
 
@@ -474,7 +474,7 @@ msgstr "BM"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Ubaci kod znaka"
 
@@ -524,7 +524,7 @@ msgid "64-bit"
 msgstr "64 bita"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Postavke"
 
@@ -579,12 +579,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulator"
 
@@ -946,12 +946,12 @@ msgstr "Venecuelanski bolivar"
 msgid "South African Rand"
 msgstr "Južnoafrički rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Greška: broj perioda mora biti pozitivan"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -962,7 +962,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -979,7 +979,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -999,7 +999,7 @@ msgstr ""
 "  --g-fatal-warnings              Čini sva upozorenja kobnim"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1009,13 +1009,13 @@ msgstr ""
 "  -s, --solve <equation>          Rešava zadatu jednačinu"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argument „--solve“ zahteva jednačinu za rešavanje"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Nepoznat argument „%s“"
@@ -1030,294 +1030,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Ojlerov broj"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Režim indeksa [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Režim eksponenta [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Naučni eksponent [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Saberite [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Oduzmite [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Pomnožite [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Podelite [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Deljenje po modulu"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Dodatne funkcije"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Eksponent [^ ili **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kvadrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Procenat [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktorijel [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Apsolutna vrednost [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Kompleksni argument"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Konjugovano kompleksna vrednost"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Koren [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Kvadratni koren [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritam"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Prirodni logaritam"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangens"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hiperbolični sinus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hiperbolični kosinus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hiperbolični tangens"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Recipročnost [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Logičko I"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Logičko ILI"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Logičko ILLI"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Logičko NE"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Celobrojni deo"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Razlomljeni deo"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Realni deo"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginarni deo"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Komplement jedinice"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Komplement dvojke"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Otvorite zagradu [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Zatvorite zagradu [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Izračunajte rezultat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktorišite [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Očistite ekran [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Opozovite prethodnu radnju [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Umanjenje dvostrukim opadanjem"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Finansijski izraz"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Umanjenje zbirom cifara godine"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Pravolinijsko umanjenje"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binarno"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktalno"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimalno"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Heksadecimalno"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1327,7 +1337,7 @@ msgstr[2] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1336,188 +1346,188 @@ msgstr[1] ""
 msgstr[2] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Zaokruži"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Zaokruži na dole"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Zaokruži na gore"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Znak"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " u "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Promenite jedinice pretvaranja"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Nema radnji opozivanja"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Nema radnji ponavljanja"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Nema razumne vrednosti za čuvanje"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Prekoračenje. Pokušajte sa većom dužinom reči"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Nepoznata promenljiva „%s“"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funkcija „%s“ nije definisana"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Nepoznato pretvaranje"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Neispravan izraz na simbolu „%s“"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Neispravan izraz"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Izračunavam"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Za faktorisanje je potreban ceo broj"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Nema razumne vrednosti za bitsko pomeranje"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Prikazana vrednost nije ceo broj"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1525,63 +1535,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Stepeni"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radijani"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gradijani"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatski"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fiksni"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Naučni"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Inženjerski"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "_Prikaži %d decimalna mesta"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Ne mogu da otvorim datoteku pomoći"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1589,7 +1599,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1597,31 +1607,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Slobodan D. Sredojević <[email protected]>\n"
@@ -1629,113 +1639,113 @@ msgstr ""
 "Ivan Pejić <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Mod"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "P_regled"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Pomoć"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Osnovni"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "Na_predni"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finansijski"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "P_rogramerski"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "Sad_ržaj"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Umnoži"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "U_baci"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Opo_zovi"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Ponovi"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "Po_stavke"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Izađi"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_O programu"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Logičko I je definisano samo za pozitivne cele brojeve"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Logičko ILI je definisano samo za pozitivne cele brojeve"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Logičko ILLI je definisano samo za pozitivne cele brojeve"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Logičko NE je definisano samo za pozitivne cele brojeve"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Pomeranje je moguće samo za pozitivne cele vrednosti"
 
@@ -1790,7 +1800,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1799,761 +1809,761 @@ msgstr ""
 "π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inverzni sinus nije definisan za vrednosti izvan [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Inverzni kosinus nije definisan za vrednosti izvan [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Inverzni hiperbolički kosinus nije definisan za vrednosti manje od jedan"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s stepeni"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "stepen,stepena,stepeni,st"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radijana"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radijan,radijana,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradijana"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradijan,gradijana,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parseci"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsek,parseka,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Svetlosne godine"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "svetlosnagodina,svetlosnegodine,svetlosnihgodina,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomske jedinice"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Nautičke milje"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milje"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "milja,milje,milja,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometri"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometar,kilometra,kilometara,km,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kablovi"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabal,kabla,kablova,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Hvati"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "hvat,hvata,hvatova,hv,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metri"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metar,metra,metara,m,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Jardi"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "jard,jarda,jardi,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Stope"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "stopa,stope,stopa,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inči"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inč,inča,in,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimetri"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimetar,centimetra,centimetara,cm,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetri"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimetar,milimetra,milimetara,mm,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometri"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometar,mikrometra,mikrometara,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometri"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometar,nanometra,nanometara,nm,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektari"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektar,hektara, ha,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Akri"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s akra"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "akr,akra"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Kvadratni metri"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Kvadratni centimetri"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Kvadratni milimetri"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubni metri"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galoni"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galon,galona,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litri"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s l"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litar,litra,litara,L,l"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Kvarti"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kvart,kvarta,kvartova,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pinte"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pinta,pinte,pinti,pt,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mililitri"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s ml"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitar,mililitra,mililitara,ml,ml,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikrolitri"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μl"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μl,ul"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tone"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s t"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tona,tone,t,t"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogrami"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograma,kg,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Funte"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "funta,funte,funti,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Unce"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "unca,unce,unci,oz,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Grami"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grama,g,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Godine"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s god."
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "godina,godine,godina"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dani"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dana"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dan,dana"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Sati"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s sati"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "sat,sata,sati"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minuti"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s min."
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minut,minuta"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekunde"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekunda,sekunde,sekundi,s,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisekunde"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisekunda,milisekunde,milisendi,ms,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekunde"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekunda,mikrosekunde,mikrosekundi,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celzijusi"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "stepC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farenhajti"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "stepF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvini"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankini"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "stepR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Ugao"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Dužina"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Površina"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Zapremina"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Težina"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Vreme"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatura"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s%s"
diff --git a/po/sv.po b/po/sv.po
index 5617d8a..f56b0aa 100644
--- a/po/sv.po
+++ b/po/sv.po
@@ -4,7 +4,6 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Kristoffer Grundström <[email protected]>, 2018
 # Henrik Mattsson-Mårn <[email protected]>, 2018
 # efef6ec5b435a041fce803c7f8af77d2_2341d43, 2018
 # Patrik Nilsson <[email protected]>, 2018
@@ -14,17 +13,18 @@
 # Wolfgang Ulbrich <[email protected]>, 2019
 # 6a42dd6e7ca9a813693714b0d9aa1ad8, 2019
 # eckeman <[email protected]>, 2020
-# Stefano Karapetsas <[email protected]>, 2020
-# Luna Jernberg <[email protected]>, 2021
+# Kristoffer Grundström <[email protected]>, 2022
+# Stefano Karapetsas <[email protected]>, 2022
+# Luna Jernberg <[email protected]>, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Luna Jernberg <[email protected]>, 2021\n"
-"Language-Team: Swedish (https://www.transifex.com/mate/teams/13566/sv/)\n"
+"Last-Translator: Luna Jernberg <[email protected]>, 2023\n"
+"Language-Team: Swedish (https://app.transifex.com/mate/teams/13566/sv/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -62,7 +62,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Minne"
 
@@ -125,7 +125,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Sammansatt period"
 
@@ -226,7 +226,7 @@ msgstr "K_ostnad:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Framtida värde"
 
@@ -257,7 +257,7 @@ msgstr "_Periodisk betalning:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Bruttovinstmarginal"
 
@@ -277,7 +277,7 @@ msgstr "_Marginal:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Periodisk betalning"
 
@@ -303,7 +303,7 @@ msgstr "_Principal:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Nuvarande värde"
 
@@ -320,7 +320,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Periodisk räntesats"
 
@@ -486,7 +486,7 @@ msgstr "Bvm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Infoga teckenkod"
 
@@ -536,7 +536,7 @@ msgid "64-bit"
 msgstr "64-bitars"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Inställningar"
 
@@ -571,7 +571,7 @@ msgstr "Visa tusentalsa_vgränsare"
 
 #: data/mate-calc.appdata.xml.in:7
 msgid "MATE Calc"
-msgstr ""
+msgstr "MATE-kalkylator"
 
 #: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
@@ -591,12 +591,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Kalkylatorn"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkylator"
 
@@ -660,7 +660,7 @@ msgstr "Visa historik"
 
 #: data/org.mate.calc.gschema.xml:53
 msgid "Shows all recent calculations"
-msgstr ""
+msgstr "Visar alla senaste beräkningar"
 
 #: data/org.mate.calc.gschema.xml:57
 msgid "Number format"
@@ -958,12 +958,12 @@ msgstr "Venezuelansk bolívar"
 msgid "South African Rand"
 msgstr "Sydafrikansk rand"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Fel: antalet punkter måste vara positivt"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -974,7 +974,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -991,7 +991,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1011,7 +1011,7 @@ msgstr ""
 "  --g-fatal-warnings              Gör alla varningar ödesdigra"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1021,13 +1021,13 @@ msgstr ""
 "  -s, --solve <ekvation>          Lös angiven ekvation"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argumentet --solve kräver en ekvation att lösa"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Okänt argument \"%s\""
@@ -1042,294 +1042,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Eulers nummer"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Decimalpunkt"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Nedsänkta tecken [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Upphöjda tecken [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Vetenskaplig exponent [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Addera [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Subtrahera [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Multiplicera [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Dividera [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modulusdivision"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Ytterligare funktioner"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
-msgstr ""
+msgstr "Ytterligare konstanter"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Exponent [^ eller **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kvadrat [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Procent [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Fakultet [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolutbelopp [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Komplexargument"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Komplexkonjugat"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Rot [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Kvadratrot [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritm"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Naturlig logaritm"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinus"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosinus"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tangens"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hyperbolisk sinus"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hyperbolisk cosinus"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hyperbolisk tangent"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Inverterad sinus"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Inverterad cosinus"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Inverterad tangens"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Invers [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Boolesk AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Boolesk OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Boolesk exklusiv OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Boolesk NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Heltalsdel"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Bråkdel"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Realdel"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Imaginärdel"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Enkomplement"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Tvåkomplement"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Startblock [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Slutblock [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Beräkna resultat"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Faktorisera [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Töm skärmen [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Ångra [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Shift Vänster [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Shift Höger [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Dubbel degressiv avskrivning"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Finansiell period"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Degressiv avskrivning"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Linjär avskrivning"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Binär"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Oktal"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Decimal"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Hexadecimal"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1338,7 +1348,7 @@ msgstr[1] "_%d platser"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1346,188 +1356,188 @@ msgstr[0] "%d plats"
 msgstr[1] "%d platser"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Avrunda"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Golv"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Tak"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Tecken"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
-msgstr ""
+msgstr "Ljusets hastighet"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
-msgstr ""
+msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
-msgstr ""
+msgstr "Magnetisk konstant"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
-msgstr ""
+msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
-msgstr ""
+msgstr "Elektrisk konstant"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
-msgstr ""
+msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
-msgstr ""
+msgstr "Newtonsk gravitationskonstant"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
-msgstr ""
+msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
-msgstr ""
+msgstr "Plancks konstant"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
-msgstr ""
+msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
-msgstr ""
+msgstr "Elementär laddning"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
-msgstr ""
+msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
-msgstr ""
+msgstr "Elektronmassa"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
-msgstr ""
+msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
-msgstr ""
+msgstr "Protonmassa"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
-msgstr ""
+msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
-msgstr ""
+msgstr "Avogadros konstant"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
-msgstr ""
+msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " i "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Byt konverteringsenheter"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Ingen ångringshistorik"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Ingen ångringshistorik"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Inget vettigt värde att lagra"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Överflöde. Prova en större ordstorlek"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Okänd variabel \"%s\""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Funktionen \"%s\" är inte definierad"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Okänd konvertering"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Felaktigt uttryck vid '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Felaktigt utformat uttryck"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Beräknar"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Behöver ett heltal att faktorisera"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Inget vettigt värde att göra bitvis skifte"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Visat värde är inte ett heltal"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1535,63 +1545,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Grader"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radianer"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Nygrader"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Automatiskt"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Fast"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Vetenskaplig"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Ingenjör"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Visa %d decimal_platser"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Kunde inte öppna hjälpfilen"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE Documentation Team"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1599,7 +1609,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1607,25 +1617,27 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
+"Kalkylator med ekonomiska och vetenskapliga lägen.\n"
+"Använder GNU MPFR %s och GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
-msgstr ""
+msgstr "Om MATE-kalkylator"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1633,118 +1645,118 @@ msgstr ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE utvecklarna"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Kristoffer Grundström <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Miniräknare"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Läge"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Visa"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Hjälp"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Grundläggande"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Avancerad"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Finansiell"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programmering"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "_Historik"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Innehåll"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopiera"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Klistra _in"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Ångra"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Gör om"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "_Rensa Historik"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Inställningar"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Avsluta"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Om"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Boolesk AND definieras endast för positiva heltal"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Boolesk OR definieras endast för positiva heltal"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Boolesk XOR definieras endast för positiva heltal"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Boolesk NOT definieras endast för positiva heltal"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Skift är endast möjlig på heltalsvärden"
 
@@ -1766,13 +1778,13 @@ msgstr "Logaritm med noll är inte definierad"
 #. Translators: Error displayed when attempting to take zeroth root
 #: src/mp.c:434
 msgid "The zeroth root of a number is undefined"
-msgstr ""
+msgstr "Nollroten av ett tal är odefinierad"
 
 #. Translators: Error displayed when attempted take the factorial of a
 #. negative or complex number
 #: src/mp.c:474
 msgid "Factorial is only defined for non-negative real numbers"
-msgstr ""
+msgstr "Faktultet definieras endast för icke-negativa reella tal"
 
 #. Translators: Error displayed when attemping to do a modulus division on
 #. non-integer numbers
@@ -1791,15 +1803,15 @@ msgstr "Potensen för noll är inte definierad för en negativ exponent"
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
 msgid "The error function is only defined for real numbers"
-msgstr ""
+msgstr "Felfunktionen är endast definierad för reella tal"
 
 #. Translators: Error displayed when zeta function value is undefined
 #: src/mp.c:632
 msgid "The Riemann zeta function is only defined for real numbers ≠1"
-msgstr ""
+msgstr "Riemann zeta-funktionen är endast definierad för reella tal ≠1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1808,761 +1820,761 @@ msgstr ""
 "(90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Inversad sinus är inte definierad för värden utanför [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Inversad cosinus är inte definierad för värden utanför [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
-msgstr ""
+msgstr "Arktangensfunktionen är odefinierad för värdena i och -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Inversad hyperbolisk cosinus är inte definierad för värden mindre än ett"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
-msgstr ""
+msgstr "Invers hyperbolisk tangens är odefinierad för värden utanför (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s grader"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "grad,grader,grd"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radianer"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radianer,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s nygrader"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "nygrad,nygrader,nygr"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsec"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Ljusår"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ljusår,lå"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomiska enheter"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Sjömil"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s M"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "M"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Engelska mil"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "engelsk mil,engelska mil,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometer"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Kablar"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "kabel,kablar,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Famn"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "famn,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Meter"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yard"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Fot"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "fot,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Tum"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "tum,inch,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centimeter"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimeter"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometer"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometer,mcm,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometer"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektar"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektar,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Tunnland"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s tunnland"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "tunnland"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Kvadratmeter"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Kvadratcentimeter"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Kvadratmillimeter"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Kubikmeter"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallon"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Liter"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "liter,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Quart"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pint"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Milliliter"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "milliliter,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikroliter"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Ton"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ton"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogram"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilo,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pund"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pund,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Uns"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "uns,ounce,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gram"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "År"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s år"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "år"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Dagar"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s dagar"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "dag,dagar"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Timmar"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s timmar"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "timme,timmar"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Minuter"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minuter"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minut,minuter"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Sekunder"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "sekund,sekunder,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisekunder"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisekund,millisekunder,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosekunder"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosekund,mikrosekunder,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Fahrenheit"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankine"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Vinkel"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Längd"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Yta"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Volym"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Vikt"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Tid"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Temperatur"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/ta.po b/po/ta.po
index ecc93c5..b4ea330 100644
--- a/po/ta.po
+++ b/po/ta.po
@@ -12,12 +12,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Tamil (https://www.transifex.com/mate/teams/13566/ta/)\n"
+"Language-Team: Tamil (https://app.transifex.com/mate/teams/13566/ta/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -55,7 +55,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "நினைவகம்"
 
@@ -118,7 +118,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "கூட்டு சொல்"
 
@@ -218,7 +218,7 @@ msgstr "செலவு (_o):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "எதிர்கால மதிப்பு "
 
@@ -248,7 +248,7 @@ msgstr "காலமுறை செலுத்தல் (_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "மொத்த லாப வரம்பு"
 
@@ -268,7 +268,7 @@ msgstr "வரம்பு (_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "காலமுறை செலுத்தல் "
 
@@ -294,7 +294,7 @@ msgstr "அசல் தொகை (_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "நடப்பு மதிப்பு "
 
@@ -310,7 +310,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "காலமுறை வட்டி வீதம் "
 
@@ -474,7 +474,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "எழுத்துரு குறியீட்டைசொருகு"
 
@@ -524,7 +524,7 @@ msgid "64-bit"
 msgstr "64 பிட்"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "விருப்ப தேர்வுகள் "
 
@@ -579,12 +579,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE கணிப்பான்"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "கணிப்பான்"
 
@@ -946,12 +946,12 @@ msgstr "வெனிசுலா பொலிவார்"
 msgid "South African Rand"
 msgstr "தென் ஆப்பிரிக்க ரான்ட்"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "பிழை: புள்ளிகளின் எண்ணிக்கை நேர்குறியாக இருக்க வேண்டும்."
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -962,7 +962,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -979,7 +979,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -999,7 +999,7 @@ msgstr ""
 "  --g-fatal-warnings              எல்லா எச்சரிக்கைகளையும் ஆபத்தாக்கு"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1009,13 +1009,13 @@ msgstr ""
 "    -s, --solve <equation>          கொடுத்த சமன்பாட்டை தீர்க்கிறது"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "--solve துணையலகுக்கு தீர்க்க ஒரு சமன்பாடு தேவை"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "தெரியாத துணை அலகு '%s'"
@@ -1030,294 +1030,304 @@ msgstr "பை [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "யூலரின் எண்"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "கீழொட்டு எண் பாங்கு [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "மேலொட்டு எண் பாங்கு [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "லிஞ்ஞான அடுக்குக்குறி [Ctrl+E] "
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "கூட்டு [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "கழி [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "பெருக்கு [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "வகு [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "மட்டு வகுத்தல்"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "தொகு செயல்கூறுகள்"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "அடுக்குக்குறி [^ அல்லது  **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "வர்க்கம் [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "சதவிகிதம் [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "தொடர் பெருக்கம் [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "முழுமையான மதிப்பு [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "சிக்கலான தரு மதிப்பு"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "சிக்கல் கூட்டு எண்"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "ரூட்  [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "வர்க்க மூலம் [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "லாக்ருதம்"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "இயல் லாக்ருதம்"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sine"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosine"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "டான்ஜென்ட்"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "ஹைபர்போலிக் சைன்"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "ஹைபர்போலிக் கோசைன்"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "ஹைபர்போலிக் டான்ஜென்ட்"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Sine-ஐ தலைகீழாக்கு"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Cosine-ஐ தலைகீழாக்கு"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Tangent-ஐ தலைகீழாக்கு"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "தலைகீழ் [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "பூலியன் அண்ட்  "
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "பூலியன் ஆர் "
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "பூலியன் தவிர்த்த ஆர் "
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "பூலியன் நாட்"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "முழு எண் கூற"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "பின்னம் பகுதி"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "உண்மை கூறு"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "கற்பனைக் கூறு"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "ஒன்றின் நிரப்பி "
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "இரண்டின் நிரப்பி "
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "தொகுதி துவக்கம் [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "தொகுதியை முடி [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "முடிவை கணக்கிடு "
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "காரணிப்படுத்து [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "காட்சியை துடை [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "செயல் தவிர்  [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "இரட்டை குறைவு குறைமானம்"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "நிதி காலம்"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "மொத்த வருட இலக்கம் குறைமானம் "
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "நேர் கோடு குறைமானம்"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "இருமம்"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "எண்ம"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "தசம"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "பதின்அறும"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1326,7 +1336,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1334,188 +1344,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "சுற்று"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "தளம்"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "உச்ச வரம்பு"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "கையொப்பம்"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " உள்ளே "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "மாற்றும் அலகை மாற்று"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "மீட்டமை வரலாறு இல்லலை"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "மீட்டமை வரலாறு இல்லை"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "சேமிக்க சேன் (sane) மதிப்பு இல்லை"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "நிரம்பிவிட்டது. இன்னும் பெரிய சொல் அளவை முயற்சி செய்க"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "தெரியாத மாறி  '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "செயல்கூறு '%s' ஐ வரையறுக்கவில்லை"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "தெரியாத மதிப்பு மாற்றம்"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "'%s'-ல் தவறான கோவை இடம்பெற்றுள்ளது"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "தவறான கோவை"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "கணக்கிடுகிறது"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "காரணிப்படுத்த பகாவெண் தேவை"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "பிட் வைஸ் மாற்றலுக்கு சேன் (sane) மதிப்பு இல்லை"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "காட்டப்பட்ட மதிப்பு முழு எண் இல்லை."
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1523,63 +1533,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "பாகைகள்"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "ரேடியன்கள்"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "கிரேடியன்கள்"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "தானியங்கி"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "நிலையான"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "அறிவியல் "
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "பொறியியல்"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "_p %d தசம இடங்களை காட்டு"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "உதவி கோப்பினை திறக்க முடியவில்லை"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1587,7 +1597,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1595,31 +1605,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Launchpad Contributions:\n"
@@ -1627,113 +1637,113 @@ msgstr ""
 "  bhuvi https://launchpad.net/~bhuvanesh"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "கணிப்பி (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_M மோட்"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_பார்"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_உதவி"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "அடிப்படை (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "மேம்பட்ட  (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "நிதிநிலை (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "நிரலாக்கம் (_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_C உள்ளடக்கங்கள்"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "நகல் (_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_ஒட்டு"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_கவில்"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_மீண்டும்"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "விருப்ப தேர்வுகள் "
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_வ _வெளிச்செல்"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "பற்றி "
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "நேர்நிலை  முழு எண்களுக்கு மட்டுமே பூலியன் அண்ட்"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "நேர்நிலை முழு எண்களுக்கு மட்டுமே பூலியன் ஆர்"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "நேர்நிலை முழு எண்களுக்கு மட்டுமே பூலியன் எக்ஸ்ஆர்"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "நேர்நிலை முழு எண்களுக்கு மட்டுமே பூலியன் நாட்"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "பகா எண்களுக்கு மட்டுமே ஷிப்ட் "
 
@@ -1788,7 +1798,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1797,25 +1807,25 @@ msgstr ""
 "வரையறுக்கப்படவில்லை"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 "தலைகீழ் சைன் [-1, 1] க்கு வெளியே உள்ள மதிப்புக்களுக்கு வரையறுக்கப்படவில்லை"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 "தலைகீழ் கோசைன் [-1, 1] க்கு வெளியே உள்ள மதிப்புக்களுக்கு வரையறுக்கப்படவில்லை"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "தலைகீழ் அதிபரவளைய கோசைன்  1 க்கு குறைவாக உள்ள மதிப்புக்களுக்கு "
@@ -1823,740 +1833,740 @@ msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s பாகைகள்"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "பாகை, பாகைகள், பாகை."
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s கிரேடியன்கள்"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "ரேடியன், ரேடியன்கள், ரேடி"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s கிரேடியன்கள்"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "கிரேடியன், கிரேடியன்கள், கிரேடி."
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "பார்செக்கள்"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s இடம்"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "பார்செக், பார்செக்கள், பா.செ."
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "ஒளி வருடங்கள்"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ஒ.வ."
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ஒளிவருடம், ஒளிவருடங்கள்,ஒ.வ."
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "வானசாஸ்திர அலகுகள்"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s வா.அ."
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "வா.அ."
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "கடல்மைல்கள்"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s க.மை."
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "க.மை"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "மைல்கள்"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s மைல்."
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "மைல், மைல்கள். மைல்."
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "கிலோமீட்டர்கள்"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s கி.மீ."
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "கிலோ மீட்டர், கிலோ மீட்டர்கள், கி.மீ, கி.மீ."
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "கேபிள்கள்"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s கே."
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "கேபிள், கேபிள்கள், கே."
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "ஃபேதம்கள்"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ஃபா."
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "ஃபாதம், ஃபாதங்கள், ஃபா."
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "மீட்டர்கள்"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s மீ"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "மீட்டர், மீட்டர்கள், மீ"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "கஜங்கள்"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s க."
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "கஜம், கஜங்கள், க."
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "அடிகள்"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s அடி."
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "அடி, அடிகள், அடி."
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "இஞ்ச்கள்"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s இன்ச் "
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "அங்குலம், அங்குலங்கள், அங்"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "சென்டிமீட்டர்கள்"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s செமீ"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "சென்டிமீட்டர், சென்டிமீட்டர்கள், செமீ, செமீ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "மில்லிமீட்டர்கள்"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s மி.மீ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "மில்லிமீட்டர், மில்லிமீட்டர்கள், மிமீ"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "மைக்ரோமீட்டர்கள்"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μமீ"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "மைக்ரோமீட்டர், மைக்ரோமீட்டர்கள், மை.மீ"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "நானோமீட்டர்கள்"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s நா.மீ."
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "நானோமீட்டர், நானோமீட்டர்கள்,நாமீ"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "ஹெக்டேர்கள்"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ஹெக்"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "ஹெக்டேர், ஹெக்டேர்கள், ஹெக்"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "ஏக்கர்கள்"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s ஏக்கர்கள்"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "ஏக்கர், ஏக்கர்கள்"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "சதுர மீட்டர்கள்"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s மீ²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "மீ²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "சதுர சென்டிமீட்டர்கள்"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s செமீ²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "செமீ²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "சதுர மில்லிமீட்டர்கள்"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s மிமீ²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "மிமீ²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "கன மீட்டர்கள்"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s மீ³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "மீ³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "காலன்கள்"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s கே"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "கேலன், கேலன்கள், கே"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "லிட்டர்கள்"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s லிட்"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "லிட்டர், லிட்டர்கள், லிட்டர், லிட்டர்கள்,லிட்"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "க்வார்ட்கள்"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s க்வா"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "க்வார்ட், க்வார்ட்கள், க்வா"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "பைன்டுகள்"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s பைன்"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "பைன்ட், பைன்ட்கள், பை"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "மில்லிலிட்டர்கள்"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s மி.லி"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 "மில்லி லிட்டர், மில்லி லிட்டர்கள், மில்லி லிட்டர், மில்லி "
 "லிட்டர்கள்,மி.லி.செ.மீ³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "மைக்ரோ லிட்டர்கள்"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μலி"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "மிமீ³, μலி, uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "டன்கள்"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s டன்"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "டன், டன்கள்"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "கிலோகிராம்கள்"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s கி.கி"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "கிலோகிராம், கிலோ கிராம்கள், கிலோகிராம், கிலோ கிராம்கள், கி.கி"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "பவுண்டுகள்"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s பவு"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "பவுண்ட், பவுண்டுகள், பவு"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "அவுன்ஸ்கள் "
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s அவு."
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "அவுன்ஸ், அவுன்ஸ்கள் அவு."
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "கிராம்கள்"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s கி"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "க்ராம், க்ராம்கள், க்ராம், க்ராம்கள், கி"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "வருடங்கள்"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s வருடங்கள்"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "வருடம், வருடங்கள்"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "நாட்கள்"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s நாட்கள்"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "நாள், நாட்கள்"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "மணிகள்"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s மணிகள்"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "மணி, மணிகள்"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "நிமிடங்கள்"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s நிமிடங்கள்"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "நிமிடம், நிமிடங்கள்"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "விநாடிகள்"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "வினாடி, வினாடிகள் , வி"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "மில்லி வினாடிகள்"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "மில்லிவினாடி, மில்லிவினாடிகள், மை.வி."
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "மைக்ரோவினாடிகள் "
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "மைக்ரோ வினாடி, மைக்ரோ வினாடிகள், us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "செல்சியஸ்"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "டிகிரிC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "பாரன்ஹீட்"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "டிகிரிF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "கெல்வின்"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "ரேன்கின்"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "டிகிரிR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "கோணம்"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "நீளம்"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "பரப்பு"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "கொள்ளளவு"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "கனம்"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "காலஅளவு"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "வெப்பநிலை"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "பணம்"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/te.po b/po/te.po
index 876bee9..2f6fb95 100644
--- a/po/te.po
+++ b/po/te.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Telugu (https://www.transifex.com/mate/teams/13566/te/)\n"
+"Language-Team: Telugu (https://app.transifex.com/mate/teams/13566/te/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "మెమోరీ"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "కాంపౌండింగ్ గడువు"
 
@@ -216,7 +216,7 @@ msgstr "ధర (_o):"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "భవిష్య విలువ"
 
@@ -246,7 +246,7 @@ msgstr "ఆవర్తనా చెల్లింపు (_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "స్థూల లాభం ఉపాంతం"
 
@@ -266,7 +266,7 @@ msgstr "ఉపాంతం (_M):"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "ఆవర్తనా చెల్లింపు"
 
@@ -292,7 +292,7 @@ msgstr "అసలు (_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "ప్రస్తుత విలువ"
 
@@ -308,7 +308,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "ఆవర్తనా వడ్డీ రేటు"
 
@@ -474,7 +474,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "అక్షరము కోడును ప్రవేశపెట్టు"
 
@@ -524,7 +524,7 @@ msgid "64-bit"
 msgstr "64-బిట్"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "అభిరుచులు"
 
@@ -579,12 +579,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "గణన పరికరం"
 
@@ -946,12 +946,12 @@ msgstr "వెనుజులియన్ బొలివర్"
 msgid "South African Rand"
 msgstr "సౌత్ ఆఫ్రికన్ ర్యాండ్"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "దోషం: ఆవర్తనాల సంఖ్య ధనాత్మకం అయివుండాలి"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -962,7 +962,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -979,7 +979,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -999,7 +999,7 @@ msgstr ""
 "  --g-fatal-warnings              Make all warnings fatal"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1009,13 +1009,13 @@ msgstr ""
 "  -s, --solve <equation>          ఇచ్చిన సమీకరణాన్ని సాధించండి"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "ఆర్గుమెంట్ --solve అనుదానికి పరిష్కరించుటకు వొక సమీకరణం కావాలి"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "తెలియని ఆర్గుమెంట్ '%s'"
@@ -1030,294 +1030,304 @@ msgstr "పై [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "యూలర్స్ సంఖ్య"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "ఉపస్క్రిప్టు విధం [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "సూపర్‌స్క్రిప్టు విధం [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "శాస్త్రీయ ఘాతం [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "కూడు [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "తీసివేత [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "గుణించు [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "భాగించు [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "మాడ్యులస్ భాగహారం"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "అదనపు ప్రమేయాలు"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "ఘాతం [^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "వర్గము [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "శాతం [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "క్రమ గుణితం [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "ఖచ్చితమైన విలువ [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "సంకీర్ణ వాదన"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "సంకీర్ణ సంయుగ్మం"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "మూలం [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "వర్గమూలం [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "సంవర్గమానం"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "సహజ సంవర్గమానం"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "సైన్"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "కొసైన్"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "టాంజెంట్"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "హైపర్‌బోలిక్ సైన్"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "హైపర్‌బోలిక్ కొసైన్"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "హైపర్‌బోలిక్ టాంజెంట్"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "విలోమం [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "బూలియన్ AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "బూలియన్ OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "బూలియన్ ఎక్స్లూసివ్ OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "బూలియన్ NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "పూర్ణాంక అంశం"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "భిన్నాంక అంశం"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "వాస్తవ అంశం"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "కల్పిత అంశం"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "ఒకటవ' పూరకము"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "రెండవ' పూరకము"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "సమూహాలను ప్రారంభించు [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "సమూహం ముగించు [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "ఫలితాన్ని గణించు"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "కారణాంకాలుకట్టు [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "ప్రదర్శకాన్ని శుభ్రపరుచు [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "రద్దుచేయి [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "రెట్టింపు-క్షీణతా తరుగుదల"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "ఆర్థిక వనరుల సంబంధిత పదం"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "సంవత్సరాల సంఖ్యల యొక్క మొత్తం తరుగుదల"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "సరళ రేఖ తరుగుదల"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "బైనరీ"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "అష్టము"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "దశాంశం"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "షట్కోణదశాంశం"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1326,7 +1336,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1334,188 +1344,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "గుండ్రం"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "నేల"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "కప్పు"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "చిహ్నం"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " in "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "పరివర్తక ప్రమాణాలను మార్చు"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "రద్దుచేసిన ఏమీ చరిత్రలేదు"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "మళ్ళీచేసిన ఏ చరిత్రలేదు"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "నిల్వచేయుటకు ఏ సైన్ విలువలేదు"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "మించినది. పెద్ద పద పరిమాణమును ప్రయత్నంచు"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "తెలియని చరరాశి '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "'%s' ప్రమేయం నిర్వచించబడలేదు"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "తెలియని పరివర్తనం"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "తప్పైన సమీకరణం"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "లెక్కిస్తున్నది"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "కారణాంకాలు కట్టుటకు ఒక పూర్ణాంకం అవసరం"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "బిట్ వారీ షిఫ్ట్‍ చేయుటకు ఏ స్థిరచిత్త విలువలేదు"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "ప్రదర్శించబడిన విలువ పూర్ణాంకం కాదు"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1523,63 +1533,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "డిగ్రీలు"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "రేడియన్లు"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "గ్రేడియన్లు"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "స్వయంచాలకం"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "స్థిర"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "శాస్త్రీయం"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "ఇంజనీరింగు"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d దశాంశ స్థానాలను చూపించు (_p)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "సహాయపు దస్త్రాన్ని తెరువలేదు"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1587,7 +1597,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1595,142 +1605,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Praveen Illa <[email protected]>, 2014"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "గణనపరికరం (_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "చూడటం (_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "సహాయం (_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "ప్రాథమిక (_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "ఆధునిక (_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "ఆర్థికగణని (_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "ప్రోగ్రామింగ్ (_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "సారములు (_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "నకలుతీయు(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "అతికించు (_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "చేసింది రద్దు (_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "మళ్ళీచేయి (_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "అభిరుచులు (_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "నిష్క్రమించు (_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "గురించి (_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "బూలియన్ AND ధనాత్మక పూర్ణాంకాలకు మాత్రమే నిర్వచించబడింది"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "బూలియన్ OR ధనాత్మక పూర్ణాంకాలకు మాత్రమే నిర్వచించబడింది"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "బూలియన్ XOR ధనాత్మక పూర్ణాంకాలకు మాత్రమే నిర్వచించబడింది"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "బూలియన్ NOT ధనాత్మక పూర్ణాంకాలకు మాత్రమే నిర్వచించబడింది"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "షిఫ్టు అనేది పూర్ణాంక విలువలకు మాత్రమే సాధ్యమవుతుంది"
 
@@ -1785,7 +1795,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1793,760 +1803,760 @@ msgstr ""
 "π∕2 (90°) నుండి π (180°) యొక్క గుణిజాలయిన కోణాలకు టాంజెంటు నిర్వచించబడలేదు"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "[-1, 1] బయటవున్న విలువలకు విలోమ సైన్ నిర్వచించబడలేదు"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "[-1, 1] బయటవున్న విలువలకు విలోమ కొసైన్ నిర్వచించబడలేదు"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "ఒకటి కంటే తక్కువవున్న విలువలకు విలోమ అతిపరావలయ కొసైన్ నిర్వచించబడలేదు"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s డిగ్రీలు"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "డిగ్రీ,డిగ్రీలు,డిగ్"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s రేడియన్లు"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "రేడియన్,రేడియన్లు,రేడ్"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s గ్రేడియన్లు"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "గ్రేడియన్,గ్రేడియన్లు,గ్రేడ్"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "పార్సెక్లు"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "పార్సెక్,పార్సెక్లు,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "కాంతి సంవత్సరాలు"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "కాంతిసంవత్సరం,కాంతిసంవత్సరాలు,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "ఖగోళ ప్రమాణాలు"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "నాటికల్ మైళ్ళు"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "మైళ్ళు"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "మైళ్ళు"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s మై"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "మైలు,మైళ్ళు,మై"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "కిలోమీటర్లు"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s కిమీ"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "కిలోమీటర్,కిలోమీటర్లు,కిమీ,కిమీలు"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "కేబుళ్ళు"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "కేబుల్,కేబుళ్ళు,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "ఫాథోములు"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "ఫేథోమ్,ఫేథోమ్లు,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "మీటర్లు"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "మీటర్,మీటర్లు,మీ"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "యార్డులు"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "యార్డ్,యార్డులు,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "అడుగు"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "అడుగు,ఫీట్,ఎఫ్టి"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "ఇంచులు"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "ఇంచు,ఇంచులు,ఇం"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "సెంటీమీటర్లు"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s సెం.మీ"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "సెంటీమీటరు,సెంటీమీటర్లు,సెం,సెం.మీ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "మిల్లీమీటర్లు"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s మిమీ"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "మిల్లీమీటర్,మిల్లీమీటర్లు,మిమి"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "మైక్రోమీటర్లు"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "మైక్రోమీటర్,మైక్రోమీటర్లు,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "నానోమీటర్లు"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "నానో మీటర్, నానో మీటర్లు,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "హెక్టార్లు"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s హెక్టా"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "హెక్టారు,హెక్టార్లు,హెక్టా"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "ఎకరాలు"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s ఎకరాలు"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "ఎకరం,ఎకరాలు"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "చదరపు మీటర్లు"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "చదరపు సెంటీమీటర్లు"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "చదరపు మిల్లీమీటర్లు"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "క్యూబిక్ మీటర్లు"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "గేల్లాన్స్"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "గాలోన్,గాలోన్లు,గాల్"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "లీటర్లు"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s లీ"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "లీటరు,లీటర్లు,లీటెర్,లీటెర్లు,లీ"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "క్వార్ట్లు"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "క్వార్ట్,క్వార్టులు,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "పింట్లు"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "పింట్,పింట్లు,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "మిల్లీలీటర్లు"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s మిలీ"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "మిల్లీలీటర్,మిల్లీలీటర్లు,మిల్లీలీటెర్,మిల్లీలీటెర్లు,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "మైక్రోలీటర్లు"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "టన్నులు"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "టన్ను,టన్నులు"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "కిలోగ్రాములు"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s కిగ్రా"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "కిలోగ్రామ్,కిలోగ్రాములు,కిలోగ్రామ్మ్,కిలోగ్రామ్మ్స్,కేజీ,కేజీలు"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "పౌండ్లు"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "పౌండు,పౌండ్లు,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "ఔన్సులు"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ఔన్సు,ఔన్సులు,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "గ్రాములు"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s గ్రా"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "గ్రాము,గ్రాములు,గ్రామీ,గ్రామీలు,గ్రా"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "సంవత్సరాలు"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s సంవత్సరాలు"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "సంవత్సరం,సంవత్సరాలు"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "రోజులు"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s రోజులు"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "రోజు,రోజులు"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "గంటలు"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s గంటలు"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "గంట,గంటలు"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "నిమిషాలు"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s నిమిషాలు"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "నిమిషం,నిమిషాలు"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "సెకన్లు"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "సెకను,సెకన్లు, s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "మిల్లీసెకన్లు"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s మిసె"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "మిల్లీసెకను,మిల్లీసెకన్లు,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "మైక్రోసెకన్లు"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "మైక్రోసెకను,మైక్రోసెకన్లు,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "సెల్సియస్"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "ఫారెన్‌హీట్"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "కెల్విన్"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "ర్యాంకిన్"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "కోణం"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "పొడవు"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "వైశాల్యం"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "సంపుటం"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "బరువు"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "నిడివి"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "ఉష్ణోగ్రత"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "ద్రవ్యం"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/th.po b/po/th.po
index de0417a..88f75e7 100644
--- a/po/th.po
+++ b/po/th.po
@@ -13,12 +13,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Akom <[email protected]>, 2020\n"
-"Language-Team: Thai (https://www.transifex.com/mate/teams/13566/th/)\n"
+"Language-Team: Thai (https://app.transifex.com/mate/teams/13566/th/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -56,7 +56,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "หน่วยความจำ"
 
@@ -119,7 +119,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "จำนวนงวดทบต้น"
 
@@ -219,7 +219,7 @@ msgstr "_ราคาทุน:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "มูลค่าในอนาคต"
 
@@ -249,7 +249,7 @@ msgstr "เงิน_ผ่อนต่องวด:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "อัตรากำไรสุทธิ"
 
@@ -267,7 +267,7 @@ msgstr "อัตรา_กำไร:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "เงินผ่อนต่องวด"
 
@@ -292,7 +292,7 @@ msgstr "เงิน_ต้น:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "มูลค่าปัจจุบัน"
 
@@ -308,7 +308,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "อัตราดอกเบี้ยต่องวด"
 
@@ -475,7 +475,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "แทรกรหัสตัวอักษร"
 
@@ -525,7 +525,7 @@ msgid "64-bit"
 msgstr "64 บิต"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "การตั้งค่า"
 
@@ -580,12 +580,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "เครื่องคิดเลข MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "เครื่องคิดเลข"
 
@@ -945,12 +945,12 @@ msgstr "โบลิวาร์ เวเนซุเอลา"
 msgid "South African Rand"
 msgstr "แรนด์ แอฟริกาใต้"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "ผิดพลาด: จำนวนคาบต้องเป็นค่าบวก"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -961,7 +961,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -978,7 +978,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -998,7 +998,7 @@ msgstr ""
 "  --g-fatal-warnings              ถือว่าคำเตือนต่างๆ ที่เกิดขึ้นเป็นความผิดพลาดร้ายแรง"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1008,13 +1008,13 @@ msgstr ""
 "  -s, --solve <equation>          หาผลลัพธ์ของนิพจน์ที่กำหนด"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "อาร์กิวเมนต์ --solve ต้องการนิพจน์ที่จะหาผลลัพธ์ด้วย"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "ไม่รู้จักอาร์กิวเมนต์ '%s'"
@@ -1029,294 +1029,304 @@ msgstr "พาย [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "ค่าคงที่ของออยเลอร์"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "โหมดเลขตัวห้อย [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "โหมดเลขตัวยก [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "เลขชี้กำลังวิทยาศาสตร์ [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "บวก [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "ลบ [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "คูณ [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "หาร [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "หารเอาเศษ"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "ฟังก์ชันเพิ่มเติม"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "ยกกำลัง [^ หรือ **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "กำลังสอง [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "อัตราร้อยละ [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "แฟกทอเรียล [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "ค่าสัมบูรณ์ [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "อาร์กิวเมนต์ของเลขเชิงซ้อน"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "สังยุคของเลขเชิงซ้อน"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "ราก [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "รากที่สอง [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "ลอการิทึม"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "ลอการิทึมธรรมชาติ"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "ไซน์"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "โคไซน์"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "แทนเจนท์"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "ไซน์ไฮเพอร์โบลิก"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "โคไซน์ไฮเพอร์โบลิก"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "แทนเจนต์ไฮเพอร์โบลิก"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "ไซน์ผกผัน"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "โคไซน์ผกผัน"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "แทนเจนต์ผกผัน"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "ส่วนกลับ [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "AND แบบบูลีน"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "OR แบบบูลีน"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Exclusive OR แบบบูลีน"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "NOT แบบบูลีน"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "ส่วนจำนวนเต็ม"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "ส่วนเศษทศนิยม"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "ส่วนจริง"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "ส่วนจินตภาพ"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "ส่วนเติมเต็มหนึ่ง"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "ส่วนเติมเต็มสอง"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "เริ่มกลุ่มคำนวณ [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "จบกลุ่มคำนวณ [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "คำนวณผลลัพธ์"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "แยกตัวประกอบ [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "ล้างช่องแสดงผล [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "เรียกคืน [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "ค่าเสื่อมราคาแบบยอดลดลงทวีคูณ"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "เทอมการเงิน"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "ค่าเสื่อมราคาแบบผลรวมจำนวนปี"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "ค่าเสื่อมราคาแบบเส้นตรง"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "ฐานสอง"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "ฐานแปด"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "ฐานสิบ"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "ฐานสิบหก"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1324,195 +1334,195 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "ปัดเศษ"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "ปัดเศษลง"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "ปัดเศษขึ้น"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "เครื่องหมาย"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " เป็น "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "สลับหน่วยการแปลง"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "ไม่มีประวัติคำสั่งที่จะเรียกคืน"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "ไม่มีประวัติคำสั่งที่จะทำซ้ำ"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "ไม่มีค่าที่ใช้ได้ให้เก็บ"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "ค่าล้น กรุณาลองใช้ขนาดเวิร์ดที่ใหญ่กว่านี้"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "ไม่รู้จักตัวแปร '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "ไม่รู้จักฟังก์ชัน '%s'"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "ไม่มีข้อมูลสำหรับแปลงหน่วย"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "รูปแบบนิพจน์ไม่ถูกต้องที่โทเคน '%s'"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "รูปแบบนิพจน์ไม่ถูกต้อง"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "กำลังคำนวณ"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "การแยกตัวประกอบทำได้กับจำนวนเต็มเท่านั้น"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "ไม่มีค่าที่ใช้ได้ให้เลื่อนบิต"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "ค่าที่แสดงอยู่ไม่ใช่จำนวนเต็ม"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1520,63 +1530,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "องศา"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "เรเดียน"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "เกรเดียน"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "อัตโนมัติ"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "ทศนิยมตายตัว"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "วิทยาศาสตร์"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "วิศวกรรม"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "แสดงจุดทศนิยม %d _ตำแหน่ง"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "ไม่สามารถเปิดแฟ้มวิธีใช้"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "ซัน ไมโครซิสเท็มส์"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1584,7 +1594,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1592,142 +1602,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Akom Chotiphantawanon <[email protected]>, 2016"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "เ_ครื่องคิดเลข"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "โห_มด"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "มุม_มอง"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_วิธีใช้"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_พื้นฐาน"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "พิ_เศษ"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "การเ_งิน"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "การเขียนโ_ปรแกรม"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "เ_นื้อหา"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_คัดลอก"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_แปะ"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "เรี_ยกคืน"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_ทำซ้ำ"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_การกำหนดค่า"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_ออก"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "เ_กี่ยวกับ"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "AND แบบบูลีนมีนิยามไว้สำหรับจำนวนเต็มบวกเท่านั้น"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "OR แบบบูลีนมีนิยามไว้สำหรับจำนวนเต็มบวกเท่านั้น"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "XOR แบบบูลีนมีนิยามไว้สำหรับจำนวนเต็มบวกเท่านั้น"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "NOT แบบบูลีนมีนิยามไว้สำหรับจำนวนเต็มบวกเท่านั้น"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "การเลื่อนบิตทำได้กับจำนวนเต็มเท่านั้น"
 
@@ -1782,7 +1792,7 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1790,761 +1800,761 @@ msgstr ""
 "แทนเจนต์ไม่มีนิยามสำหรับมุมที่ห่างจาก π∕2 (90°) เป็นจำนวนเท่าของ π (180°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "ไซน์ผกผันไม่มีนิยามสำหรับค่าที่อยู่นอกช่วง [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "โคไซน์ผกผันไม่มีนิยามสำหรับค่าที่อยู่นอกช่วง [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "โคไซน์ไฮเพอร์โบลิกผกผันไม่มีนิยามสำหรับค่าที่น้อยกว่าหนึ่ง"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s องศา"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "องศา,degree,degrees,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s เรเดียน"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "เรเดียน,radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s เกรเดียน"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "เกรเดียน,gradian,gradians,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "พาร์เซก"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s พาร์เซก"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "พาร์เซก,parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "ปีแสง"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ปีแสง"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "ปีแสง,lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "หน่วยดาราศาสตร์"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "หน่วยดาราศาสตร์,au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "ไมล์ทะเล"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "ไมล์ทะเล,nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "ไมล์"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "ไมล์,mile,miles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "กิโลเมตร"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s กม."
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "กิโลเมตร,กม.,kilometer,kilometers,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "เคเบิล"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "เคเบิล,cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "ฟาทอม"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ฟาทอม"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "ฟาทอม,fathom,fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "เมตร"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s ม."
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "เมตร,meter,meters,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "หลา"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s หลา"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "หลา,yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "ฟุต"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ฟุต"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "ฟุต,foot,feet,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "นิ้ว"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s นิ้ว"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "นิ้ว,inch,inches,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "เซนติเมตร"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s ซม."
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "เซนติเมตร,ซม.,centimeter,centimeters,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "มิลลิเมตร"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s มม."
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "มิลลิเมตร,มม.,millimeter,millimeters,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "ไมโครเมตร"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "ไมโครเมตร,ไมครอน,micrometer,micrometers,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "นาโนเมตร"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "นาโนเมตร,nanometer,nanometers,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "เฮกแตร์"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s เฮกแตร์"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "เฮกแตร์,เฮกตาร์,hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "เอเคอร์"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s เอเคอร์"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "เอเคอร์,acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "ตารางเมตร"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s ม²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "ม²,ตร.ม.,m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "ตารางเซนติเมตร"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s ซม²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "ซม²,ตร.ซม.,cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "ตารางมิลลิเมตร"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s มม²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "มม²,mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "ลูกบาศก์เมตร"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s ม³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "ม³,ลบ.ม.,m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "แกลลอน"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "แกลลอน,gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "ลิตร"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s ล."
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "ลิตร,ล.,litre,litres,liter,liters,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "ควอร์ต"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s ควอร์ต"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "ควอร์ต,quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "ไพนต์"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s ไพนต์"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "ไพนต์,pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "มิลลิลิตร"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s มล."
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 "มิลลิลิตร,มล.,ซม³,ลบ.ซม.millilitre,millilitres,milliliter,milliliters,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "ไมโครลิตร"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "มม³,mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "ตัน"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s ตัน"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ตัน,tonne,tonnes"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "กิโลกรัม"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s กก."
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "กิโลกรัม,กก.,kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "ปอนด์"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s ปอนด์"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "ปอนด์,pound,pounds,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "ออนซ์"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s ออนซ์"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ออนซ์,ounce,ounces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "กรัม"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s ก."
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "กรัม,ก.,gram,grams,gramme,grammes,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "ปี"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s ปี"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "ปี,year,years"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "วัน"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s วัน"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "วัน,day,days"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "ชั่วโมง"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s ชม."
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "ชั่วโมง,ชม.,hour,hours"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "นาที"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s นาที"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "นาที,minute,minutes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "วินาที"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s วินาที"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "วินาที,second,seconds,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "มิลลิวินาที"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "มิลลิวินาที,millisecond,milliseconds,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "ไมโครวินาที"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "ไมโครวินาที,microsecond,microseconds,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "องศาเซลเซียส"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚ซ"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "˚ซ,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "องศาฟาเรนไฮต์"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚ฟ"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "˚ฟ,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "เคลวิน"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "องศาแรงกิน"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "มุม"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "ความยาว"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "พื้นที่"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "ปริมาตร"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "น้ำหนัก"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "เวลา"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "อุณหภูมิ"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "สกุลเงิน"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/tk.po b/po/tk.po
index 590b437..2402432 100644
--- a/po/tk.po
+++ b/po/tk.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Turkmen (https://www.transifex.com/mate/teams/13566/tk/)\n"
+"Language-Team: Turkmen (https://app.transifex.com/mate/teams/13566/tk/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Seçenekler"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Çot"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Görkez"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Help"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Mazmunlar"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Nusgala"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Ýabşyr"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Izine Al"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Ýene Et"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Çyk"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Barada"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/tr.po b/po/tr.po
index 58f595c..e915b51 100644
--- a/po/tr.po
+++ b/po/tr.po
@@ -6,20 +6,20 @@
 # Translators:
 # Mehmet, 2018
 # Emre FIRAT <[email protected]>, 2018
+# Butterfly <[email protected]>, 2018
 # tarakbumba <[email protected]>, 2018
-# 0d1bdb3b9a0d4e8f77bc854af8bf3dfc_e6913f4, 2019
 # mauron, 2019
-# Butterfly <[email protected]>, 2019
-# Stefano Karapetsas <[email protected]>, 2020
+# Stefano Karapetsas <[email protected]>, 2022
+# Sabri Ünal <[email protected]>, 2023
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Turkish (https://www.transifex.com/mate/teams/13566/tr/)\n"
+"Last-Translator: Sabri Ünal <[email protected]>, 2023\n"
+"Language-Team: Turkish (https://app.transifex.com/mate/teams/13566/tr/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -57,7 +57,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Hafıza"
 
@@ -116,17 +116,13 @@ msgstr "Alt simge"
 
 #: src/buttons-advanced.ui:966
 msgid "const"
-msgstr ""
+msgstr "sabit"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
-msgstr ""
-"Bir dönem için bir varlığın doğrusal amortisman hesaplar. Amortisman "
-"doğrusal yöntem bir varlığın faydalı ömrü üzerinden eşit depreciable maliyet"
-" böler. Yararlı yaşam süreleri olan üzerinde bir varlıktır numarası, "
-"genellikle yıl, bir değer kaybetmiştir."
+msgstr "Bileşik Vade"
 
 #: src/buttons-financial.ui:28 src/buttons-financial.ui:211
 #: src/buttons-financial.ui:394 src/buttons-financial.ui:577
@@ -225,7 +221,7 @@ msgstr "_Maliyet:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Gelecek Değer"
 
@@ -255,7 +251,7 @@ msgstr "Dö_nemsel Özdeme:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Brüt Kar Marjı"
 
@@ -275,7 +271,7 @@ msgstr "_Marj:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Dönemsel Ödeme"
 
@@ -301,7 +297,7 @@ msgstr "_Temel:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Bugünki Değer"
 
@@ -317,7 +313,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Dönemsel Faiz Oranı"
 
@@ -429,7 +425,7 @@ msgstr "Fv"
 #. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
 #: src/buttons-financial.ui:2211
 msgid "Term"
-msgstr "Term"
+msgstr "Vade"
 
 #. Calculates the depreciation allowance on an asset for a specified period of
 #. time, using the Sum-Of-The-Years'-Digits method. This method of
@@ -483,7 +479,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Karakter Kodu Ekle"
 
@@ -533,7 +529,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Tercihler"
 
@@ -568,7 +564,7 @@ msgstr "_Binlik ayraçları göster"
 
 #: data/mate-calc.appdata.xml.in:7
 msgid "MATE Calc"
-msgstr "MATE Hesaplayıcı"
+msgstr "MATE Hesap Makinesi"
 
 #: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
@@ -580,9 +576,9 @@ msgid ""
 "scientific modes. It uses a multiple precision package to do its arithmetic "
 "to give a high degree of accuracy."
 msgstr ""
-"MATE Hesaplayıcı; finansal, mantıksal ve bilimsel kipleri bulunan güçlü bir "
-"grafik hesap makinesidir. Yüksek bir doğruluk seviyesi sağlamak amacıyla, "
-"aritmetiği için çoklu hassasiyet paketi kullanır."
+"MATE Hesap Makinesi; finansal, mantıksal ve bilimsel kipleri bulunan güçlü "
+"bir grafik hesap makinesidir. Yüksek bir doğruluk seviyesi sağlamak "
+"amacıyla, aritmetiği için çoklu hassasiyet paketi kullanır."
 
 #: data/mate-calc.appdata.xml.in:15
 msgid ""
@@ -590,16 +586,16 @@ msgid ""
 "If you would like to know more about MATE and MATE Calc, please visit the "
 "project's home page."
 msgstr ""
-"MATE Hesaplayıcı, GNOME Hesaplayıcının çatallamasıdır ve MATE Masaüstü "
-"Ortamı'nın bir parçasıdır. MATE ve MATE Hesaplayıcı hakkında daha fazla "
+"MATE Hesap Makinesi, GNOME Hesap Makinesinin çatallamasıdır ve MATE Masaüstü"
+" Ortamı'nın bir parçasıdır. MATE ve MATE Hesap Makinesi hakkında daha fazla "
 "bilgi edinmek isterseniz, lütfen projenin anasayfasını ziyaret ediniz."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Hesap Makinesi"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Hesap Makinesi"
 
@@ -611,7 +607,7 @@ msgstr "Aritmetik, bilimsel ve finansal hesaplamalar gerçekleştirir"
 #. localize the semicolons! The list MUST also end with a semicolon!
 #: data/mate-calc.desktop.in:13
 msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
-msgstr ""
+msgstr "MATE;hesap makinesi;hesap;bilim;aritmetik;finans;hesaplama;"
 
 #: data/org.mate.calc.gschema.xml:25
 msgid "Accuracy value"
@@ -623,7 +619,7 @@ msgstr "Virgülden sonra gösterilen hane sayısı"
 
 #: data/org.mate.calc.gschema.xml:31
 msgid "Word size"
-msgstr "Word boyutu"
+msgstr "Sözcük boyutu"
 
 #: data/org.mate.calc.gschema.xml:32
 msgid "The size of the words used in bitwise operations"
@@ -664,7 +660,7 @@ msgstr "Geçmişi Göster"
 
 #: data/org.mate.calc.gschema.xml:53
 msgid "Shows all recent calculations"
-msgstr ""
+msgstr "Tüm son hesaplamaları göster"
 
 #: data/org.mate.calc.gschema.xml:57
 msgid "Number format"
@@ -962,12 +958,12 @@ msgstr "Venezuela Bolivarı"
 msgid "South African Rand"
 msgstr "Güney Afrika Randı"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "Hata: Periyotların toplamı sıfırdan büyük olmalıdır"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -978,7 +974,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -995,7 +991,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1015,7 +1011,7 @@ msgstr ""
 "  --g-fatal-warnings              Tüm uyarıları ölümcül yapar"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1025,13 +1021,13 @@ msgstr ""
 "  -s, --solve <denklem>           Verilen denklemi çözer"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Argüman --solve çözmek için bir denklem gerektirir"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Bilinmeyen argüman '%s'"
@@ -1046,294 +1042,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Euler Sayıları"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Sanal birim"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Ondalık nokta"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Altsimge kipi [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Üstsimge kipi [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Bilimsel üs [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Topla [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Çıkart [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Çarp [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Böl [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Modül bölümü"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
-msgstr "Ek İşlevler"
+msgstr "Ek Fonksiyonlar"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
-msgstr ""
+msgstr "Ek sabitler"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Kuvvet (Üs) [^ ya da **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Kare [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Yüzde [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktöriyel [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Mutlak değer [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "Karmaşık değişken"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "Karmaşık eşlenik"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Kök [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Karekök [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logaritma"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Doğal Logaritma"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sinüs"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Kosinüs"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tanjant"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Hiperbolik Sinüs"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Hiperbolik Kosinüs"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Hiperbolik Tanjant"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "Ters Sinüs"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "Ters Kosinüs"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "Ters Tanjant"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Tersi [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Mantıksal VE"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Mantıksal VEYA"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "Mantıksal Özel VEYA"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "Mantıksal DEĞİL"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Tamsayı Bileşeni"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Kesirli Bileşen"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Gerçel Bileşen"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Sanal Bileşen"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Bir'in Tümleyeni"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "İki'nin Tümleyeni"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Yeni bir grup başlat [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Grubu sonlandır [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Sonucu Hesapla"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Çarpanlara Ayır [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Ekranı Temizle [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Geri Al [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Sola Kaydır [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Sağa Kaydır [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Çift Azalan Amortisman"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
-msgstr "Mali Terim"
+msgstr "Mali Vade"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Yılların-Toplamı Amortisman"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Doğrusal Amortisman"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
-msgstr "İkilik"
+msgstr "İkili"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Sekizlik"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Ondalık"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Onaltılık"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1342,7 +1348,7 @@ msgstr[1] "_%d basamak"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1350,188 +1356,188 @@ msgstr[0] "%d basamak"
 msgstr[1] "%d basamak"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Yuvarla"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Aşağı yuvarla"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Yukarı yuvarla"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "İşaret"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
-msgstr ""
+msgstr "Işık Hızı"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
-msgstr ""
+msgstr "299.792.458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
-msgstr ""
+msgstr "Manyetik sabit"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
-msgstr ""
+msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
-msgstr ""
+msgstr "Elektrik sabit"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
-msgstr ""
+msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
-msgstr ""
+msgstr "Newton sabiti yerçekimi"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
-msgstr ""
+msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
-msgstr ""
+msgstr "Planck sabiti"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
-msgstr ""
+msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
-msgstr ""
+msgstr "Temel yük"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
-msgstr ""
+msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
-msgstr ""
+msgstr "Elektron kütlesi"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
-msgstr ""
+msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
-msgstr ""
+msgstr "Proton kütlesi"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
-msgstr ""
+msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
-msgstr ""
+msgstr "Avogadro sabiti"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
-msgstr ""
+msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
-msgstr "şu birimde:"
+msgstr "kaç"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Dönüştürme birimlerini yer değiştir"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Geri al geçmişi yok"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Yineleme geçmişi yok"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Saklanacak mantıklı bir değer yok"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Taşma. Daha büyük bir word boyutu deneyin"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Bilinmeyen '%s' değişkeni"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "'%s' fonksiyonu tanımlı değil"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Bilinmeyen dönüşüm"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "'%s' jetonunda yanlış yapılandırılmış ifade"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Hatalı kurulan ifade"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Hesaplanıyor"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Çarpanlara ayırmak için bir tamsayıya ihtiyaç var"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Bit kaydırma için mantıklı bir değer yok"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Gösterilen değer tam sayı değil"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1539,107 +1545,117 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Derece"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Radyan"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Grad"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Otomatik"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Sabit"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Bilimsel"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Mühendislik"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "%d ondalık _hane göster"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Yardım dosyası açılamadı"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE Belgelendirme Projesi"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
 "Software Foundation; either version 2 of the License, or (at your option) "
 "any later version."
 msgstr ""
-"MATE Takvim özgür yazılımdır; Özgür Yazılım Vakfı tarafından yayınlanmış GNU"
-" Genel Kamu Lisansı'nın -Lisans'ın ikinci veya (size bağlı olarak) daha üstü"
-" versiyonları- koşulları altında yeniden dağıtabilir ve/veya "
-"değiştirebilirsiniz. "
+"MATE Hesap Makinesi özgür yazılımdır; Özgür Yazılım Vakfı tarafından "
+"yayınlanmış GNU Genel Kamu Lisansı'nın -Lisans'ın ikinci veya (size bağlı "
+"olarak) daha üstü versiyonları- koşulları altında yeniden dağıtabilir "
+"ve/veya değiştirebilirsiniz. "
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
 "or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for"
 " more details."
 msgstr ""
+"MATE Hesap Makinesi kullanışlı olması amacıyla dağıtılmıştır, ancak HİÇBİR "
+"GARANTİSİ YOKTUR; hatta SATILABİLİRLİK ya da BİR AMACA HİZMET gibi garantisi"
+" de yoktur. Daha fazla ayrıntı için GNU Genel Kamu Lisansı'na bakın."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
+"GNU Genel Kamu Lisansını MATE Hesap Makinesi ile birlikte almış olmalısınız,"
+" eğer almadıysanız lütfen Free Software Foundation, Inc., 51 Franklin "
+"Street, Fifth Floor, Boston, MA  02110-1301  USA adresine yazın"
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
+"Finansal ve bilimsel kiplere sahip hesap makinesi.\n"
+"GNU MPFR %s ve GNU MPC %s kullanır"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
-msgstr "MATE Takvim Hakkında"
+msgstr "MATE Hesap Makinesi Hakkında"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
+"Telif Hakkı © 1986–2010 The GCalctool yazarları\n"
+"Telif Hakkı © 2011-2021 MATE geliştiricileri"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "GNOME projesine katkıda bulunanlar:\n"
@@ -1654,113 +1670,113 @@ msgstr ""
 "Emre FIRAT <[email protected]>, 2013, 2014, 2015"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Hesap Makinesi"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "K_ip"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Görünüm"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Yardım"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Temel"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Gelişmiş"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Ekonomi"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Programlama"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
-msgstr ""
+msgstr "_Geçmiş"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "İçi_ndekiler"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopyala"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Y_apıştır"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Geri"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Tekrarla"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
-msgstr ""
+msgstr "Geçmişi _Temizle"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Tercihler"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Çık"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Hakkında"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Mantıksal VE, sadece pozitif tamsayılar için tanımlıdır"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Mantıksal VEYA, sadece pozitif tamsayılar için tanımlıdır"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Mantıksal Özel VEYA, sadece pozitif tamsayılar için tanımlıdır"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Mantıksal DEĞİL, sadece pozitif tamsayılar için tanımlıdır"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Kaydırma yalnız tamsayılar üzerinde yapılabilir"
 
@@ -1782,13 +1798,13 @@ msgstr "Sıfırın logaritması tanımsızdır"
 #. Translators: Error displayed when attempting to take zeroth root
 #: src/mp.c:434
 msgid "The zeroth root of a number is undefined"
-msgstr ""
+msgstr "Bir sayının sıfırıncı kökü tanımsızdır"
 
 #. Translators: Error displayed when attempted take the factorial of a
 #. negative or complex number
 #: src/mp.c:474
 msgid "Factorial is only defined for non-negative real numbers"
-msgstr ""
+msgstr "Faktöriyel sadece negatif olmayan gerçek sayılar için tanımlanır"
 
 #. Translators: Error displayed when attemping to do a modulus division on
 #. non-integer numbers
@@ -1807,15 +1823,15 @@ msgstr "Negatif bir üs için sıfırın kuvveti tanımsızdır"
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
 msgid "The error function is only defined for real numbers"
-msgstr ""
+msgstr "Hata fonksiyonu sadece gerçek sayılar için tanımlıdır"
 
 #. Translators: Error displayed when zeta function value is undefined
 #: src/mp.c:632
 msgid "The Riemann zeta function is only defined for real numbers ≠1"
-msgstr ""
+msgstr "Riemann zeta fonksiyonu yalnızca ≠1 gerçek sayılar için tanımlıdır"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
@@ -1824,760 +1840,760 @@ msgstr ""
 "değildir"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "[-1, 1] aralığı dışındaki değerler için ters sinüs tanımlı değildir"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "[-1, 1] aralığı dışındaki değerler için ters kosinüs tanımlı değildir"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
-msgstr ""
+msgstr "Arctanjant fonksiyonu, i ve -i değerleri için tanımsızdır"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "Birden küçük değerler için ters hiperbolik kosinüs tanımsızdır"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
-msgstr ""
+msgstr "Ters hiperbolik tanjant (-1, 1) dışındaki değerler için tanımsızdır"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s derece"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "derece,derece,der"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radyan"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radyan,radyan,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s grad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "grad,grad,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsek"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsek,parsek,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Işık Yılı"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
-msgstr "ışıkyılı,ışıkyılı,ly"
+msgstr "ışık yılı,ışıkyılı,ışıkyılı,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Astronomik Birimler"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Deniz Mili"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Mil"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mil, mil, mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometre"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometre,kilometre,km,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Gomina"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "gomina,gomina,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Kulaç"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "kulaç,kulaç,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metre"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "metre,metre,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Yarda"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yarda,yarda,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Ayak"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "ayak,ayak,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "İnç"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inç,inç,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Santimetre"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "santimetre,santimetre,cm,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Milimetre"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "milimetre,milimetre,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometre"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "mikrometre,mikrometre,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometre"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometre,nanometre,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hektar"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hektar,hektar,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Dönüm"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s dönüm"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
-msgstr "dönüm,dönüm"
+msgstr "akre,akreler"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metrekare"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Santimetrekare"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Milimetrekare"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metreküp"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Galon"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "galon,galon,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litre"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litre,litre,litre,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Kuart"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "kuart,kuart,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Pint"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pint,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Millilitre"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mililitre,mililitre,mililitre,mililitre,mililitre,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Mikrolitre"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Ton"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "ton,ton"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogram"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilogram,kilogram,kilogram,kg,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Pound"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound,pound,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Ons"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ons,ons,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gram"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,gram,gram,gram,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Yıl"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s yıl"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "yıl,yıl"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Gün"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s gün"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "gün,gün"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Saat"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s saat"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "saat,saat"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Dakika"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s dakika"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "dakika,dakika"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Saniye"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "saniye,saniye,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Milisaniye"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "milisaniye,milisaniye,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Mikrosaniye"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "mikrosaniye,mikrosaniye,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Santigrat"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "derece santigrat,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Fahrenhayt"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "derece fahrenhayt,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Rankin"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Açı"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Uzunluk"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Alan"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Ses Düzeyi"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Ağırlık"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Süre"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Sıcaklık"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Para Birimi"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s%s"
diff --git a/po/tt.po b/po/tt.po
index 77ee9a3..a19a41d 100644
--- a/po/tt.po
+++ b/po/tt.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Tatar (https://www.transifex.com/mate/teams/13566/tt/)\n"
+"Language-Team: Tatar (https://app.transifex.com/mate/teams/13566/tt/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1280,195 +1290,195 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1476,63 +1486,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1540,7 +1550,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1548,142 +1558,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Küreneş"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Yärdäm"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Eçtälek"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "İs_kä al:"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Ös_tä"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Kire _al"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Kire _quy"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Çığış"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Turında"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1738,767 +1748,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/ug.po b/po/ug.po
index 895b352..d588131 100644
--- a/po/ug.po
+++ b/po/ug.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Uyghur (https://www.transifex.com/mate/teams/13566/ug/)\n"
+"Language-Team: Uyghur (https://app.transifex.com/mate/teams/13566/ug/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "ئەسلەك"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "تەكرار ئۆسۈم مۇددىتى"
 
@@ -210,7 +210,7 @@ msgstr "تەننەرخ(_C)"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "كەلگۈسى قىممىتى"
 
@@ -238,7 +238,7 @@ msgstr "قەرەللىك قايتۇرۇش(_P):"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "ئومۇمىي پايدا نىسبىتى"
 
@@ -258,7 +258,7 @@ msgstr "پايدا(_M)"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "قەرەللىك قايتۇرۇش"
 
@@ -282,7 +282,7 @@ msgstr "دەسمايە(_P):"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "نۆۋەتتىكى قىممەت"
 
@@ -296,7 +296,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "قەرەللىك ئۆسۈم نىسبىتى"
 
@@ -449,7 +449,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "ھەرپ كودى قىستۇرۇش"
 
@@ -499,7 +499,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "مايىللىق"
 
@@ -554,12 +554,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "ھېسابلىغۇچ"
 
@@ -920,12 +920,12 @@ msgstr "ۋېنېزۇئېلا بولىۋارى"
 msgid "South African Rand"
 msgstr "جەنۇبىي ئافرىقا راندى"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "خاتا: قەرەلى چوقۇم مۇسبەت سان بولسۇن"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -936,7 +936,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -953,7 +953,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -973,7 +973,7 @@ msgstr ""
 "--g-fatal-warnigs ھەممە ئاگاھلاندۇرۇشلار خەتەرگە ئايلىنىدۇ"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -983,13 +983,13 @@ msgstr ""
 "  -s, --solve <تەڭلىمە>          تەڭلىمىنى يېشىدۇ"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "نامەلۇم ئارگۇمېنت ‹%s›"
@@ -1004,294 +1004,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "ئېۋلېر سانى"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "ئاستى ئىندېكس ھالىتى[Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "ئۈستى ئىندېكس ھالىتى[Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "قوشۇش [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "ئېلىش[-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "كۆپەيتىش[*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "بۆلۈش[/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "قالدۇقنى ھېسابلاش"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "قوشۇمچە فۇنكسىيىلەر"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "دەرىجە[^ or **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "كۋادرات[Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "پىرسەنت[%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "فاكتورىئال[!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "مۇتلەق قىممىتى [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "يىلتىز[Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "كۋادرات يىلتىز[Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "لوگارىفما"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "تەبىئىي لوگارىفما"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "سىنۇس"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "كوسىنوس"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "تانگېنس"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "گىپېربولالىق سىنۇس"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "گىپېربولالىق كوسىنوس"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "گىپېربولالىق تانگېنس"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "ئەكسى [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "لوگىكىلىق AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "لوگىكىلىق OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "لوگىكىلىق غەيرىي OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "لوگىكىلىق NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "پۈتۈن سان قىسمى"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "كەسىر سان قىسمى"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "ھەقىقىي سان قىسمى"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "مەۋھۇم سان قىسمى"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "گۇرۇپپا بېشى [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "گۇرۇپپا ئاخىرى [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "ھېسابلاش نەتىجىسى"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "ئېكراننى تازىلاش [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "يېنىۋېلىش [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "ئىقتىسادىي ئاتالغۇ"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "ئىككىلىك"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "سەككىزلىك"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "ئونلۇق كەسىر"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "ئون ئالتىلىك سان"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1300,7 +1310,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1308,188 +1318,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "پۈتۈن سان"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "پۈتۈنلەش"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "ئىمزا"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " دىيۇيم "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "ئايلاندۇرۇش بىرلىكىنى ئالماشتۇرۇش"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "يېنىۋېلىش تارىخى يوق"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "قايتىلاش تارىخى يوق"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "قويىدىغان قىممەت توغرا ئەمەس"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "تېشىپ كەتتى. چوڭراق word ئۇزۇنلۇقىنى تاللاڭ"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "نامەلۇم ئۆزگەرگۈچى ‹%s›"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "فۇنكسىيە '%s' ئېنىقلانمىغان"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "نامەلۇم ئايلاندۇرۇش"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "قۇرۇلمىسى خاتا ئىپادە"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "ھېسابلاۋاتىدۇ"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "پۈتۈن ساندىن باشقىنى كۆرسىتىدۇ"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0،1،2،3،4،5،6،7،8،9،A،B،C،D،E،F"
 
@@ -1497,63 +1507,63 @@ msgstr "0،1،2،3،4،5،6،7،8،9،A،B،C،D،E،F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "گرادۇس"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "رادىئان"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "ئاپتوماتىك"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "مۇقىم"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "پەن-تېخنىكا"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "ئىنژېنېرلىق ئىلمى"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "چېكىتنىڭ كەينىدىن %d خانە كۆرسىتىش(_P)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "ياردەم ھۆججىتىنى ئاچقىلى بولمىدى"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1561,7 +1571,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1569,31 +1579,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Gheyret Kenji <[email protected]>\n"
@@ -1607,113 +1617,113 @@ msgstr ""
 "  Sahran https://launchpad.net/~sahran"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "كۆرۈش(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "ياردەم(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "مەزمۇن(_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "كۆچۈر(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "چاپلا(_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "يېنىۋال(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "تەكرارلا(_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "مايىللىق(_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "ئاخىرلاشتۇرۇش(_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "ھەققىدە(_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "لوگىكىلىق AND دە پەقەت مۇسبەت پۈتۈن سانلارنىلا ئىشلىتىشكە بولىدۇ"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "لوگىكىلىق OR دا پەقەت مۇسبەت پۈتۈن سانلارنىلا ئىشلىتىشكە بولىدۇ"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "لوگىكىلىق XOR دا پەقەت مۇسبەت پۈتۈن سانلارنىلا ئىشلىتىشكە بولىدۇ"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "لوگىكىلىق NOT دا پەقەت مۇسبەت پۈتۈن سانلارنىلا ئىشلىتىشكە بولىدۇ"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "يۆتكەش مەشغۇلاتىدا پەقەت سانلارنىلا ئىشلىتىشكە بولىدۇ"
 
@@ -1768,767 +1778,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "تەتۈر سىنۇستا قىممەت چوقۇم [-1،1] ئارىسىدا بولۇشى كېرەك"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "تەتۈر كوسىنۇستا قىممەت چوقۇم [-1،1] ئارىسىدا بولۇشى كېرەك"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s گرادۇس"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degree,degrees,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s رادىئان"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "نۇر يىلى"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "ئاسترونومىيە بىرلىكلىرى"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "دېڭىز مىلى"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "ئىنگلىز مىلى"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "كىلومېتىر"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometers,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "مېتىر"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meters,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "يارد"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot,feet,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "دىيۇيم"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "سانتىمېتىر"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimeters,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "مىللىمېتىر"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,millimeters,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "مىكرومېتىر"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometer,micrometers,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "نانومېتىر"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometers,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "گېكتار"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "ئىنگلىز موسى"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "كۋادرات مېتىر"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "كۋادرات سانتىمېتىر"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "كۋادرات مىللىمېتىر"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "كۈپ مېتىر"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "گاللون"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "لىتىر"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,liter,liters,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "كۇئارت"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "پاينت"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "مىللىلىتىر"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "مىكرولىتىر"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "توننا"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonne,tonnes"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "كىلوگرام"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "قاداق"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound,pounds,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "ئۇنسىيە"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "گرام"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,gramme,grammes,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "يىل"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "year,years"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "كۈن"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s days"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "day,days"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "سائەت"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hours"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hour,hours"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "مىنۇت"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s مىنۇت"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute,minutes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "سېكۇنت"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "second,seconds,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "مىللىسېكۇنت"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond,milliseconds,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "مىكروسېكۇنت"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecond,microseconds,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "سېلسىيە گرادۇس"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "فارېنگېيت"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "كېلۋىن"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "رانكىن تېمپېراتۇرىسى"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "بۇلۇڭ"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "ئۇزۇنلۇقى"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "دائىرە"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "ئاۋاز مىقدارى"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "ئېغىرلىق"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "ۋاقتى"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "تېمپېراتۇرا"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "پۇل"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/uk.po b/po/uk.po
index c1ac7db..534ddd9 100644
--- a/po/uk.po
+++ b/po/uk.po
@@ -4,20 +4,20 @@
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
 # 
 # Translators:
-# Шаповалов Анатолій Романович <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2019
 # zubr139, 2019
 # Vlad - <[email protected]>, 2019
-# Микола Ткач <[email protected]>, 2021
+# Микола Ткач <[email protected]>, 2022
+# Sergiy <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Микола Ткач <[email protected]>, 2021\n"
-"Language-Team: Ukrainian (https://www.transifex.com/mate/teams/13566/uk/)\n"
+"Last-Translator: Sergiy <[email protected]>, 2022\n"
+"Language-Team: Ukrainian (https://app.transifex.com/mate/teams/13566/uk/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -55,7 +55,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Пам'ять"
 
@@ -68,7 +68,7 @@ msgstr "Експонента"
 #: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
 #: src/buttons-financial.ui:2357
 msgid "Undo"
-msgstr "Скасувати"
+msgstr "Повернути"
 
 #: src/buttons-advanced.ui:663
 msgid "asin"
@@ -90,7 +90,7 @@ msgstr "Зап"
 #. Accessible name for the inverse button
 #: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
-msgstr "Спротилежнення"
+msgstr "Обернути"
 
 #. Accessible name for the factorial button
 #: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
@@ -100,7 +100,7 @@ msgstr "Факторіал"
 #. Accessible name for the absolute value button
 #: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
-msgstr "Цілковите значення"
+msgstr "Модуль"
 
 #. Accessible name for the superscript mode button
 #: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
@@ -118,9 +118,9 @@ msgstr "Константа"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
-msgstr "Термін складного відсотка"
+msgstr "Складні відсотки"
 
 #: src/buttons-financial.ui:28 src/buttons-financial.ui:211
 #: src/buttons-financial.ui:394 src/buttons-financial.ui:577
@@ -156,8 +156,8 @@ msgid ""
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
-"Обчислює кількість періодів приросту, потрібних для збільшення поточних "
-"інвестицій у майбутні, при фіксованій відсотковій ставці за період приросту."
+"Обчислює кількість періодів приросту, потрібних для збільшення наявної суми "
+"до бажаної суми з фіксованою відсотковою ставкою за період приросту."
 
 #. Compounding Term Dialog: Label before periodic interest rate input
 #. Future Value Dialog: Label before periodic interest rate input
@@ -168,19 +168,19 @@ msgstr ""
 #: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
 #: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
-msgstr "Ставка відсотка за пе_ріод"
+msgstr "Відсоткова ставка за пе_ріод:"
 
 #. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
 #: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
-msgstr "_Майбутня сума:"
+msgstr "_Бажана сума:"
 
 #. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
 #: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
-msgstr "Поточна _вартість:"
+msgstr "Наявна _сума:"
 
 #. Title of Double-Declining Depreciation dialog
 #: src/buttons-financial.ui:191
@@ -194,7 +194,7 @@ msgid ""
 "time, using the double-declining balance method."
 msgstr ""
 "Обчислює амортизацію ресурсу впродовж вказаного періоду часу використовуючи "
-"метод подвійного зменшення залишку."
+"метод подвійної амортизації балансу."
 
 #. Double-Declining Depreciation Dialog: Label before life input
 #. Straight-Line Depreciation Dialog: Label before life input
@@ -214,13 +214,13 @@ msgstr "_Період:"
 #. Gross Profit Margin Dialog: Label before cost input
 #: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
-msgstr "_Ціна:"
+msgstr "_Вартість:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
-msgstr "Майбутня сума"
+msgstr "Бажана сума"
 
 #. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
@@ -235,9 +235,9 @@ msgid ""
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
-"Обчислює майбутню вартість інвестицій, яка базується на ряді однакових "
-"платежів при періодичній відсотковій ставці для кількости платіжних етапів "
-"впродовж заданого терміну."
+"Обчислює майбутню вартість інвестицій на підставі послідовності однакових "
+"платежів з періодичною відсотковою ставкою для певної кількості платіжних "
+"періодів впродовж заданого терміну."
 
 #. Future Value Dialog: Label before periodic payment input
 #. Present Value Dialog: Label before periodic payment input
@@ -249,7 +249,7 @@ msgstr "_Регулярні платежі:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Коефіцієнт валового прибутку"
 
@@ -259,17 +259,17 @@ msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
-"Обчислює вартість перепродажу продукту, залежно від його ціни та бажаної "
-"рентабельности."
+"Обчислює вартість перепродажу товару залежно від його вартості та бажаного "
+"коефіцієнта валового прибутку."
 
 #. Gross Profit Margin Dialog: Label before margin input
 #: src/buttons-financial.ui:684
 msgid "_Margin:"
-msgstr "_Запас:"
+msgstr "_Маржа:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Регулярні платежі"
 
@@ -279,25 +279,25 @@ msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
-"Обчислює кількість періодичної оплати позики, де платежі робляться у кінці "
-"кожного періоду оплати."
+"Обчислює розмір періодичної оплати позики, де платежі виконуються у кінці "
+"кожного платіжного періоду."
 
 #. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
 #: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
-msgstr "_Т.опл:"
+msgstr "_Період:"
 
 #. Periodic Payment Dialog: Label before principal input
 #: src/buttons-financial.ui:867
 msgid "_Principal:"
-msgstr "_Принциповий:"
+msgstr "_Основа:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
-msgstr "Поточна вартість:"
+msgstr "Поточна сума:"
 
 #. Present Value Dialog: Description of calculation
 #: src/buttons-financial.ui:963
@@ -306,15 +306,15 @@ msgid ""
 "payments discounted at a periodic interest rate over the number of payment "
 "periods in the term. "
 msgstr ""
-"Обчислює поточну вартість інвестицій, яка базується на ряді однакових "
-"платежів при періодичній відсотковій ставці для кількости платіжних етапів "
+"Обчислює поточну вартість інвестицій, основану на послідовності однакових "
+"платежів з періодичною відсотковою ставкою для кількості платіжних періодів "
 "впродовж заданого терміну."
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
-msgstr "Ставка відсотка за період"
+msgstr "Періодична відсоткова ставка"
 
 #. Periodic Interest Rate Dialog: Description of calculation
 #: src/buttons-financial.ui:1147
@@ -322,8 +322,8 @@ msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
-"Обчислює періодичну ставку, на яку зростає майбутня вартість інвестицій, "
-"впродовж вказаних періодів приросту."
+"Обчислює періодичну ставку, необхідну для збільшення інвестицій до бажаної "
+"суми впродовж вказаної кількості періодів нарахування."
 
 #. Title of Straight-Line Depreciation dialog
 #: src/buttons-financial.ui:1262
@@ -334,13 +334,13 @@ msgstr "Лінійна амортизація"
 #. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
 #: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
-msgstr "_Ціна:"
+msgstr "_Вартість:"
 
 #. Straight-Line Depreciation Dialog: Label before salvage input
 #. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
 #: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
-msgstr "_Порятунок:"
+msgstr "_Залишкова вартість:"
 
 #. Straight-Line Depreciation Dialog: Description of calculation
 #: src/buttons-financial.ui:1418
@@ -350,16 +350,15 @@ msgid ""
 "over the useful life of an asset. The useful life is the number of periods, "
 "typically years, over which an asset is depreciated. "
 msgstr ""
-"Обчислює величину витрат на амортизацію власности методом лінійного "
-"(пропорційного) списування за один період. Цей метод ділить вартість "
-"амортизаційних витрат порівну між усіма етапами терміну використання. "
-"Терміном використання називається кількість періодів, зазвичай років, "
-"впродовж якого власність знецінюється."
+"Обчислює рівномірну амортизацію ресурсу за один період. Цей метод ділить "
+"вартість амортизаційних витрат порівну між усіма періодами строку "
+"експлуатації ресурсу. Строком експлуатації називається кількість періодів, "
+"зазвичай років, впродовж яких ресурс амортизується."
 
 #. Title of Sum-of-the-Years'-Digits Depreciation dialog
 #: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
-msgstr "Амортизація Сума-Років-Цифр"
+msgstr "Річна амортизація"
 
 #. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
 #: src/buttons-financial.ui:1631
@@ -370,21 +369,21 @@ msgid ""
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
-"Обчислити амортизацію ресурсу за допомогою методу Сума-Років-Цифр за "
-"вказаний період часу. Цей метод оцінки старости враховує пришвидшення "
-"амортизації, тобто вартість у ранній період більша, ніж у пізніший. Корисне "
-"життя ресурсу — це число періодів, зазвичай років, впродовж яких ресурс "
-"застаріває."
+"Обчислює відрахування на амортизацію ресурсу за вказаний період часу, "
+"використовуючи метод річної амортизації. Цей метод амортизації враховує "
+"пришвидшення амортизації, тобто вартість у ранній період більша, ніж у "
+"пізніший. Строк експлуатації ресурсу — це кількість періодів, зазвичай "
+"років, впродовж яких ресурс амортизується."
 
 #. Title of Payment Period dialog
 #: src/buttons-financial.ui:1659
 msgid "Payment Period"
-msgstr "Термін оплати"
+msgstr "Період оплати"
 
 #. Payment Period Dialog: Label before future value input
 #: src/buttons-financial.ui:1785
 msgid "Future _Value:"
-msgstr "Майбутня _сума:"
+msgstr "Бажана _сума:"
 
 #. Payment Period Dialog: Description of calculation
 #: src/buttons-financial.ui:1815
@@ -393,9 +392,8 @@ msgid ""
 "of an ordinary annuity, to accumulate a future value, at a periodic interest"
 " rate."
 msgstr ""
-"Обчислює кількість платіжних періодів, потрібних впродовж терміну звичайної "
-"ренти, для накопичення майбутньої вартости для періодичної відсоткової "
-"ставки."
+"Обчислює кількість періодів оплати, потрібних впродовж терміну дії звичайної"
+" ренти для накопичення бажаної суми зі строковою відсотковою ставкою."
 
 #. Calculates the number of compounding periods necessary to increase an
 #. investment of present value pv to a future value of fv, at a fixed interest
@@ -403,7 +401,7 @@ msgstr ""
 #. http://en.wikipedia.org/wiki/Compound_interest
 #: src/buttons-financial.ui:2166
 msgid "Ctrm"
-msgstr "Тсв"
+msgstr "Псв"
 
 #. Calculates the depreciation allowance on an asset for a specified period of
 #. time, using the double-declining balance method. See also:
@@ -418,7 +416,7 @@ msgstr "Пна"
 #. http://en.wikipedia.org/wiki/Future_value
 #: src/buttons-financial.ui:2196
 msgid "Fv"
-msgstr "Мсум"
+msgstr "Бсум"
 
 #. Calculates the number of payment periods that are necessary during the term
 #. of an ordinary annuity, to accumulate a future value of fv, at a periodic
@@ -426,7 +424,7 @@ msgstr "Мсум"
 #. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
 #: src/buttons-financial.ui:2211
 msgid "Term"
-msgstr "Т.опл"
+msgstr "П.опл."
 
 #. Calculates the depreciation allowance on an asset for a specified period of
 #. time, using the Sum-Of-The-Years'-Digits method. This method of
@@ -437,7 +435,7 @@ msgstr "Т.опл"
 #. http://en.wikipedia.org/wiki/Depreciation
 #: src/buttons-financial.ui:2226
 msgid "Syd"
-msgstr "Ам.сум.рок"
+msgstr "Річ.ам."
 
 #. Calculates the straight-line depreciation of an asset for one period. The
 #. depreciable cost is cost - salvage. The straight-line method of
@@ -447,7 +445,7 @@ msgstr "Ам.сум.рок"
 #. http://en.wikipedia.org/wiki/Depreciation
 #: src/buttons-financial.ui:2241
 msgid "Sln"
-msgstr "Рна"
+msgstr "Лін.ам."
 
 #. Calculates the periodic interest necessary to increase an investment of
 #. present value pv to a future value of fv, over the number of compounding
@@ -480,7 +478,7 @@ msgstr "Квп"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Вставити код символу"
 
@@ -497,12 +495,12 @@ msgstr "_Символ:"
 #. Accessible name for the shift left button
 #: src/buttons-programming.ui:2477
 msgid "Shift Left"
-msgstr "Зсув ліворуч"
+msgstr "Зсув вліво"
 
 #. Accessible name for the shift right button
 #: src/buttons-programming.ui:2526
 msgid "Shift Right"
-msgstr "Зсув праворуч"
+msgstr "Зсув вправо"
 
 #. Accessible name for the insert character button
 #: src/buttons-programming.ui:2756
@@ -512,27 +510,27 @@ msgstr "Вставити символ"
 #. Word size combo: 8 bits
 #: src/preferences.ui:40
 msgid "8-bit"
-msgstr "8-и бітовий"
+msgstr "8-біт"
 
 #. Word size combo: 16 bits
 #: src/preferences.ui:44
 msgid "16-bit"
-msgstr "16-и бітовий"
+msgstr "16-біт"
 
 #. Word size combo: 32 bits
 #: src/preferences.ui:48
 msgid "32-bit"
-msgstr "32-ох бітовий"
+msgstr "32-біт"
 
 #. Word size combo: 64 bits
 #: src/preferences.ui:52
 msgid "64-bit"
-msgstr "64-ох бітовий"
+msgstr "64-біт"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
-msgstr "Налаштування"
+msgstr "Параметри"
 
 #: src/preferences.ui:80
 msgid "_Close"
@@ -541,7 +539,7 @@ msgstr "_Закрити"
 #. Preferences dialog: Label for angle unit combo box
 #: src/preferences.ui:112
 msgid "_Angle units:"
-msgstr "Одиниця _кута:"
+msgstr "Одиниці _кута:"
 
 #. Preferences dialog: Label for display format combo box
 #: src/preferences.ui:126
@@ -556,7 +554,7 @@ msgstr "_Розмір слова:"
 #. Preferences dialog: label for show trailing zeroes check button
 #: src/preferences.ui:199
 msgid "Show trailing _zeroes"
-msgstr "Показувати завершальні _нулі"
+msgstr "Показувати _нулі в кінці"
 
 #. Preferences dialog: label for show thousands separator check button
 #: src/preferences.ui:215
@@ -565,11 +563,11 @@ msgstr "Показувати розділювач _тисячних"
 
 #: data/mate-calc.appdata.xml.in:7
 msgid "MATE Calc"
-msgstr "MATE Рахівник"
+msgstr "Калькулятор MATE"
 
 #: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
-msgstr "Рахівник стільниці MATE"
+msgstr "Калькулятор MATE"
 
 #: data/mate-calc.appdata.xml.in:10
 msgid ""
@@ -577,9 +575,9 @@ msgid ""
 "scientific modes. It uses a multiple precision package to do its arithmetic "
 "to give a high degree of accuracy."
 msgstr ""
-"MATE Calc — це потужний графічний рахівник з економічним, логічним і "
-"науковим режимами. Він використовує пакунок повторюваних операцій, щоб "
-"додати розрахункам більшої точности."
+"Калькулятор MATE — це потужний графічний калькулятор з фінансовим, логічним "
+"та науковим режимами. Він використовує пакет з підвищеною точністю, роблячи "
+"розрахунки найбільш точними."
 
 #: data/mate-calc.appdata.xml.in:15
 msgid ""
@@ -587,28 +585,28 @@ msgid ""
 "If you would like to know more about MATE and MATE Calc, please visit the "
 "project's home page."
 msgstr ""
-"MATE Calc є відгалуженням(форком) GNOME Calc і частиною оточення стільниці "
-"MATE. Якщо ви хочете дізнатися більше про MATE, чи MATE Calc, будь ласка, "
-"відвідайте домашню сторінку проєкту."
+"Калькулятор MATE — відгалуження (форк) Калькулятора GNOME і частина "
+"графічного середовища MATE. Якщо ви хочете дізнатися більше про MATE чи про "
+"Калькулятор MATE, відвідайте, будь ласка, домашню сторінку проєкту."
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
-msgstr "Рахівник MATE"
+msgstr "Калькулятор MATE"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
-msgstr "Рахівник"
+msgstr "Калькулятор"
 
 #: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
-msgstr "Виконання арифметичних, наукових, чи фінансових розрахунків"
+msgstr "Виконання арифметичних, наукових чи фінансових розрахунків"
 
 #. Translators: Search terms to find this application. Do NOT translate or
 #. localize the semicolons! The list MUST also end with a semicolon!
 #: data/mate-calc.desktop.in:13
 msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
-msgstr "рахівник;MATE;наукові;арифметичні;фінансові;розрахунки;"
+msgstr "калькулятор;MATE;наукові;арифметичні;фінансові;розрахунки;"
 
 #: data/org.mate.calc.gschema.xml:25
 msgid "Accuracy value"
@@ -640,7 +638,7 @@ msgstr "Показувати роздільник тисячних"
 
 #: data/org.mate.calc.gschema.xml:43
 msgid "Indicates whether thousands separators are shown in large numbers."
-msgstr "Показує, що розділювачі тисяч показуються у великих числах"
+msgstr "Показує чи виводяться розділювачі тисяч у великих числах"
 
 #: data/org.mate.calc.gschema.xml:47
 msgid "Show Trailing Zeroes"
@@ -650,11 +648,11 @@ msgstr "Показувати завершальні нулі"
 msgid ""
 "Indicates whether any trailing zeroes after the numeric point should be "
 "shown in the display value."
-msgstr "Показує чи виводяться нулі після двійкової коми."
+msgstr "Показує чи виводяться кінцеві нулі після двійкової коми."
 
 #: data/org.mate.calc.gschema.xml:52
 msgid "Show History"
-msgstr "Показати дієпис"
+msgstr "Показати історію"
 
 #: data/org.mate.calc.gschema.xml:53
 msgid "Shows all recent calculations"
@@ -686,7 +684,7 @@ msgstr "Режим кнопок"
 
 #: data/org.mate.calc.gschema.xml:72
 msgid "Source currency"
-msgstr "Джерело валюти"
+msgstr "Валюта-джерело"
 
 #: data/org.mate.calc.gschema.xml:73
 msgid "Currency of the current calculation"
@@ -702,19 +700,19 @@ msgstr "Валюта, у яку перетворюються поточні ро
 
 #: data/org.mate.calc.gschema.xml:82
 msgid "Source units"
-msgstr "Джерело одиниць"
+msgstr "Одиниці джерела"
 
 #: data/org.mate.calc.gschema.xml:83
 msgid "Units of the current calculation"
-msgstr "Одиниці поточних обрахунків"
+msgstr "Одиниці поточних обчислень"
 
 #: data/org.mate.calc.gschema.xml:87
 msgid "Target units"
-msgstr "Одиниці-мета"
+msgstr "Одиниці мети"
 
 #: data/org.mate.calc.gschema.xml:88
 msgid "Units to convert the current calculation into"
-msgstr "Одиниці, у які буде перетворено поточні обрахунки "
+msgstr "Одиниці, у які будуть перетворені поточні обчислення "
 
 #: src/currency-manager.c:30
 msgid "UAE Dirham"
@@ -956,12 +954,12 @@ msgstr "Венесуельський болівар"
 msgid "South African Rand"
 msgstr "Південноафриканський ранд"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
-msgstr "Помилка: кількість періодів має бути додатньою"
+msgstr "Помилка: кількість періодів повинна бути додатною"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -972,7 +970,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -989,7 +987,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -1009,7 +1007,7 @@ msgstr ""
 "  --g-fatal-warnings              Зробити усі попередження критичними"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1019,16 +1017,16 @@ msgstr ""
 "  -s, --solve <equation>          Обчислити вираз"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
-msgstr "Для арґументу --solve треба вказати вираз для обчислення"
+msgstr "Для аргументу --solve треба вказати вираз для обчислення"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
-msgstr "Невідомий аргумент «%s»"
+msgstr "Невідомий аргумент \"%s\""
 
 #. Tooltip for the Pi button
 #: src/math-buttons.c:93
@@ -1040,294 +1038,304 @@ msgstr "Пі [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Число Ейлера"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "Уявна одиниця"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "Десяткова крапка"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Нижній індекс [Alt+цифра]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
-msgstr "Верхній індекс [Alt+цифра]"
+msgstr "Верхній індекс [Ctrl+цифра]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Наукова експонента [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Додати [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Відняти [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Помножити [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Поділити [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
-msgstr "Залишок від цілочислового ділення"
+msgstr "Залишок від ділення"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Додаткові функції"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "Додаткові константи"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Експонента [^ або **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Квадрат [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
-msgstr "Відсоток  [%]"
+msgstr "Відсоток [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Факторіал [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
-msgstr "Цілковите значення [|]"
+msgstr "Модуль [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
-msgstr "Комплексний арґумент"
+msgstr "Комплексний аргумент"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
-msgstr "Комплексне відмінювання"
+msgstr "Пошук спряженого числа "
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "Корінь [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Квадратний корінь [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
-msgstr "Лоґарифм"
+msgstr "Логарифм"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
-msgstr "Натуральний лоґарифм"
+msgstr "Натуральний логарифм"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Синус"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Косинус"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
-msgstr "Танґенс"
+msgstr "Тангенс"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Гіперболічний синус"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Гіперболічний косинус"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
-msgstr "Гіперболічний танґенс"
+msgstr "Гіперболічний тангенс"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
-msgstr "Спротилежнити синус"
+msgstr "Арксинус"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
-msgstr "Спротилежнити косинус"
+msgstr "Арккосинус"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
-msgstr "Спротилежнити танґенс"
+msgstr "Арктангенс"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
-msgstr "Спротилежнення [Ctrl+I]"
+msgstr "Обернути [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "Логічне ТА"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "Логічне АБО"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
-msgstr "Булове виняткове АБО"
+msgstr "Логічне виключне АБО"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
-msgstr "Булове НІ"
+msgstr "Логічне НІ"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
-msgstr "Цілий компонент"
+msgstr "Ціла складова"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
-msgstr "Дробовий компонент"
+msgstr "Дробова складова"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
-msgstr "Дійсна частина"
+msgstr "Дійсна складова"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
-msgstr "Припустимий компонент"
+msgstr "Уявна складова"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Однорозрядне доповнення"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Дворозрядне доповнення"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Початок групи [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Кінець групи [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Обчислити результат"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Розкласти на множники [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Очистити екран [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Повернути [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "Зсунути вліво [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "Зсунути вправо [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Подвійне нарахування амортизації"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "Фінансові терміни"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Амортизація суми чисел року"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Лінійна амортизація"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Двійкова"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Вісімкова"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Десяткова"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Шістнадцяткова"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1338,7 +1346,7 @@ msgstr[3] "_%d розрядів"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1348,188 +1356,188 @@ msgstr[2] "%d розрядів"
 msgstr[3] "%d розрядів"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Коло"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Підлога"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Стеля"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Знак"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "Швидкість світла"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "Магнітна константа"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "Електрична константа"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "Стала Ньютона для гравітації"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "Стала Планка"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "Елементарний заряд"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "Маса електрона"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "Маса протона"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "Константа Авогадро"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " в"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Змінити одиницю перетворення"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Немає історії повернень"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Немає історії повторень"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Немає нормального значення для зберігання"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Переповнення. Спробуйте більший розмір слова"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Невідома змінна «%s»"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "Функція «%s» не визначена"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Невідоме перетворення"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "Некоректний вираз: лексема «%s»"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Неправильний вираз"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Обчислення"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Для розкладання на множники вкажіть ціле число"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Немає нормального значення для побітового зсуву"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "Показане значення не є цілим числом"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1537,111 +1545,111 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Градуси"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "Радіани"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Гради"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Самочинно"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Виправлено"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Науковий"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Інженерний"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Показати _місця десяткового %d"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Не вдається відкрити файл довідки"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Сун Мікросістемс"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "Команда документування MATE"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
 "Software Foundation; either version 2 of the License, or (at your option) "
 "any later version."
 msgstr ""
-"MATE Рахівник — це безкоштовне програмне забезпечення; ви можете "
-"розповсюджувати його та/чи змінювати відповідно до умов Загальної публічної "
-"ліцензії GNU, оголошених Фундацією вільного програмного забезпечення; або "
-"версії 2 Ліцензії, чи (за вашим бажанням) будь-якої пізнішої версії."
+"Калькулятор MATE — це безкоштовне програмне забезпечення; Ви можете "
+"розповсюджувати та/або змінювати його відповідно до умов Загальної публічної"
+" ліцензії GNU, опублікованих Фондом вільного програмного забезпечення; або "
+"версії 2 Ліцензії, або (за Вашим бажанням) будь-якої пізнішої версії."
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
 "or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for"
 " more details."
 msgstr ""
-"Рахівник MATE розповсюджується зі сподіванням, що він буде корисним, але БЕЗ"
-" БУДЬ-ЯКИХ ЗАПОРУК; навіть не маючи на увазі запоруку ПРОДУКЦІЙНОСТИ, чи "
-"ПРИДАТНОСТИ ДЛЯ ПЕВНОЇ МЕТИ. Детальніше див. У Загальній публічній ліцензії "
-"GNU."
+"Калькулятор MATE розповсюджується зі сподіваннями, що він буде корисним, але"
+" БЕЗ БУДЬ-ЯКИХ ГАРАНТІЙ; навіть не маючи на увазі гарантію КОМЕРЦІЙНОЇ "
+"ЦІННОСТІ, чи ПРИДАТНОСТІ ДЛЯ ПЕВНОГО ПРИЗНАЧЕННЯ. Докладніше див. у "
+"Загальній публічній ліцензії GNU."
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
-"Ви мали б отримати копію Генеральної публічної ліцензії GNU разом із "
-"рахівником MATE; якщо ні, пишіть у Фундацію вільного програмного "
-"забезпечення, Inc., Франклін Стріт, 51, П'ятий поверх, Бостон, MA "
-"02110-1301, США."
+"Ви повинні були отримати копію Загальної публічної ліцензії GNU разом із "
+"Калькулятором MATE; якщо ні, напишіть у Фонд вільного програмного "
+"забезпечення: Free Software Foundation, Inc., 51 Franklin Street, Fifth "
+"Floor, Boston, MA 02110-1301, USA."
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
-"Рахівник із фінансовим і науковим режимами.\n"
-"Використовуючи GNU MPFR %s і GNU MPC %s"
+"Калькулятор із фінансовим та науковим режимами.\n"
+"Використовуючи GNU MPFR %s та GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "Про MATE Calc"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1649,7 +1657,7 @@ msgstr ""
 "Авторське право © 1986–2010 Автори GCalctool\n"
 "Авторське право © 2011-2021 Розробники MATE"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Yarema aka Knedlyk <[email protected]>,\n"
@@ -1657,113 +1665,113 @@ msgstr ""
 "Oleh Tsyupka <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
-msgstr "_Рахівник"
+msgstr "_Калькулятор"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "Р_ежим"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Перегляд"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Допомога"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Простий"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Розширений"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Фінансовий"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Програмування"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
-msgstr "_Дієпис"
+msgstr "_Історія"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Зміст"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Копіювати"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "Вст_авити"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "Пов_ернути"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Повт_орити"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
-msgstr "_Очистити дієпис"
+msgstr "_Очистити історію"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Налаштування"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Вийти"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Про програму"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "Двійкове ТА визначено лише для натуральних чисел"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "Двійкове АБО визначено лише для натуральних чисел"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "Двійкове ВИКЛЮЧНЕ-АБО визначено лише для натуральних чисел"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "Двійкове НІ визначено лише для натуральних чисел"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "Зсув можливий лише для цілих чисел"
 
@@ -1818,768 +1826,768 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "Дзета-функція Рімана визначена лише для дійсних чисел ≠ 1"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr "Танґенс невизначений для кутів з періодом π(180°) від π∕2 (90°)"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "Зворотній синус невизначено для значень поза діапазоном [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "Зворотній косинус невизначено для значень поза діапазоном [-1, 1]"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "Функція Arctangent невизначена для значень i та -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 "Зворотній гіперболічний косинус невизначено для значень менших за одиницю"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr "Інверсний гіперболічний танґенс невизначений для значень поза (-1, 1)"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s градусів"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "градус,градусів,гр"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s радіанів"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "радіан,радіани,рад"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s градіанів"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "градіан,градіани,град"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Персеки"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s пс"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "персек,персеки,пс"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Світлові роки"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ср"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "світлорік,світлороків,ср"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Астрономічні одиниці"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s ао"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "ао"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Морські милі"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s морська миля"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "морська миля"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Милі"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s ми"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "миль,милі,ми"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Кілометри"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s км"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "кілометр,кілометрів,км"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "Кабелі"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s кб"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "кабель,кабелів,кб "
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "Фатоми"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s фтм"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "фатом,фатоми,фтм"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Метри"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s м"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "метр,метри,м"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "Ярди"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s яр"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "ярд,ярди,яр"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Фут"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s фт"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "фут,фути,фт"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Дюйми"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s дм"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "дюйм,дюйми,дм"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Сантиметри"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s см"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "сантиметр,сантиметри,см"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Міліметри"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s мм"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "міліметр,міліметри,мм"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Мікрометри"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s мкм"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "мікрометр,мікрометри,мкм"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Нанометри"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s мм"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "нанометр,нанометри,морська миля"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Гектари"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s га"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "гектар,гектари,га"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Акри"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s акрів"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "акр,акри"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Квадратні метри"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s м²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "м²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Квадратні сантиметри"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s см²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "см²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Квадратні міліметри"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s мм²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "мм²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Кубічні метри"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s м³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "м³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Галони"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s гал"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "галон,галони,гал"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Літри"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s л"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "літр,літри,літер,л"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "Кварти"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s кв"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "кварт,кварти,кв"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "Пінти"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s пт"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "пінт,пінти,пт"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Мілілітри"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s мл"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "мілілітр,мілілітер,мілілтри,мл,см³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Мікролітри"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s мкл"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "мм³,мкл,мкл"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Тони"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s т"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "тона,тони"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Кілограми"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s кг"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "Кілограм,кілограми,кг"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Фунти"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s ф"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "фунт,фунти,ф"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "Унції"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s унц"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "унція,унцій,унц"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Грами"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s г"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "гра,грами,г"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Роки"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s років"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "рік,роки"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Дні"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s днів"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "день,дні"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Години"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s годин"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "година,годин"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Хвилин"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s хвилина"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "хвилина,хвилини"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Секунди"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s с"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "секунда,секунди,с"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Мілісекунди"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s мс"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "мілісекунда,мілісекунди,мс"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Мікросекунди"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s мкс"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "мікросекунда,мікросекунди,мкс,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Цельсій"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "цельсій,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Фаренгейт"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "фаренгейт,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Кельвін"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "Ранкін"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "градус Ранкіна,˚R, ˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Кут"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Довжина"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Площа"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Гучність"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Ширина"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Тривалість"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Температура"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Валюта"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%%s %s"
diff --git a/po/ur.po b/po/ur.po
index 54348b1..0e4af25 100644
--- a/po/ur.po
+++ b/po/ur.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: mauron, 2020\n"
-"Language-Team: Urdu (https://www.transifex.com/mate/teams/13566/ur/)\n"
+"Language-Team: Urdu (https://app.transifex.com/mate/teams/13566/ur/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "یادداشت"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "ترجیحات"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "ششدہی نظام"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "خودکار"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,31 +1560,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "محمد علی مکی\n"
@@ -1585,113 +1595,113 @@ msgstr ""
 "http://makki.urducoder.com"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_منظر"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_ہدایات"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_ہدایات کے موضوعات"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_کاپی کریں"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_منسوخ کریں"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "ا_عادہ کریں"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_ترجیحات"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_برخاست کریں"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_بابت"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1746,767 +1756,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "سیلسئس"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "کیلون"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Currency"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/uz.po b/po/uz.po
index be7de17..d70dbe0 100644
--- a/po/uz.po
+++ b/po/uz.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Muzaffar Habibullayev <[email protected]>, 2020\n"
-"Language-Team: Uzbek (https://www.transifex.com/mate/teams/13566/uz/)\n"
+"Language-Team: Uzbek (https://app.transifex.com/mate/teams/13566/uz/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Xotira"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -211,7 +211,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -239,7 +239,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -257,7 +257,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -281,7 +281,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -295,7 +295,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -448,7 +448,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -498,7 +498,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Parametrlar"
 
@@ -553,12 +553,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE Kalkulyator"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Kalkulyator"
 
@@ -918,12 +918,12 @@ msgstr "Venesuela Bolivari"
 msgid "South African Rand"
 msgstr "Janubiy Afrika Rendi"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -932,7 +932,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -944,7 +944,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -957,7 +957,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -965,13 +965,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -986,294 +986,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Qo'shish [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Ayirish [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Ko'paytirish [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Bo'lish [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Foiz [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Faktorial [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Absolyut qiymat [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Logarifm"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Qaytarish [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,195 +1291,195 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Hisoblanmoqda"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1477,63 +1487,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Avtomatik"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Qat'iy"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Ilmiy"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Muhandislik"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1541,7 +1551,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1549,142 +1559,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "tarjimonlar"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "_Kalkulyator"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "_Rejim"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Ko'rish"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Yordam"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Sodda"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Murakkab"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Moliyaviy"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Dasturlash"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Tarkibi"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Nusxa olish"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Bekor qilish"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Qaytarish"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Xususiyatlar"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Chiqish"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Haqida"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1739,767 +1749,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Milyalar"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kilometrlar"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Metrlar"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "Fut"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Dyuym"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Santimterlar"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Millimterlar"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Mikrometrlar"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nanometrlar"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Gektarlar"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "Akrlar"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s akr"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Metr Kvadrat"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Santimter Kvadrat"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Millimetr Kvadrat"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Metr Kub"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "Gallonlar"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Litrlar"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Millilitrlar"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Microlitrlar"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tonnalar"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kilogramlar"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "Funtlar"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gramlar"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Yillar"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s yil"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Kunlar"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s kun"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Soatlar"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s soat"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Daqiqalar"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s daqiqa"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Soniyalar"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Millisekundlar"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Microsekundlar"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Selsiy"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "Farengeyt"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Burchak"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Uzunlik"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Maydon"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Sig'im"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Og'irlik"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Muddat"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Harorat"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Valyuta"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/vi.po b/po/vi.po
index 93b22be..f25dd27 100644
--- a/po/vi.po
+++ b/po/vi.po
@@ -5,17 +5,17 @@
 # 
 # Translators:
 # Duy Truong Nguyen <[email protected]>, 2018
-# Horazone Detex <[email protected]>, 2018
 # Stefano Karapetsas <[email protected]>, 2020
+# Horazone Detex <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Vietnamese (https://www.transifex.com/mate/teams/13566/vi/)\n"
+"Last-Translator: Horazone Detex <[email protected]>, 2022\n"
+"Language-Team: Vietnamese (https://app.transifex.com/mate/teams/13566/vi/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -53,7 +53,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Bộ nhớ"
 
@@ -70,15 +70,15 @@ msgstr "Hồi lại"
 
 #: src/buttons-advanced.ui:663
 msgid "asin"
-msgstr ""
+msgstr "asin"
 
 #: src/buttons-advanced.ui:677
 msgid "atan"
-msgstr ""
+msgstr "atan"
 
 #: src/buttons-advanced.ui:705
 msgid "acos"
-msgstr ""
+msgstr "acos"
 
 #. Accessible name for the store value button
 #: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
@@ -112,11 +112,11 @@ msgstr "Số nhỏ dưới"
 
 #: src/buttons-advanced.ui:966
 msgid "const"
-msgstr ""
+msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "Ký kép"
 
@@ -216,7 +216,7 @@ msgstr "C_hi phí:"
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "Giá trị Tương lai"
 
@@ -246,7 +246,7 @@ msgstr "Trả định _kì:"
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "Tổng lãi thực"
 
@@ -266,7 +266,7 @@ msgstr "_Biên:"
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "Trả Định Kỳ"
 
@@ -292,7 +292,7 @@ msgstr "Tiền _gốc:"
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "Giá trị Hiện tại"
 
@@ -309,7 +309,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "Lãi suất định kì"
 
@@ -474,7 +474,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "Chèn mã ký tự"
 
@@ -524,7 +524,7 @@ msgid "64-bit"
 msgstr "64-bit"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Tùy chỉnh"
 
@@ -559,11 +559,11 @@ msgstr "Hiện dấu tách hàng n_ghìn"
 
 #: data/mate-calc.appdata.xml.in:7
 msgid "MATE Calc"
-msgstr ""
+msgstr "MATE Calc"
 
 #: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
-msgstr ""
+msgstr "Máy tính Desktop MATE"
 
 #: data/mate-calc.appdata.xml.in:10
 msgid ""
@@ -579,12 +579,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
-msgstr ""
+msgstr "Máy tính Mate"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Bàn tính"
 
@@ -596,7 +596,7 @@ msgstr "Chạy phép tính kiểu số học, khoa học hay tài chính"
 #. localize the semicolons! The list MUST also end with a semicolon!
 #: data/mate-calc.desktop.in:13
 msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
-msgstr ""
+msgstr "máy tính;MATE;khoa học;số học;tài chính;tính toán;"
 
 #: data/org.mate.calc.gschema.xml:25
 msgid "Accuracy value"
@@ -604,7 +604,7 @@ msgstr "Độ chính xác"
 
 #: data/org.mate.calc.gschema.xml:26
 msgid "The number of digits displayed after the numeric point"
-msgstr ""
+msgstr "Số chữ số hiển thị sau dấu chấm thập phân"
 
 #: data/org.mate.calc.gschema.xml:31
 msgid "Word size"
@@ -945,12 +945,12 @@ msgstr "Bolívar Vênêzuêla"
 msgid "South African Rand"
 msgstr "Rand Nam Phi"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -959,7 +959,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -976,7 +976,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -996,7 +996,7 @@ msgstr ""
 "  --g-fatal-warnings              Tạo tất cả thông báo lỗi nguy hiểm"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -1004,13 +1004,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "Tham số --solve cần một phương trình để giải"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "Không hiểu tham số '%s'"
@@ -1025,294 +1025,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "Số Euler"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "Chế độ số nhỏ dưới [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "Chế độ số mũ [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "Luỹ thừa khoa học [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "Cộng [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "Trừ [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "Nhân [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "Chia [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "Chia phần dư"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "Hàm bổ sung"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "Luỹ thừa [^ hoặc **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "Bình phương [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "Phần trăm [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "Giai thừa [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "Giá trị tuyệt đối [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "Căn bậc 2 [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "Lôgarít"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "Lôgarít tự nhiên"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "Sin"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "Cosin"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "Tang"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "Sin hyperbol"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "Cosin hyperbol"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "Tang hyperbol"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "Nghịch đảo [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "VÀ luận lý"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "HOẶC luận lý"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "HOẶC loại trừ luận lý"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "PHỦ ĐỊNH luận lý"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "Phần nguyên"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "Phần phân số"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "Phần thực"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "Phần ảo"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "Bù một"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "Bù hai"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "Bắt đầu nhóm [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "Đóng nhóm [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "Tính kết quả"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "Phân tích nhân tử [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "Xoá hiển thị [Esc]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "Hoàn lại [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "Khấu hao giảm dần kép"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "Khấu hao tổng số năm"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "Khấu hao theo đường thẳng"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "Nhị phân"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "Bát phân"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "Thập phân"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "Thập lục phân"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1320,195 +1330,195 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "Làm tròn"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "Làm tròn xuống"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "Làm tròn lên"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "Dấu"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " theo "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "Chuyển đổi đơn vị"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "Không có lược sử hủy bước"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "Không có lược sử làm lại"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Không có giá trị hữu tỷ để lưu"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "Tràn bộ nhớ. Hãy thử với kích thước từ (word) lớn hơn."
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "Biến lạ '%s'"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "Chuyển đổi không biết"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Biểu thức sai"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "Đang tính"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "Cần số nguyên để phân tích nhân tử"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "Không có giá trị đúng đắn để dịch bit"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1516,63 +1526,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "Độ"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "_Rađian"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "Gr_ađian"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "Tự động"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "Cố định"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Khoa học"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "Kỹ sư"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "Hiện %d _số thập phân"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "Không thể mở tập tin trợ giúp"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1580,7 +1590,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1588,142 +1598,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "giới thiệu-nhóm dịch"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "Bàn _tính"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Xem"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "Trợ _giúp"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "Cơ _bản"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "_Cấp cao"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "_Tài chính"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "_Lập trình"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "Mụ_c lục"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Chép"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Dán"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Hủy bước"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "Bước _lại"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Tùy thích"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "T_hoát"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Giới thiệu"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1778,767 +1788,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s độ"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "độ,độ,độ"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s rađian"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "rađian,rađian,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s građian"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "građian,građian,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "Parsec"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsec,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "Năm ánh sáng"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "năm ánh sáng,năm ánh sáng,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "Đơn vị thiên văn học"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "Hải lý"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "Dặm"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s dặm"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "dặm,dặm,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "Kílô mét"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilô mét,kilô mét,km,km"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "Mét"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "mét,mét,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "Inch"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "Centi mét"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centi mét,centi mét,cm,cm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "Mili mét"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "mili mét,mili mét,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "Micrô mét"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrô mét,micrô mét,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "Nano mét"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nano mét,nano mét,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "Hécta"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hécta,hécta,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "Mét vuông"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "Centi mét vuông"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "Mili mét vuông"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "Mét khối"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "Lít"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "lít,lít,lít,lít,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "Mili lít"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "mili lít,mili lít,mili lít,mili lít,ml,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "Micro lít"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "Tấn"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tấn,tấn"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "Kílô gram"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilo gram,kilo gram,kilo gram,kilo gram,kg,kg"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "Gram"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,gram,gram,gram,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "Năm"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "năm,năm"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "Ngày"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s ngày"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "ngày,ngày"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "Giờ"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s giờ"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "giờ,giờ"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "Phút"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s phút"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "phút,phút"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "Giây"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s giây"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "giây,giây,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "Mili giây"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "mili giây,mili giây,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "Micro giây"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "micrô giây,micrô giây,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "Độ C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "Góc"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "Chiều dài"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "Diện tích"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "Thể tích"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "Trọng lượng"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "Thời gian"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "Nhiệt độ"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "Tiền tệ"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/wa.po b/po/wa.po
index 61579e4..d3a3af1 100644
--- a/po/wa.po
+++ b/po/wa.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Walloon (https://www.transifex.com/mate/teams/13566/wa/)\n"
+"Language-Team: Walloon (https://app.transifex.com/mate/teams/13566/wa/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Memwere"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Preferinces"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Pablo Saratxaga <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Vey"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Aidance"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "Å d_vins"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Copyî"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "C_laper"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Disfé"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Rifé"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Preferinces"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "Moussî _foû"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "Å_d fwait"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/xh.po b/po/xh.po
index 5526a7c..07e71e5 100644
--- a/po/xh.po
+++ b/po/xh.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Xhosa (https://www.transifex.com/mate/teams/13566/xh/)\n"
+"Language-Team: Xhosa (https://app.transifex.com/mate/teams/13566/xh/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "Uvimba weefayili"
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Uluhlu lwezinto ezikhethwayo"
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "Ikhaltyuleyitha"
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "Alikho ixabiso le-sane elingagcinwa"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "Intetho engemanga kakuhle"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "Ezenzululwazi"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,142 +1560,142 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr "Canonical Ltd <[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "I_khaltyuleyitha"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Bonakalisa"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Nceda"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "_Esisiseko"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "E_hambele phambili"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "E_zezimali"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Okuqulethweyo"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopa"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Ncamathelisa"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Buyisela okwenziweyo"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Yenze kwakhona"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Ezikhethwayo"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Phuma"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Malunga"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1740,767 +1750,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "i-Celsius"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "i-Kelvin"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/yi.po b/po/yi.po
index a4cdca4..fd8aca7 100644
--- a/po/yi.po
+++ b/po/yi.po
@@ -2,251 +2,291 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
 "Language-Team: Yiddish (https://www.transifex.com/mate/teams/13566/yi/)\n"
+"Language: yi\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: yi\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +295,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +332,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr "פֿאַרמאַך"
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
+msgid ""
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:15
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +909,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +925,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +933,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1114,7 +1260,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1122,1100 +1268,1199 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
+msgstr ""
+
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
 msgstr ""
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:325
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:362
+#, c-format
+msgid ""
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:368
+msgid "About MATE Calculator"
+msgstr ""
+
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
+msgstr ""
+
+#: src/math-window.c:375
+msgid "translator-credits"
 msgstr ""
 
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "געהילף"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "אינהאַלט"
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "קאָפּיר"
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "קלעפּ"
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "פֿאַרקער"
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "איבער־פֿאַרקער"
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr ""
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "הער אױף"
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr ""
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
-msgstr ""
-
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/yo.po b/po/yo.po
index 0067a51..2e61339 100644
--- a/po/yo.po
+++ b/po/yo.po
@@ -2,251 +2,291 @@
 # Copyright (C) YEAR THE PACKAGE'S COPYRIGHT HOLDER
 # This file is distributed under the same license as the PACKAGE package.
 # FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
-# 
+#
 # Translators:
 # Stefano Karapetsas <[email protected]>, 2018
-# 
+#
 #, fuzzy
 msgid ""
 msgstr ""
 "Project-Id-Version: MATE Desktop Environment\n"
-"Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2019-02-09 20:37+0100\n"
+"Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
+"POT-Creation-Date: 2022-10-30 00:03+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2018\n"
 "Language-Team: Yoruba (https://www.transifex.com/mate/teams/13566/yo/)\n"
+"Language: yo\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: yo\n"
 "Plural-Forms: nplurals=1; plural=0;\n"
 
 #. Accessible name for the factorize button
-#: ../data/buttons-advanced.ui.h:2 ../data/buttons-programming.ui.h:9
+#: src/buttons-advanced.ui:27 src/buttons-programming.ui:1900
 msgid "Factorize"
 msgstr ""
 
 #. Label on the solve button (clicking this solves the displayed calculation)
-#: ../data/buttons-advanced.ui.h:4 ../data/buttons-basic.ui.h:2
-#: ../data/buttons-financial.ui.h:77 ../data/buttons-programming.ui.h:13
+#: src/buttons-advanced.ui:270 src/buttons-basic.ui:213
+#: src/buttons-financial.ui:2100 src/buttons-programming.ui:2043
 msgid "="
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:5 ../data/buttons-basic.ui.h:3
-#: ../data/buttons-financial.ui.h:78 ../data/buttons-programming.ui.h:14
+#: src/buttons-advanced.ui:288 src/buttons-basic.ui:262
+#: src/buttons-financial.ui:2149 src/buttons-programming.ui:2061
 msgid "Clear"
 msgstr ""
 
 #. Accessible name for the scientific exponent button
-#: ../data/buttons-advanced.ui.h:7
+#: src/buttons-advanced.ui:321
 msgid "Scientific Exponent"
 msgstr ""
 
 #. The label on the memory button
-#: ../data/buttons-advanced.ui.h:9 ../data/buttons-financial.ui.h:73
-#: ../data/buttons-programming.ui.h:18
+#: src/buttons-advanced.ui:390 src/buttons-financial.ui:1867
+#: src/buttons-programming.ui:2314
 msgid "x"
 msgstr ""
 
 #. Accessible name for the memory button
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
-#: ../data/buttons-advanced.ui.h:11 ../data/buttons-financial.ui.h:75
-#: ../src/math-buttons.c:232
+#: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
 #. Accessible name for the exponentiation (x to the power of y) button
-#: ../data/buttons-advanced.ui.h:13 ../data/buttons-basic.ui.h:6
-#: ../data/buttons-financial.ui.h:100 ../data/buttons-programming.ui.h:32
+#: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
+#: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:14 ../data/buttons-basic.ui.h:4
-#: ../data/buttons-financial.ui.h:101
+#: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
+#: src/buttons-financial.ui:2357
 msgid "Undo"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:15
+#: src/buttons-advanced.ui:663
 msgid "asin"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:16
+#: src/buttons-advanced.ui:677
 msgid "atan"
 msgstr ""
 
-#: ../data/buttons-advanced.ui.h:17
+#: src/buttons-advanced.ui:705
 msgid "acos"
 msgstr ""
 
 #. Accessible name for the store value button
-#: ../data/buttons-advanced.ui.h:19 ../data/buttons-programming.ui.h:20
+#: src/buttons-advanced.ui:764 src/buttons-programming.ui:2338
 msgid "Store"
 msgstr ""
 
 #. Accessible name for the inverse button
-#: ../data/buttons-advanced.ui.h:21 ../data/buttons-programming.ui.h:30
+#: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
 msgstr ""
 
 #. Accessible name for the factorial button
-#: ../data/buttons-advanced.ui.h:23 ../data/buttons-programming.ui.h:28
+#: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
 msgid "Factorial"
 msgstr ""
 
 #. Accessible name for the absolute value button
-#: ../data/buttons-advanced.ui.h:25 ../data/buttons-programming.ui.h:11
+#: src/buttons-advanced.ui:844 src/buttons-programming.ui:1942
 msgid "Absolute Value"
 msgstr ""
 
 #. Accessible name for the superscript mode button
-#: ../data/buttons-advanced.ui.h:27 ../data/buttons-programming.ui.h:16
+#: src/buttons-advanced.ui:885 src/buttons-programming.ui:2274
 msgid "Superscript"
 msgstr ""
 
 #. Accessible name for the subscript mode button
-#: ../data/buttons-advanced.ui.h:29 ../data/buttons-programming.ui.h:34
+#: src/buttons-advanced.ui:911 src/buttons-programming.ui:2676
 msgid "Subscript"
 msgstr ""
 
+#: src/buttons-advanced.ui:966
+msgid "const"
+msgstr ""
+
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: ../data/buttons-financial.ui.h:2 ../src/math-buttons.c:256
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
-#: ../data/buttons-financial.ui.h:3 ../data/buttons-programming.ui.h:3
+#: src/buttons-financial.ui:28 src/buttons-financial.ui:211
+#: src/buttons-financial.ui:394 src/buttons-financial.ui:577
+#: src/buttons-financial.ui:730 src/buttons-financial.ui:914
+#: src/buttons-financial.ui:1098 src/buttons-financial.ui:1282
+#: src/buttons-financial.ui:1466 src/buttons-financial.ui:1679
+#: src/buttons-programming.ui:27
 msgid "_Cancel"
 msgstr ""
 
+#. Compounding Term Dialog: Calculate button
+#. Double-Declining Depreciation Dialog: Calculate button
+#. Future Value Dialog: Calculate button
+#. Gross Profit Margin Dialog: Calculate button
+#. Periodic Payment Dialog: Calculate button
+#. Present Value Dialog: Calculate button
+#. Periodic Interest Rate Dialog: Calculate button
+#. Straight-Line Depreciation Dialog: Calculate button
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button
 #. Payment Period Dialog: Button to calculate result
-#: ../data/buttons-financial.ui.h:5
+#: src/buttons-financial.ui:43 src/buttons-financial.ui:226
+#: src/buttons-financial.ui:409 src/buttons-financial.ui:592
+#: src/buttons-financial.ui:745 src/buttons-financial.ui:929
+#: src/buttons-financial.ui:1113 src/buttons-financial.ui:1297
+#: src/buttons-financial.ui:1481 src/buttons-financial.ui:1694
 msgid "C_alculate"
 msgstr ""
 
 #. Compounding Term Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:7
+#: src/buttons-financial.ui:122
 msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
 msgstr ""
 
+#. Compounding Term Dialog: Label before periodic interest rate input
+#. Future Value Dialog: Label before periodic interest rate input
+#. Periodic Payment Dialog: Label before periodic interest rate input
+#. Present Value Dialog: Label before periodic interest rate input
 #. Payment Period Dialog: Label before periodic interest rate input
-#: ../data/buttons-financial.ui.h:9
+#: src/buttons-financial.ui:136 src/buttons-financial.ui:486
+#: src/buttons-financial.ui:853 src/buttons-financial.ui:1037
+#: src/buttons-financial.ui:1799
 msgid "Periodic Interest _Rate:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before future value input
 #. Periodic Interest Rate Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:11
+#: src/buttons-financial.ui:150 src/buttons-financial.ui:1235
 msgid "_Future Value:"
 msgstr ""
 
+#. Compounding Term Dialog: Label before present value input
 #. Periodic Interest Rate Dialog: Label before present value input
-#: ../data/buttons-financial.ui.h:13
+#: src/buttons-financial.ui:164 src/buttons-financial.ui:1207
 msgid "Present _Value:"
 msgstr ""
 
 #. Title of Double-Declining Depreciation dialog
-#: ../data/buttons-financial.ui.h:15
+#: src/buttons-financial.ui:191
 msgid "Double-Declining Depreciation"
 msgstr ""
 
 #. Double-Declining Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:17
+#: src/buttons-financial.ui:260
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:19
+#. Double-Declining Depreciation Dialog: Label before life input
+#. Straight-Line Depreciation Dialog: Label before life input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input
+#: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
+#: src/buttons-financial.ui:1527
 msgid "_Life:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:21
+#. Double-Declining Depreciation Dialog: Label before period input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
+#: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
 msgstr ""
 
+#. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
-#: ../data/buttons-financial.ui.h:23
+#: src/buttons-financial.ui:347 src/buttons-financial.ui:670
 msgid "C_ost:"
 msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: ../data/buttons-financial.ui.h:25 ../src/math-buttons.c:262
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
+#. Future Value Dialog: Label before number of periods input
 #. Present Value Dialog: Label before number of periods input
-#: ../data/buttons-financial.ui.h:27
+#: src/buttons-financial.ui:500 src/buttons-financial.ui:1023
 msgid "_Number of Periods:"
 msgstr ""
 
 #. Future Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:29
+#: src/buttons-financial.ui:516
 msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
 msgstr ""
 
+#. Future Value Dialog: Label before periodic payment input
+#. Present Value Dialog: Label before periodic payment input
 #. Payment Period Dialog: Label before periodic payment input
-#: ../data/buttons-financial.ui.h:31
+#: src/buttons-financial.ui:530 src/buttons-financial.ui:1051
+#: src/buttons-financial.ui:1771
 msgid "_Periodic Payment:"
 msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: ../data/buttons-financial.ui.h:33 ../src/math-buttons.c:283
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
 #. Gross Profit Margin Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:35
+#: src/buttons-financial.ui:626
 msgid ""
 "Calculates the resale price of a product, based on the product cost and the "
 "wanted gross profit margin."
 msgstr ""
 
 #. Gross Profit Margin Dialog: Label before margin input
-#: ../data/buttons-financial.ui.h:37
+#: src/buttons-financial.ui:684
 msgid "_Margin:"
 msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: ../data/buttons-financial.ui.h:39 ../src/math-buttons.c:280
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
 #. Periodic Payment Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:41
+#: src/buttons-financial.ui:779
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
 msgstr ""
 
+#. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
-#: ../data/buttons-financial.ui.h:43
+#: src/buttons-financial.ui:839 src/buttons-financial.ui:1221
 msgid "_Term:"
 msgstr ""
 
 #. Periodic Payment Dialog: Label before principal input
-#: ../data/buttons-financial.ui.h:45
+#: src/buttons-financial.ui:867
 msgid "_Principal:"
 msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: ../data/buttons-financial.ui.h:47 ../src/math-buttons.c:277
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
 #. Present Value Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:49
+#: src/buttons-financial.ui:963
 msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
@@ -255,34 +295,36 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: ../data/buttons-financial.ui.h:51 ../src/math-buttons.c:274
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
 #. Periodic Interest Rate Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:53
+#: src/buttons-financial.ui:1147
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
 msgstr ""
 
 #. Title of Straight-Line Depreciation dialog
-#: ../data/buttons-financial.ui.h:55
+#: src/buttons-financial.ui:1262
 msgid "Straight-Line Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:57
+#. Straight-Line Depreciation Dialog: Label before cost input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input
+#: src/buttons-financial.ui:1329 src/buttons-financial.ui:1555
 msgid "_Cost:"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:59
+#. Straight-Line Depreciation Dialog: Label before salvage input
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input
+#: src/buttons-financial.ui:1402 src/buttons-financial.ui:1541
 msgid "_Salvage:"
 msgstr ""
 
 #. Straight-Line Depreciation Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:61
+#: src/buttons-financial.ui:1418
 msgid ""
 "Calculates the straight-line depreciation of an asset for one period. The "
 "straight-line method of depreciation divides the depreciable cost evenly "
@@ -290,481 +332,574 @@ msgid ""
 "typically years, over which an asset is depreciated. "
 msgstr ""
 
-#. Title of Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:63
+#. Title of Sum-of-the-Years'-Digits Depreciation dialog
+#: src/buttons-financial.ui:1446
 msgid "Sum-of-the-Years'-Digits Depreciation"
 msgstr ""
 
-#. Sum-of-the-Years
-#: ../data/buttons-financial.ui.h:65
+#. Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation
+#: src/buttons-financial.ui:1631
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
-"time, using the Sum-of-the-Years'-Digits method. This method of depreciation"
-" accelerates the rate of depreciation, so that more depreciation expense "
+"time, using the Sum-of-the-Years'-Digits method. This method of depreciation "
+"accelerates the rate of depreciation, so that more depreciation expense "
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
 
 #. Title of Payment Period dialog
-#: ../data/buttons-financial.ui.h:67
+#: src/buttons-financial.ui:1659
 msgid "Payment Period"
 msgstr ""
 
 #. Payment Period Dialog: Label before future value input
-#: ../data/buttons-financial.ui.h:69
+#: src/buttons-financial.ui:1785
 msgid "Future _Value:"
 msgstr ""
 
 #. Payment Period Dialog: Description of calculation
-#: ../data/buttons-financial.ui.h:71
+#: src/buttons-financial.ui:1815
 msgid ""
 "Calculates the number of payment periods that are necessary during the term "
-"of an ordinary annuity, to accumulate a future value, at a periodic interest"
-" rate."
+"of an ordinary annuity, to accumulate a future value, at a periodic interest "
+"rate."
 msgstr ""
 
-#. Calculates the number of compounding periods necessary to increase an
-#. investment of present value pv to a future value of fv, at a fixed interest
-#. rate of int per compounding period. See also:
-#. http://en.wikipedia.org/wiki/Compound_interest
-#: ../data/buttons-financial.ui.h:80
+#. Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest
+#: src/buttons-financial.ui:2166
 msgid "Ctrm"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the double-declining balance method. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:82
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2181
 msgid "Ddb"
 msgstr ""
 
-#. Calculates the future value of an investment based on a series of equal
-#. payments, each of amount pmt, at a periodic interest rate of int, over the
-#. number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Future_value
-#: ../data/buttons-financial.ui.h:84
+#. Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value
+#: src/buttons-financial.ui:2196
 msgid "Fv"
 msgstr ""
 
-#. Calculates the number of payment periods that are necessary during the term
-#. of an ordinary annuity, to accumulate a future value of fv, at a periodic
-#. interest rate of int. Each payment is equal to amount pmt. See also:
-#. http://en.wikipedia.org/wiki/Annuity_(finance_theory)
-#: ../data/buttons-financial.ui.h:86
+#. Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)
+#: src/buttons-financial.ui:2211
 msgid "Term"
 msgstr ""
 
-#. Calculates the depreciation allowance on an asset for a specified period of
-#. time, using the Sum-Of-The-Years
-#: ../data/buttons-financial.ui.h:88
+#. Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2226
 msgid "Syd"
 msgstr ""
 
-#. Calculates the straight-line depreciation of an asset for one period. The
-#. depreciable cost is cost - salvage. The straight-line method of
-#. depreciation divides the depreciable cost evenly over the useful life of an
-#. asset. The useful life is the number of periods, typically years, over
-#. which an asset is depreciated. See also:
-#. http://en.wikipedia.org/wiki/Depreciation
-#: ../data/buttons-financial.ui.h:90
+#. Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation
+#: src/buttons-financial.ui:2241
 msgid "Sln"
 msgstr ""
 
-#. Calculates the periodic interest necessary to increase an investment of
-#. present value pv to a future value of fv, over the number of compounding
-#. periods in term. See also: http://en.wikipedia.org/wiki/Interest
-#: ../data/buttons-financial.ui.h:92
+#. Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest
+#: src/buttons-financial.ui:2256
 msgid "Rate"
 msgstr ""
 
-#. Calculates the present value of an investment based on a series of equal
-#. payments, each of amount pmt, discounted at a periodic interest rate of
-#. int, over the number of payment periods in the term. See also:
-#. http://en.wikipedia.org/wiki/Present_value
-#: ../data/buttons-financial.ui.h:94
+#. Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value
+#: src/buttons-financial.ui:2271
 msgid "Pv"
 msgstr ""
 
-#. Calculates the amount of the periodic payment of a loan, where payments are
-#. made at the end of each payment period. See also:
-#. http://en.wikipedia.org/wiki/Amortization_schedule
-#: ../data/buttons-financial.ui.h:96
+#. Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule
+#: src/buttons-financial.ui:2286
 msgid "Pmt"
 msgstr ""
 
-#. Calculates the resale price of a product, based on the product cost and the
-#. wanted gross profit margin. See also:
-#. http://en.wikipedia.org/wiki/Gross_profit_margin
-#: ../data/buttons-financial.ui.h:98
+#. Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin
+#: src/buttons-financial.ui:2301
 msgid "Gpm"
 msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: ../data/buttons-programming.ui.h:2 ../src/math-buttons.c:235
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
 #. Insert ASCII dialog: Button to insert selected character
-#: ../data/buttons-programming.ui.h:5
+#: src/buttons-programming.ui:42
 msgid "_Insert"
 msgstr ""
 
 #. Insert ASCII dialog: Label before character entry
-#: ../data/buttons-programming.ui.h:7
+#: src/buttons-programming.ui:73
 msgid "Ch_aracter:"
 msgstr ""
 
 #. Accessible name for the shift left button
-#: ../data/buttons-programming.ui.h:22
+#: src/buttons-programming.ui:2477
 msgid "Shift Left"
 msgstr ""
 
 #. Accessible name for the shift right button
-#: ../data/buttons-programming.ui.h:24
+#: src/buttons-programming.ui:2526
 msgid "Shift Right"
 msgstr ""
 
 #. Accessible name for the insert character button
-#: ../data/buttons-programming.ui.h:26
+#: src/buttons-programming.ui:2756
 msgid "Insert Character"
 msgstr ""
 
 #. Word size combo: 8 bits
-#: ../data/preferences.ui.h:2
+#: src/preferences.ui:40
 msgid "8-bit"
 msgstr ""
 
 #. Word size combo: 16 bits
-#: ../data/preferences.ui.h:4
+#: src/preferences.ui:44
 msgid "16-bit"
 msgstr ""
 
 #. Word size combo: 32 bits
-#: ../data/preferences.ui.h:6
+#: src/preferences.ui:48
 msgid "32-bit"
 msgstr ""
 
 #. Word size combo: 64 bits
-#: ../data/preferences.ui.h:8
+#: src/preferences.ui:52
 msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: ../data/preferences.ui.h:9 ../src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "Àwọn ìkúndùn"
 
-#: ../data/preferences.ui.h:10
+#: src/preferences.ui:80
 msgid "_Close"
 msgstr "_Ti"
 
 #. Preferences dialog: Label for angle unit combo box
-#: ../data/preferences.ui.h:12
+#: src/preferences.ui:112
 msgid "_Angle units:"
 msgstr ""
 
 #. Preferences dialog: Label for display format combo box
-#: ../data/preferences.ui.h:14
+#: src/preferences.ui:126
 msgid "Number _Format:"
 msgstr ""
 
 #. Preferences dialog: label for word size combo box
-#: ../data/preferences.ui.h:16
+#: src/preferences.ui:176
 msgid "Word _size:"
 msgstr ""
 
 #. Preferences dialog: label for show trailing zeroes check button
-#: ../data/preferences.ui.h:18
+#: src/preferences.ui:199
 msgid "Show trailing _zeroes"
 msgstr ""
 
 #. Preferences dialog: label for show thousands separator check button
-#: ../data/preferences.ui.h:20
+#: src/preferences.ui:215
 msgid "Show _thousands separators"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:1
+#: data/mate-calc.appdata.xml.in:7
+msgid "MATE Calc"
+msgstr ""
+
+#: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
 msgstr ""
 
-#: ../data/mate-calc.appdata.xml.in.h:2
+#: data/mate-calc.appdata.xml.in:10
 msgid ""
-"<p> MATE Calc is a powerful graphical calculator with financial, logical and"
-" scientific modes. It uses a multiple precision package to do its arithmetic"
-" to give a high degree of accuracy. </p> <p> MATE Calc is a fork of GNOME "
-"Calc and part of the MATE Desktop Environment. If you would like to know "
-"more about MATE and MATE Calc, please visit the project's home page. </p>"
+"MATE Calc is a powerful graphical calculator with financial, logical and "
+"scientific modes. It uses a multiple precision package to do its arithmetic "
+"to give a high degree of accuracy."
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:1
+#: data/mate-calc.appdata.xml.in:15
+msgid ""
+"MATE Calc is a fork of GNOME Calc and part of the MATE Desktop Environment. "
+"If you would like to know more about MATE and MATE Calc, please visit the "
+"project's home page."
+msgstr ""
+
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: ../data/mate-calc.desktop.in.h:2 ../src/math-window.c:563
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
-#: ../data/mate-calc.desktop.in.h:3
+#: data/mate-calc.desktop.in:5
 msgid "Perform arithmetic, scientific or financial calculations"
 msgstr ""
 
-#: ../src/currency-manager.c:30
+#. Translators: Search terms to find this application. Do NOT translate or localize the semicolons! The list MUST also end with a semicolon!
+#: data/mate-calc.desktop.in:13
+msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:25
+msgid "Accuracy value"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:26
+msgid "The number of digits displayed after the numeric point"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:31
+msgid "Word size"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:32
+msgid "The size of the words used in bitwise operations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:37
+msgid "Numeric Base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:38
+msgid "The numeric base"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:42
+msgid "Show Thousands Separators"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:43
+msgid "Indicates whether thousands separators are shown in large numbers."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:47
+msgid "Show Trailing Zeroes"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:48
+msgid ""
+"Indicates whether any trailing zeroes after the numeric point should be "
+"shown in the display value."
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:52
+msgid "Show History"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:53
+msgid "Shows all recent calculations"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:57
+msgid "Number format"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:58
+msgid "The format to display numbers in"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:62
+msgid "Angle units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:63
+msgid "The angle units to use"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:67
+msgid "Button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:68
+msgid "The button mode"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:72
+msgid "Source currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:73
+msgid "Currency of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:77
+msgid "Target currency"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:78
+msgid "Currency to convert the current calculation into"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:82
+msgid "Source units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:83
+msgid "Units of the current calculation"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:87
+msgid "Target units"
+msgstr ""
+
+#: data/org.mate.calc.gschema.xml:88
+msgid "Units to convert the current calculation into"
+msgstr ""
+
+#: src/currency-manager.c:30
 msgid "UAE Dirham"
 msgstr ""
 
-#: ../src/currency-manager.c:31
+#: src/currency-manager.c:31
 msgid "Australian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:32
+#: src/currency-manager.c:32
 msgid "Bulgarian Lev"
 msgstr ""
 
-#: ../src/currency-manager.c:33
+#: src/currency-manager.c:33
 msgid "Bahraini Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:34
+#: src/currency-manager.c:34
 msgid "Brunei Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:35
+#: src/currency-manager.c:35
 msgid "Brazilian Real"
 msgstr ""
 
-#: ../src/currency-manager.c:36
+#: src/currency-manager.c:36
 msgid "Botswana Pula"
 msgstr ""
 
-#: ../src/currency-manager.c:37
+#: src/currency-manager.c:37
 msgid "Canadian Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:38
+#: src/currency-manager.c:38
 msgid "CFA Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:39
+#: src/currency-manager.c:39
 msgid "Swiss Franc"
 msgstr ""
 
-#: ../src/currency-manager.c:40
+#: src/currency-manager.c:40
 msgid "Chilean Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:41
+#: src/currency-manager.c:41
 msgid "Chinese Yuan"
 msgstr ""
 
-#: ../src/currency-manager.c:42
+#: src/currency-manager.c:42
 msgid "Colombian Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:43
+#: src/currency-manager.c:43
 msgid "Czech Koruna"
 msgstr ""
 
-#: ../src/currency-manager.c:44
+#: src/currency-manager.c:44
 msgid "Danish Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:45
+#: src/currency-manager.c:45
 msgid "Algerian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:46
+#: src/currency-manager.c:46
 msgid "Estonian Kroon"
 msgstr ""
 
-#: ../src/currency-manager.c:47
+#: src/currency-manager.c:47
 msgid "Euro"
 msgstr ""
 
-#: ../src/currency-manager.c:48
+#: src/currency-manager.c:48
 msgid "Pound Sterling"
 msgstr ""
 
-#: ../src/currency-manager.c:49
+#: src/currency-manager.c:49
 msgid "Hong Kong Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:50
+#: src/currency-manager.c:50
 msgid "Croatian Kuna"
 msgstr ""
 
-#: ../src/currency-manager.c:51
+#: src/currency-manager.c:51
 msgid "Hungarian Forint"
 msgstr ""
 
-#: ../src/currency-manager.c:52
+#: src/currency-manager.c:52
 msgid "Indonesian Rupiah"
 msgstr ""
 
-#: ../src/currency-manager.c:53
+#: src/currency-manager.c:53
 msgid "Israeli New Shekel"
 msgstr ""
 
-#: ../src/currency-manager.c:54
+#: src/currency-manager.c:54
 msgid "Indian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:55
+#: src/currency-manager.c:55
 msgid "Iranian Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:56
+#: src/currency-manager.c:56
 msgid "Icelandic Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:57
+#: src/currency-manager.c:57
 msgid "Japanese Yen"
 msgstr ""
 
-#: ../src/currency-manager.c:58
+#: src/currency-manager.c:58
 msgid "South Korean Won"
 msgstr ""
 
-#: ../src/currency-manager.c:59
+#: src/currency-manager.c:59
 msgid "Kuwaiti Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:60
+#: src/currency-manager.c:60
 msgid "Kazakhstani Tenge"
 msgstr ""
 
-#: ../src/currency-manager.c:61
+#: src/currency-manager.c:61
 msgid "Sri Lankan Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:62
+#: src/currency-manager.c:62
 msgid "Lithuanian Litas"
 msgstr ""
 
-#: ../src/currency-manager.c:63
+#: src/currency-manager.c:63
 msgid "Latvian Lats"
 msgstr ""
 
-#: ../src/currency-manager.c:64
+#: src/currency-manager.c:64
 msgid "Libyan Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:65
+#: src/currency-manager.c:65
 msgid "Mauritian Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:66
+#: src/currency-manager.c:66
 msgid "Mexican Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:67
+#: src/currency-manager.c:67
 msgid "Malaysian Ringgit"
 msgstr ""
 
-#: ../src/currency-manager.c:68
+#: src/currency-manager.c:68
 msgid "Norwegian Krone"
 msgstr ""
 
-#: ../src/currency-manager.c:69
+#: src/currency-manager.c:69
 msgid "Nepalese Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:70
+#: src/currency-manager.c:70
 msgid "New Zealand Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:71
+#: src/currency-manager.c:71
 msgid "Omani Rial"
 msgstr ""
 
-#: ../src/currency-manager.c:72
+#: src/currency-manager.c:72
 msgid "Peruvian Nuevo Sol"
 msgstr ""
 
-#: ../src/currency-manager.c:73
+#: src/currency-manager.c:73
 msgid "Philippine Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:74
+#: src/currency-manager.c:74
 msgid "Pakistani Rupee"
 msgstr ""
 
-#: ../src/currency-manager.c:75
+#: src/currency-manager.c:75
 msgid "Polish Zloty"
 msgstr ""
 
-#: ../src/currency-manager.c:76
+#: src/currency-manager.c:76
 msgid "Qatari Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:77
+#: src/currency-manager.c:77
 msgid "New Romanian Leu"
 msgstr ""
 
-#: ../src/currency-manager.c:78
+#: src/currency-manager.c:78
 msgid "Russian Rouble"
 msgstr ""
 
-#: ../src/currency-manager.c:79
+#: src/currency-manager.c:79
 msgid "Saudi Riyal"
 msgstr ""
 
-#: ../src/currency-manager.c:80
+#: src/currency-manager.c:80
 msgid "Swedish Krona"
 msgstr ""
 
-#: ../src/currency-manager.c:81
+#: src/currency-manager.c:81
 msgid "Singapore Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:82
+#: src/currency-manager.c:82
 msgid "Thai Baht"
 msgstr ""
 
-#: ../src/currency-manager.c:83
+#: src/currency-manager.c:83
 msgid "Tunisian Dinar"
 msgstr ""
 
-#: ../src/currency-manager.c:84
+#: src/currency-manager.c:84
 msgid "New Turkish Lira"
 msgstr ""
 
-#: ../src/currency-manager.c:85
+#: src/currency-manager.c:85
 msgid "T&T Dollar (TTD)"
 msgstr ""
 
-#: ../src/currency-manager.c:86
+#: src/currency-manager.c:86
 msgid "US Dollar"
 msgstr ""
 
-#: ../src/currency-manager.c:87
+#: src/currency-manager.c:87
 msgid "Uruguayan Peso"
 msgstr ""
 
-#: ../src/currency-manager.c:88
+#: src/currency-manager.c:88
 msgid "Venezuelan Bolívar"
 msgstr ""
 
-#: ../src/currency-manager.c:89
+#: src/currency-manager.c:89
 msgid "South African Rand"
 msgstr ""
 
-#: ../src/financial.c:70
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: ../src/mate-calc.c:79
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 
-#. Description on mate-calc command-line help options displayed on command-
-#. line
-#: ../src/mate-calc.c:87
+#. Description on mate-calc command-line help options displayed on command-line
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -774,14 +909,15 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 
-#. Description on mate-calc command-line GTK+ options displayed on command-
-#. line
-#: ../src/mate-calc.c:98
+#. Description on mate-calc command-line GTK+ options displayed on command-line
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
-"  --class=CLASS                   Program class as used by the window manager\n"
-"  --name=NAME                     Program name as used by the window manager\n"
+"  --class=CLASS                   Program class as used by the window "
+"manager\n"
+"  --name=NAME                     Program name as used by the window "
+"manager\n"
 "  --screen=SCREEN                 X screen to use\n"
 "  --sync                          Make X calls synchronous\n"
 "  --gtk-module=MODULES            Load additional GTK+ modules\n"
@@ -789,7 +925,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: ../src/mate-calc.c:112
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -797,315 +933,325 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: ../src/mate-calc.c:156
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: ../src/mate-calc.c:166
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
 
 #. Tooltip for the Pi button
-#: ../src/math-buttons.c:95
+#: src/math-buttons.c:93
 msgid "Pi [Ctrl+P]"
 msgstr ""
 
 #. Tooltip for the Euler's Number button
-#: ../src/math-buttons.c:98
+#: src/math-buttons.c:96
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: ../src/math-buttons.c:103
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: ../src/math-buttons.c:106
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: ../src/math-buttons.c:109
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: ../src/math-buttons.c:112
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: ../src/math-buttons.c:115
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: ../src/math-buttons.c:118
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: ../src/math-buttons.c:121
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: ../src/math-buttons.c:124
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: ../src/math-buttons.c:127
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
+#. Tooltip for the additional constant button
+#: src/math-buttons.c:132
+msgid "Additional constants"
+msgstr ""
+
 #. Tooltip for the exponent button
-#: ../src/math-buttons.c:130
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: ../src/math-buttons.c:133
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: ../src/math-buttons.c:136
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: ../src/math-buttons.c:139
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: ../src/math-buttons.c:142
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: ../src/math-buttons.c:145
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: ../src/math-buttons.c:148
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: ../src/math-buttons.c:151
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: ../src/math-buttons.c:154
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: ../src/math-buttons.c:157
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: ../src/math-buttons.c:160
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: ../src/math-buttons.c:163
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: ../src/math-buttons.c:166
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: ../src/math-buttons.c:169
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: ../src/math-buttons.c:172
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: ../src/math-buttons.c:175
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: ../src/math-buttons.c:178
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: ../src/math-buttons.c:181
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: ../src/math-buttons.c:184
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: ../src/math-buttons.c:187
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: ../src/math-buttons.c:190
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: ../src/math-buttons.c:193
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: ../src/math-buttons.c:196
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: ../src/math-buttons.c:199
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: ../src/math-buttons.c:202
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: ../src/math-buttons.c:205 ../src/math-buttons.c:992
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: ../src/math-buttons.c:208 ../src/math-buttons.c:994
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: ../src/math-buttons.c:211
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: ../src/math-buttons.c:214
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: ../src/math-buttons.c:217
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: ../src/math-buttons.c:220
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
-#. Tooltip for the truncate button
-#: ../src/math-buttons.c:223
-msgid "Truncate"
-msgstr ""
-
 #. Tooltip for the start group button
-#: ../src/math-buttons.c:226
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: ../src/math-buttons.c:229
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: ../src/math-buttons.c:238
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: ../src/math-buttons.c:241
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: ../src/math-buttons.c:244
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: ../src/math-buttons.c:247
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: ../src/math-buttons.c:250
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: ../src/math-buttons.c:253
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: ../src/math-buttons.c:259
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: ../src/math-buttons.c:265
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: ../src/math-buttons.c:268
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: ../src/math-buttons.c:271
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: ../src/math-buttons.c:624
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: ../src/math-buttons.c:628
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: ../src/math-buttons.c:632
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: ../src/math-buttons.c:636
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: ../src/math-buttons.c:903 ../src/math-buttons.c:946
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1113,1107 +1259,1206 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: ../src/math-buttons.c:907 ../src/math-buttons.c:950
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: ../src/math-buttons.c:996
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: ../src/math-buttons.c:998
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1000
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: ../src/math-buttons.c:1002
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
-#. Label that is displayed between the two conversion combo boxes, e.g.
-#. "[degrees] in [radians]"
-#: ../src/math-converter.c:412
+#. Tooltip for the c₀ component button
+#: src/math-buttons.c:1023
+msgid "Velocity of Light"
+msgstr ""
+
+#: src/math-buttons.c:1023
+msgid "299,792,458 m/s"
+msgstr ""
+
+#. Tooltip for the μ₀ component button
+#: src/math-buttons.c:1025
+msgid "Magnetic constant"
+msgstr ""
+
+#: src/math-buttons.c:1025
+msgid "1.2566370614×10⁻⁶ N/A²"
+msgstr ""
+
+#. Tooltip for the ε₀ button
+#: src/math-buttons.c:1027
+msgid "Electric constant"
+msgstr ""
+
+#: src/math-buttons.c:1027
+msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
+msgstr ""
+
+#. Tooltip for the G button
+#: src/math-buttons.c:1029
+msgid "Newtonian constant of gravitation"
+msgstr ""
+
+#: src/math-buttons.c:1029
+msgid "6.67408×10⁻¹¹ m³/(s²kg)"
+msgstr ""
+
+#. Tooltip for the h button
+#: src/math-buttons.c:1031
+msgid "Planck constant"
+msgstr ""
+
+#: src/math-buttons.c:1031
+msgid "6.62607004×10⁻³⁴ m²kg/s"
+msgstr ""
+
+#. Tooltip for the ｅ button
+#: src/math-buttons.c:1033
+msgid "Elementary charge"
+msgstr ""
+
+#: src/math-buttons.c:1033
+msgid "1.6021766208(98)×10⁻¹⁹ C"
+msgstr ""
+
+#. Tooltip for the mₑ button
+#: src/math-buttons.c:1035
+msgid "Electron mass"
+msgstr ""
+
+#: src/math-buttons.c:1035
+msgid "9.10938356×10⁻³¹ kg"
+msgstr ""
+
+#. Tooltip for the mₚ button
+#: src/math-buttons.c:1037
+msgid "Proton mass"
+msgstr ""
+
+#: src/math-buttons.c:1037
+msgid "1.672621898(21)×10⁻²⁷ kg"
+msgstr ""
+
+#. Tooltip for the Nₐ button
+#: src/math-buttons.c:1039
+msgid "Avogadro constant"
+msgstr ""
+
+#: src/math-buttons.c:1039
+msgid "6.02214086×10²³ mol⁻¹"
+msgstr ""
+
+#. Label that is displayed between the two conversion combo boxes, e.g. "[degrees] in [radians]"
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: ../src/math-converter.c:427
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: ../src/math-equation.c:459
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: ../src/math-equation.c:486
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: ../src/math-equation.c:948
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
-#. Error displayed to user when they perform a bitwise operation on numbers
-#. greater than the current word
-#: ../src/math-equation.c:1230
+#. Error displayed to user when they perform a bitwise operation on numbers greater than the current word
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: ../src/math-equation.c:1235
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: ../src/math-equation.c:1240
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: ../src/math-equation.c:1245
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: ../src/math-equation.c:1253
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: ../src/math-equation.c:1256 ../src/math-equation.c:1261
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: ../src/math-equation.c:1275
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: ../src/math-equation.c:1390
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: ../src/math-equation.c:1462
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: ../src/math-equation.c:1493
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: ../src/math-equation.c:1916
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric
-#. calculations
-#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
-#. grads
-#: ../src/math-preferences.c:256 ../src/unit-manager.c:54
+#. Preferences dialog: Angle unit combo box: Use degrees for trigonometric calculations
+#. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400 grads
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use radians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:260 ../src/unit-manager.c:55
+#. Preferences dialog: Angle unit combo box: Use radians for trigonometric calculations
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
-#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
-#. calculations
-#: ../src/math-preferences.c:264 ../src/unit-manager.c:56
+#. Preferences dialog: Angle unit combo box: Use gradians for trigonometric calculations
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
-#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
-#. number 1.234×10^99)
-#: ../src/math-preferences.c:274
+#. Number display mode combo: Automatic, e.g. 1234 (or scientific for large number 1.234×10^99)
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: ../src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: ../src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: ../src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: ../src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: ../src/math-window.c:212
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#. The translator credits. Please translate this with your name(s).
-#: ../src/math-window.c:239
-msgid "translator-credits"
-msgstr "ìgbóríyìn òǹgbufọ̀"
+#: src/math-window.c:310
+msgid "Sun Microsystems"
+msgstr ""
+
+#: src/math-window.c:311
+msgid "MATE Documentation Team"
+msgstr ""
+
+#: src/math-window.c:317
+msgid ""
+"MATE Calculator is free software; you can redistribute it and/or modify it "
+"under the terms of the GNU General Public License as published by the Free "
+"Software Foundation; either version 2 of the License, or (at your option) "
+"any later version."
+msgstr ""
+
+#: src/math-window.c:321
+msgid ""
+"MATE Calculator is distributed in the hope that it will be useful, but "
+"WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
+"or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for "
+"more details."
+msgstr ""
 
-#. The license this software is under (GPL2+)
-#: ../src/math-window.c:246
+#: src/math-window.c:325
 msgid ""
-"mate-calc is free software; you can redistribute it and/or modify\n"
-"it under the terms of the GNU General Public License as published by\n"
-"the Free Software Foundation; either version 2 of the License, or\n"
-"(at your option) any later version.\n"
-"\n"
-"mate-calc is distributed in the hope that it will be useful,\n"
-"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
-"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n"
-"GNU General Public License for more details.\n"
-"\n"
-"You should have received a copy of the GNU General Public License\n"
-"along with mate-calc; if not, write to the Free Software Foundation, Inc.,\n"
-"151 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
+"You should have received a copy of the GNU General Public License along with "
+"MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: ../src/math-window.c:261
-msgid "mate-calc"
+#: src/math-window.c:362
+#, c-format
+msgid ""
+"Calculator with financial and scientific modes.\n"
+"Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: ../src/math-window.c:265
-msgid "Calculator with financial and scientific modes."
+#: src/math-window.c:368
+msgid "About MATE Calculator"
 msgstr ""
 
+#: src/math-window.c:369
+msgid ""
+"Copyright © 1986–2010 The GCalctool authors\n"
+"Copyright © 2011-2021 MATE developers"
+msgstr ""
+
+#: src/math-window.c:375
+msgid "translator-credits"
+msgstr "ìgbóríyìn òǹgbufọ̀"
+
 #. Calculator menu
-#: ../src/math-window.c:398
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: ../src/math-window.c:400
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
+#. View menu
+#: src/math-window.c:527
+msgid "_View"
+msgstr ""
+
 #. Help menu label
-#: ../src/math-window.c:402
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Ìrànwọ́"
 
 #. Basic menu label
-#: ../src/math-window.c:404
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: ../src/math-window.c:406
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: ../src/math-window.c:408
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: ../src/math-window.c:410
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
+#. History menu label
+#: src/math-window.c:539
+msgid "_History"
+msgstr ""
+
 #. Help>Contents menu label
-#: ../src/math-window.c:412
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Àwọn Àkóónú"
 
-#: ../src/math-window.c:415
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr ""
 
-#: ../src/math-window.c:417
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr ""
 
-#: ../src/math-window.c:419
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Padà Sípò"
 
-#: ../src/math-window.c:421
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr ""
 
-#: ../src/math-window.c:424
+#: src/math-window.c:552
+msgid "_Clear History"
+msgstr ""
+
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Àwọn ìkúndùǹ"
 
-#: ../src/math-window.c:426
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr ""
 
-#: ../src/math-window.c:443
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Nípa"
 
-#. Translators: Error displayed when boolean AND attempted on non-integer
-#. values
-#: ../src/mp-binary.c:115
+#. Translators: Error displayed when boolean AND attempted on non-integer values
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean OR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:128
+#. Translators: Error displayed when boolean OR attempted on non-integer values
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:141
+#. Translators: Error displayed when boolean XOR attempted on non-integer values
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
-#. Translators: Error displayed when boolean XOR attempted on non-integer
-#. values
-#: ../src/mp-binary.c:156
+#. Translators: Error displayed when boolean NOT attempted on non-integer values
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: ../src/mp-binary.c:190
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
 #. Translators: Error display when attempting to take argument of zero
-#: ../src/mp.c:148
+#: src/mp.c:123
 msgid "Argument not defined for zero"
 msgstr ""
 
-#: ../src/mp.c:299
-msgid "Overflow: the result couldn't be calculated"
-msgstr ""
-
 #. Translators: Error displayed attempted to divide by zero
-#: ../src/mp.c:644 ../src/mp.c:676 ../src/mp.c:1605
+#: src/mp.c:236
 msgid "Division by zero is undefined"
 msgstr ""
 
 #. Translators: Error displayed when attempting to take logarithm of zero
-#: ../src/mp.c:1276 ../src/mp.c:1313
+#: src/mp.c:343 src/mp.c:371
 msgid "Logarithm of zero is undefined"
 msgstr ""
 
-#. Translators: Error displayed when attempted to raise 0 to a negative
-#. exponent
-#: ../src/mp.c:1680 ../src/mp.c:1994
-msgid "The power of zero is undefined for a negative exponent"
-msgstr ""
-
-#: ../src/mp.c:1704
-msgid "Reciprocal of zero is undefined"
+#. Translators: Error displayed when attempting to take zeroth root
+#: src/mp.c:434
+msgid "The zeroth root of a number is undefined"
 msgstr ""
 
-#: ../src/mp.c:1789
-msgid "Root must be non-zero"
+#. Translators: Error displayed when attempted take the factorial of a negative or complex number
+#: src/mp.c:474
+msgid "Factorial is only defined for non-negative real numbers"
 msgstr ""
 
-#: ../src/mp.c:1807
-msgid "Negative root of zero is undefined"
+#. Translators: Error displayed when attemping to do a modulus division on non-integer numbers
+#: src/mp.c:504
+msgid "Modulus division is only defined for integers"
 msgstr ""
 
-#: ../src/mp.c:1813
-msgid "nth root of negative number is undefined for even n"
+#. Translators: Error displayed when attempted to raise 0 to a negative exponent
+#. Translators: Error displayed when attempted to raise 0 to a negative re_exponent
+#: src/mp.c:575 src/mp.c:602
+msgid "The power of zero is undefined for a negative exponent"
 msgstr ""
 
-#. Translators: Error displayed when attempted take the factorial of a
-#. fractional number
-#: ../src/mp.c:1934
-msgid "Factorial is only defined for natural numbers"
+#. Translators: Error displayed when error function (erf) value is undefined
+#: src/mp.c:615
+msgid "The error function is only defined for real numbers"
 msgstr ""
 
-#. Translators: Error displayed when attemping to do a modulus division on
-#. non-integer numbers
-#: ../src/mp.c:1954
-msgid "Modulus division is only defined for integers"
+#. Translators: Error displayed when zeta function value is undefined
+#: src/mp.c:632
+msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: ../src/mp-trigonometric.c:310
+#: src/mp-trigonometric.c:116
 msgid ""
-"Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
-"(90°)"
+"Tangent is undefined for angles that are multiples of π (180°) from π∕2 (90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: ../src/mp-trigonometric.c:355
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse cosine value is undefined
-#: ../src/mp-trigonometric.c:372
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic cosine value is
-#. undefined
-#: ../src/mp-trigonometric.c:591
+#. Translators: Error displayed when inverse sine value is undefined
+#: src/mp-trigonometric.c:194
+msgid "Arctangent function is undefined for values i and -i"
+msgstr ""
+
+#. Translators: Error displayed when inverse hyperbolic cosine value is undefined
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
-#. Translators: Error displayed when inverse hyperbolic tangent value is
-#. undefined
-#: ../src/mp-trigonometric.c:615
-msgid "Inverse hyperbolic tangent is undefined for values outside [-1, 1]"
+#. Translators: Error displayed when inverse hyperbolic tangent value is undefined
+#: src/mp-trigonometric.c:262
+msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: ../src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: ../src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: ../src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: ../src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: ../src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: ../src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: ../src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: ../src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: ../src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: ../src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: ../src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: ../src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: ../src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: ../src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: ../src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: ../src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: ../src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: ../src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: ../src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: ../src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: ../src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: ../src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: ../src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: ../src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: ../src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: ../src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: ../src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: ../src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: ../src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: ../src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: ../src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: ../src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: ../src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: ../src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: ../src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: ../src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: ../src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: ../src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: ../src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: ../src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: ../src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: ../src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: ../src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: ../src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: ../src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: ../src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: ../src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: ../src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
-#. Translators: result of currency conversion, %s is the symbol, %%s is the
-#. placeholder for amount, i.e.: USD100
-#: ../src/unit-manager.c:137
+#. Translators: result of currency conversion, %s is the symbol, %%s is the placeholder for amount, i.e.: USD100
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/po/zh_CN.po b/po/zh_CN.po
index 759dd01..f1e64ae 100644
--- a/po/zh_CN.po
+++ b/po/zh_CN.po
@@ -7,24 +7,24 @@
 # e0c668032ced196bd60f2b6a070d982d_8f72ae0, 2018
 # gtrslower, 2018
 # shuyu liu <[email protected]>, 2018
-# Mingcong Bai <[email protected]>, 2018
 # Wolfgang Ulbrich <[email protected]>, 2019
 # CNAmira <[email protected]>, 2019
 # 玉堂白鹤 <[email protected]>, 2020
 # a73a47e368cc011d8f94528bd9d5d3f1_91fccdf <1b07f49e2a323989c85dd26d526f7bb9_871526>, 2020
 # Stefano Karapetsas <[email protected]>, 2020
-# Skylee Ming-Tian Yang <[email protected]>, 2020
-# liulitchi <[email protected]>, 2020
-# Wenbin Lv <[email protected]>, 2021
+# liu lizhi <[email protected]>, 2020
+# OkayPJ <[email protected]>, 2021
+# Mingcong Bai <[email protected]>, 2022
+# Wenbin Lv <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: Wenbin Lv <[email protected]>, 2021\n"
-"Language-Team: Chinese (China) (https://www.transifex.com/mate/teams/13566/zh_CN/)\n"
+"Last-Translator: Wenbin Lv <[email protected]>, 2022\n"
+"Language-Team: Chinese (China) (https://app.transifex.com/mate/teams/13566/zh_CN/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -62,7 +62,7 @@ msgstr "记忆"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "记忆"
 
@@ -70,7 +70,7 @@ msgstr "记忆"
 #: src/buttons-advanced.ui:503 src/buttons-basic.ui:339
 #: src/buttons-financial.ui:2331 src/buttons-programming.ui:2620
 msgid "Exponent"
-msgstr "X^Y"
+msgstr "指数"
 
 #: src/buttons-advanced.ui:529 src/buttons-basic.ui:294
 #: src/buttons-financial.ui:2357
@@ -97,7 +97,7 @@ msgstr "存储"
 #. Accessible name for the inverse button
 #: src/buttons-advanced.ui:791 src/buttons-programming.ui:2594
 msgid "Inverse"
-msgstr "倒数或反函数"
+msgstr "反函数或倒数"
 
 #. Accessible name for the factorial button
 #: src/buttons-advanced.ui:817 src/buttons-programming.ui:2567
@@ -125,7 +125,7 @@ msgstr "常量"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "复利期数"
 
@@ -162,7 +162,7 @@ msgid ""
 "Calculates the number of compounding periods necessary to increase an "
 "investment of present value to a future value, at a fixed interest rate per "
 "compounding period."
-msgstr "计算某投资的现值到一期待值需要的投资周期数，每个投资周期利息率固定。"
+msgstr "计算某投资的现值增加到某一未来值需要的复利周期数，每个复利周期的利率固定。"
 
 #. Compounding Term Dialog: Label before periodic interest rate input
 #. Future Value Dialog: Label before periodic interest rate input
@@ -197,7 +197,7 @@ msgstr "双倍余额递减折旧"
 msgid ""
 "Calculates the depreciation allowance on an asset for a specified period of "
 "time, using the double-declining balance method."
-msgstr "计算某一资产在指定期间的折旧提成，使用加倍余额递减法。"
+msgstr "使用双倍余额递减法计算指定时间段内资产的累计折旧。"
 
 #. Double-Declining Depreciation Dialog: Label before life input
 #. Straight-Line Depreciation Dialog: Label before life input
@@ -205,13 +205,13 @@ msgstr "计算某一资产在指定期间的折旧提成，使用加倍余额递
 #: src/buttons-financial.ui:319 src/buttons-financial.ui:1388
 #: src/buttons-financial.ui:1527
 msgid "_Life:"
-msgstr "年限(_L)："
+msgstr "使用年限(_L)："
 
 #. Double-Declining Depreciation Dialog: Label before period input
 #. Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input
 #: src/buttons-financial.ui:333 src/buttons-financial.ui:1513
 msgid "_Period:"
-msgstr "期(_P)："
+msgstr "使用期(_P)："
 
 #. Double-Declining Depreciation Dialog: Label before cost input
 #. Gross Profit Margin Dialog: Label before cost input
@@ -221,7 +221,7 @@ msgstr "成本(_O)："
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "未来值"
 
@@ -237,7 +237,7 @@ msgid ""
 "Calculates the future value of an investment based on a series of equal "
 "payments at a periodic interest rate over the number of payment periods in "
 "the term."
-msgstr "计算某投资的未来值，按约定付款期数的固定利率下每期等额付款。"
+msgstr "计算某投资的未来值，按照期限内有若干个付款周期、等额付款、每期固定利率。"
 
 #. Future Value Dialog: Label before periodic payment input
 #. Present Value Dialog: Label before periodic payment input
@@ -249,7 +249,7 @@ msgstr "定期付款(_P)："
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "毛利率"
 
@@ -267,7 +267,7 @@ msgstr "利率(_M)："
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "每期付款额"
 
@@ -276,7 +276,7 @@ msgstr "每期付款额"
 msgid ""
 "Calculates the amount of the periodic payment of a loan, where payments are "
 "made at the end of each payment period. "
-msgstr "计算一笔贷款的定期付款数量，在每笔付款期末期付款。"
+msgstr "计算一笔贷款的定期付款数额，在每个付款期期末付款。"
 
 #. Periodic Payment Dialog: Label before term input
 #. Periodic Interest Rate Dialog: Label before term input
@@ -291,7 +291,7 @@ msgstr "本金(_P)："
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "现值"
 
@@ -301,11 +301,11 @@ msgid ""
 "Calculates the present value of an investment based on a series of equal "
 "payments discounted at a periodic interest rate over the number of payment "
 "periods in the term. "
-msgstr "计算基于一系列平等付款的投资现值在付款周期的周期利率数字上的折现。    "
+msgstr "计算某投资的现值，按照期限内有若干个付款周期、等额付款、每期按固定利率贴现。"
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "每期利率"
 
@@ -314,7 +314,7 @@ msgstr "每期利率"
 msgid ""
 "Calculates the periodic interest necessary to increase an investment to a "
 "future value, over the number of compounding periods. "
-msgstr "计算某投资增加到某一未来值需要的每期利率，按复合期数。"
+msgstr "计算某投资经过一定复利期数后增加到某一未来值所所需要的每期利率。"
 
 #. Title of Straight-Line Depreciation dialog
 #: src/buttons-financial.ui:1262
@@ -340,7 +340,7 @@ msgid ""
 "straight-line method of depreciation divides the depreciable cost evenly "
 "over the useful life of an asset. The useful life is the number of periods, "
 "typically years, over which an asset is depreciated. "
-msgstr "计算一个期间某资产的直线折旧。直线折旧法在某资产可用年限内均分折旧成本。可用年限指该资产折旧的期数，典型情况下为年。"
+msgstr "计算某一期限内某资产的直线折旧。直线折旧法在某资产可用年限内均分折旧成本。可用年限指该资产折旧的期数，典型情况下为年。"
 
 #. Title of Sum-of-the-Years'-Digits Depreciation dialog
 #: src/buttons-financial.ui:1446
@@ -356,7 +356,7 @@ msgid ""
 "occurs in earlier periods than in later ones. The useful life is the number "
 "of periods, typically years, over which an asset is depreciated. "
 msgstr ""
-"计算某一资产在指定期间的折旧提成，使用年数总和法。该折旧方法会加速折旧率，因此前期比后期发生更多折旧费用。可用年限指该资产折旧的周期(通常为年)数。"
+"使用年数总和法计算某一资产在指定期限内的累计折旧。该折旧方法会加快折旧率，因此前期比后期发生更多折旧费用。可用年限指该资产折旧的周期（通常为年）数。"
 
 #. Title of Payment Period dialog
 #: src/buttons-financial.ui:1659
@@ -374,7 +374,7 @@ msgid ""
 "Calculates the number of payment periods that are necessary during the term "
 "of an ordinary annuity, to accumulate a future value, at a periodic interest"
 " rate."
-msgstr "计算期限内普通年金积累到某一未来值需要的付款期数，按某一每期利率。"
+msgstr "计算在普通年金期限内以定期利率累积未来值所需的支付期数。"
 
 #. Calculates the number of compounding periods necessary to increase an
 #. investment of present value pv to a future value of fv, at a fixed interest
@@ -389,7 +389,7 @@ msgstr "复利"
 #. http://en.wikipedia.org/wiki/Depreciation
 #: src/buttons-financial.ui:2181
 msgid "Ddb"
-msgstr "Ddb"
+msgstr "双倍"
 
 #. Calculates the future value of an investment based on a series of equal
 #. payments, each of amount pmt, at a periodic interest rate of int, over the
@@ -397,7 +397,7 @@ msgstr "Ddb"
 #. http://en.wikipedia.org/wiki/Future_value
 #: src/buttons-financial.ui:2196
 msgid "Fv"
-msgstr "Fv"
+msgstr "未来"
 
 #. Calculates the number of payment periods that are necessary during the term
 #. of an ordinary annuity, to accumulate a future value of fv, at a periodic
@@ -416,7 +416,7 @@ msgstr "期数"
 #. http://en.wikipedia.org/wiki/Depreciation
 #: src/buttons-financial.ui:2226
 msgid "Syd"
-msgstr "Syd"
+msgstr "年总"
 
 #. Calculates the straight-line depreciation of an asset for one period. The
 #. depreciable cost is cost - salvage. The straight-line method of
@@ -426,7 +426,7 @@ msgstr "Syd"
 #. http://en.wikipedia.org/wiki/Depreciation
 #: src/buttons-financial.ui:2241
 msgid "Sln"
-msgstr "Sln"
+msgstr "直线"
 
 #. Calculates the periodic interest necessary to increase an investment of
 #. present value pv to a future value of fv, over the number of compounding
@@ -441,25 +441,25 @@ msgstr "利率"
 #. http://en.wikipedia.org/wiki/Present_value
 #: src/buttons-financial.ui:2271
 msgid "Pv"
-msgstr "Pv"
+msgstr "现值"
 
 #. Calculates the amount of the periodic payment of a loan, where payments are
 #. made at the end of each payment period. See also:
 #. http://en.wikipedia.org/wiki/Amortization_schedule
 #: src/buttons-financial.ui:2286
 msgid "Pmt"
-msgstr "Pmt"
+msgstr "付款"
 
 #. Calculates the resale price of a product, based on the product cost and the
 #. wanted gross profit margin. See also:
 #. http://en.wikipedia.org/wiki/Gross_profit_margin
 #: src/buttons-financial.ui:2301
 msgid "Gpm"
-msgstr "Gpm"
+msgstr "毛利"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "插入字符编码"
 
@@ -509,7 +509,7 @@ msgid "64-bit"
 msgstr "64 位"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "首选项"
 
@@ -548,14 +548,14 @@ msgstr "MATE 计算器"
 
 #: data/mate-calc.appdata.xml.in:8
 msgid "MATE Desktop calculator"
-msgstr "MATE 计算器"
+msgstr "MATE 桌面计算器"
 
 #: data/mate-calc.appdata.xml.in:10
 msgid ""
 "MATE Calc is a powerful graphical calculator with financial, logical and "
 "scientific modes. It uses a multiple precision package to do its arithmetic "
 "to give a high degree of accuracy."
-msgstr "MATE Calc 是一款功能强大的图形计算器，有三种模式：财务，逻辑和科学。 为了提高精度，它使用多精度软件包进行数学运算。"
+msgstr "MATE 计算器是一款功能强大的图形计算器，有三种模式：财务，逻辑和科学。 为了提高精度，它使用多精度软件包进行数学运算。"
 
 #: data/mate-calc.appdata.xml.in:15
 msgid ""
@@ -563,15 +563,14 @@ msgid ""
 "If you would like to know more about MATE and MATE Calc, please visit the "
 "project's home page."
 msgstr ""
-"MATE Calc 为 MATE 桌面环境的一部分，是 GNOME Calc 的复刻。想了解更多 MATE 及 MATE Calc "
-"的信息，请访问项目主页。"
+"MATE 计算器为 MATE 桌面环境的一部分，是 GNOME 计算器的分叉。想了解更多 MATE 及 MATE 计算器的信息，请访问项目主页。"
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE 计算器"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "计算器"
 
@@ -583,7 +582,8 @@ msgstr "执行算术、科学或财务计算"
 #. localize the semicolons! The list MUST also end with a semicolon!
 #: data/mate-calc.desktop.in:13
 msgid "calculator;MATE;scientific;arithmetic;financial;calculations;"
-msgstr "计算器;MATE;科学;算术;财务;计算;"
+msgstr ""
+"calculator;MATE;scientific;arithmetic;financial;calculations;计算器;科学;算术;财务;计算;"
 
 #: data/org.mate.calc.gschema.xml:25
 msgid "Accuracy value"
@@ -649,7 +649,7 @@ msgstr "角度单位"
 
 #: data/org.mate.calc.gschema.xml:63
 msgid "The angle units to use"
-msgstr "使用角度单位"
+msgstr "使用的角度单位"
 
 #: data/org.mate.calc.gschema.xml:67
 msgid "Button mode"
@@ -661,7 +661,7 @@ msgstr "按钮模式"
 
 #: data/org.mate.calc.gschema.xml:72
 msgid "Source currency"
-msgstr "起始货币"
+msgstr "源货币"
 
 #: data/org.mate.calc.gschema.xml:73
 msgid "Currency of the current calculation"
@@ -673,15 +673,15 @@ msgstr "目标货币"
 
 #: data/org.mate.calc.gschema.xml:78
 msgid "Currency to convert the current calculation into"
-msgstr "转换到的货币单位"
+msgstr "当前计算转换到的货币"
 
 #: data/org.mate.calc.gschema.xml:82
 msgid "Source units"
-msgstr "起始单位"
+msgstr "源单位"
 
 #: data/org.mate.calc.gschema.xml:83
 msgid "Units of the current calculation"
-msgstr "当前计量的单位"
+msgstr "当前计算的单位"
 
 #: data/org.mate.calc.gschema.xml:87
 msgid "Target units"
@@ -689,7 +689,7 @@ msgstr "目标单位"
 
 #: data/org.mate.calc.gschema.xml:88
 msgid "Units to convert the current calculation into"
-msgstr "转换到的计量单位"
+msgstr "当前计算转换到的单位"
 
 #: src/currency-manager.c:30
 msgid "UAE Dirham"
@@ -931,23 +931,23 @@ msgstr "委内瑞拉玻利瓦尔"
 msgid "South African Rand"
 msgstr "南非兰特"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
-msgstr "错误：周期必须为正数"
+msgstr "错误：周期数必须为正数"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
 "  %s — Perform mathematical calculations"
 msgstr ""
 "用法：\n"
-"  %s - 执行数学计算"
+"  %s — 执行数学计算"
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -957,14 +957,14 @@ msgid ""
 "  --help-gtk                      Show GTK+ options"
 msgstr ""
 "帮助选项：\n"
-"  -v, --version\t显示程序版本\n"
-"  -h, -?, --help\t显示帮助选项\n"
-"  -help-all\t\t显示所有帮助选项\n"
-"  -help-gtk\t\t显示 GTK+ 选项"
+"  -v, --version                   显示程序版本\n"
+"  -h, -?, --help                  显示帮助选项\n"
+"  --help-all                      显示所有帮助选项\n"
+"  --help-gtk                      显示 GTK+ 选项"
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -979,28 +979,28 @@ msgstr ""
 "  --class=类                     窗口管理器所用的程序类\n"
 "  --name=名称                    窗口管理器所用的程序名\n"
 "  --screen=屏幕                  要使用的 X 屏幕\n"
-"  --sync                         同步 X 调用\n"
+"  --sync                         使 X 调用同步\n"
 "  --gtk-module=模块              加载额外的 GTK+ 模块\n"
-"  --g-fatal-warnings             给出所有重要警告"
+"  --g-fatal-warnings             使所有警告变为致命错误"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
 "  -s, --solve <equation>          Solve the given equation"
 msgstr ""
 "程序选项：\n"
-"  -s，--solve <方程>              求解给出的方程"
+"  -s, --solve <方程>              求解给出的方程"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "参数 --solve 需要一个方程以便求解"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "未知参数“%s”"
@@ -1015,294 +1015,304 @@ msgstr "圆周率 [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "欧拉数"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "虚数单位"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "小数点"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "下标模式 [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "上标模式 [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "科学记数法 [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "加法 [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "减法 [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "乘法 [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "除法 [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "求余数"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
-msgstr "附加函数"
+msgstr "额外的函数"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
-msgstr "补充常数"
+msgstr "额外的常量"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "乘方 [^ 或 **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "平方 [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "百分数 [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "阶乘 [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "绝对值 [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
-msgstr "复变量"
+msgstr "复数辐角"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "复共轭"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "根 [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "平方根 [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
-msgstr "常用对数(以 10 为底)"
+msgstr "常用对数（以 10 为底）"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
-msgstr "自然对数(以 e 为底)"
+msgstr "自然对数（以 e 为底）"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "正弦"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "余弦"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "正切"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "双曲正弦"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "双曲余弦"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "双曲正切"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "反正弦"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "反余弦"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "反正切"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "反函数或倒数 [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "逻辑与"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "逻辑或"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "逻辑异或"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "逻辑非"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "整数部分"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "小数部分"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "实数部分"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "虚数部分"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "反码"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "补码"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "开始组 [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "结束组 [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "计算结果"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "质因数分解 [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "清除显示 [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "撤销 [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "左移 [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "右侧 [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "双倍余额递减折旧"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "财务"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "年数总和法折旧"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "直线折旧"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "二进制"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "八进制"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "十进制"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "十六进制"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1310,195 +1320,195 @@ msgstr[0] "_%d 位"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "%d 位"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "舍入"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
-msgstr "下限"
+msgstr "向下取整"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
-msgstr "上限"
+msgstr "向上取整"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "符号"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "光速"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 m/s"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "磁常数"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "真空介电常量"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "万有引力常数"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "普朗克常量"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
-msgstr "基本电荷"
+msgstr "元电荷"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "电子质量"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "质子质量"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
-msgstr "阿伏伽德罗常数"
+msgstr "阿伏加德罗常数"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr " 换算为 "
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
-msgstr "转换单位"
+msgstr "交换单位"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "无撤销记录"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "无重做记录"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
-msgstr "没有要存储的标准值"
+msgstr "没有正常的值可以存储"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
-msgstr "溢出。请尝试一个更大的字长"
+msgstr "溢出。请尝试使用更长的字长"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "未知变量“%s”"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "函数“%s”未定义"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
-msgstr "未知转换"
+msgstr "未知的转换"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
-msgstr "”%s“ 表达式格式错误"
+msgstr "表达式在记号“%s”处有格式错误"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "表达式格式错误"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
-msgstr "计算"
+msgstr "正在计算"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
-msgstr "分解因式运算需要一个整数"
+msgstr "质因数分解需要一个整数"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
-msgstr "没有正常数值可用于移位"
+msgstr "没有正常的值可用于移位"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "显示的值不是整数"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1506,91 +1516,91 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
-msgstr "角度(_G)"
+msgstr "角度"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "弧度"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "百分度"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "自动"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "定点数"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "科学"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "工程"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "显示 %d 个十进制位(_P)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "无法打开帮助文件"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "Sun Microsystems"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE 文档团队"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
 "Software Foundation; either version 2 of the License, or (at your option) "
 "any later version."
 msgstr ""
-"MATE 计算器为自由软件；在自由软件基金会发表的 GNU GPL 协议下，任何人都可自由发布或修改该软件；GPL 协议应采用第二版或后续版本。"
+"MATE 计算器是自由软件；您可以按照自由软件基金会所发布的 GNU "
+"通用公共许可证再分发和/或修改它；您可以使用此许可证的第二版或（依您所愿）任何更新的版本。"
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
 "or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for"
 " more details."
 msgstr ""
-"MATE Calculator "
-"发表的目的是希望它能够对您有用，但我们没有任何保证；对于以任何用途使用它所造成的任何直接或间接后果都不承担任何责任。请参看GNU GPL 协议中的细节。"
+"分发 MATE 计算器的目的是希望它对您有用，但没有任何保证；甚至没有对适销性或特定用途适用性的默示保证。请阅读 GNU 通用公共许可证以了解更多细节。"
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
-"MATE 计算器附有 GNU GPL 协议的副本；如未发现协议，请写信给自由软件基金会，地址是 51 Franklin Street, Fifth "
-"Floor, Boston, MA 02110-1301 USA 。"
+"您应该在收到 MATE 计算器的同时也收到了 GNU 通用公共许可证的副本；如果没有收到该许可证的话，您可以写信给自由软件基金会，地址是：51 "
+"Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA"
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1599,19 +1609,19 @@ msgstr ""
 "具有财务和科学模式的计算器。\n"
 "使用 GNU MPFR %s 和 GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
-msgstr "关于 MATE Calculator"
+msgstr "关于 MATE 计算器"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
-"版权所有 © 1986–2010 GCalctool 作者\n"
-"版权所有 © 2011-2021 MATE 开发者"
+"Copyright © 1986–2010 GCalctool 作者\n"
+"Copyright © 2011-2021 MATE 开发者"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Christopher Meng <[email protected]>, 2012-2013\n"
@@ -1623,123 +1633,124 @@ msgstr ""
 "玉堂白鹤 <[email protected]>, 2015\n"
 "Mingye Wang <[email protected]>, 2015-2016\n"
 "白铭骢 <[email protected]>, 2015-2016\n"
-"刘子兴 <[email protected]>, 2015-2016"
+"刘子兴 <[email protected]>, 2015-2016\n"
+"Wenbin Lv <[email protected]>, 2021-2022"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "计算器(_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "模式(_M)"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
-msgstr "视图(_V)"
+msgstr "查看(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "帮助(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "基本(_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "高级(_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "财务(_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "编程(_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "历史(_H)"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "目录(_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "复制(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "粘贴(_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
-msgstr "撤消(_U)"
+msgstr "撤销(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "重做(_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "清除历史(_C)"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
-msgstr "属性(_P)"
+msgstr "首选项(_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "退出(_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "关于(_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
-msgstr "逻辑与运算只对正整数有定义"
+msgstr "逻辑与运算只对正整数定义"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "逻辑或运算只对正整数定义"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "逻辑异或运算只对正整数定义"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "逻辑非运算只对正整数定义"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "只能对整数值进行移位运算"
 
 #. Translators: Error display when attempting to take argument of zero
 #: src/mp.c:123
 msgid "Argument not defined for zero"
-msgstr "参数值不能为零"
+msgstr "零的辐角未定义"
 
 #. Translators: Error displayed attempted to divide by zero
 #: src/mp.c:236
@@ -1774,7 +1785,7 @@ msgstr "取模运算仅对整数有意义"
 #. re_exponent
 #: src/mp.c:575 src/mp.c:602
 msgid "The power of zero is undefined for a negative exponent"
-msgstr "负数的零次幂未定义"
+msgstr "零的负数次幂未定义"
 
 #. Translators: Error displayed when error function (erf) value is undefined
 #: src/mp.c:615
@@ -1787,767 +1798,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "黎曼 zeta 函数仅对不等于 1 的实数有定义"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
-msgstr "正切函数对 (n+1/2)*π (90°，270° ...) 无意义"
+msgstr "正切函数对与 π∕2 (90°) 的差为 π (180°) 的整数倍的角未定义"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
-msgstr "反正弦函数在 [-1，1] 范围之外无意义"
+msgstr "反正弦函数在 [-1，1] 范围之外未定义"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
-msgstr "反余弦函数在 [-1,1] 范围之外无意义"
+msgstr "反余弦函数在 [-1,1] 范围之外未定义"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "反正切函数对 i 和 -i 未定义"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
-msgstr "对小于 1 的数求反双曲余弦函数无意义"
+msgstr "反双曲余弦函数对小于 1 的数未定义"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
-msgstr "反双曲正切函数在(-1, 1)之外未定义"
+msgstr "反双曲正切函数在 (-1, 1) 之外未定义"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s degrees"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degree,degrees,deg"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s radians"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s gradians"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "秒差距"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "光年"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "天文单位"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "海里"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "英里"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "千米"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometers,km,kms"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "链长"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "英寻"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "米"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meters,m"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "码"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "英尺"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot,feet,ft"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "英寸"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "厘米"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimeters,cm,cms"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "毫米"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,millimeters,mm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "微米"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometer,micrometers,um"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "纳米"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometers,nm"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "公顷"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "英亩"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "平方米"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "平方厘米"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "平方毫米"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "立方米"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "加仑"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "公升"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,liter,liters,L"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "夸脱"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "品脱"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "毫升"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "微升"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "吨"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonne,tonnes"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "千克"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "磅"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound,pounds,lb"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "盎司"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "克"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,gramme,grammes,g"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "年"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s years"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "year,years"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "天"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s days"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "day,days"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "时"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s hours"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hour,hours"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "分"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s minutes"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute,minutes"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "秒"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "second,seconds,s"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "毫秒"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond,milliseconds,ms"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "微秒"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecond,microseconds,us,μs"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "摄氏温标"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s ˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "华氏度"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s ˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "开氏温标"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "兰金"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s ˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "角度"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "长度"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "面积"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
-msgstr "音量"
+msgstr "体积"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "重量"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
-msgstr "时长"
+msgstr "时间"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "温度"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "货币"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/zh_HK.po b/po/zh_HK.po
index ba076b9..7563829 100644
--- a/po/zh_HK.po
+++ b/po/zh_HK.po
@@ -9,12 +9,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Chinese (Hong Kong) (https://www.transifex.com/mate/teams/13566/zh_HK/)\n"
+"Language-Team: Chinese (Hong Kong) (https://app.transifex.com/mate/teams/13566/zh_HK/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -52,7 +52,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "記憶"
 
@@ -115,7 +115,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "複利期間"
 
@@ -211,7 +211,7 @@ msgstr "花費(_O)："
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "未來值"
 
@@ -239,7 +239,7 @@ msgstr "定期付款(_P)："
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "毛利率"
 
@@ -257,7 +257,7 @@ msgstr "盈餘(_M)："
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "定期付款"
 
@@ -281,7 +281,7 @@ msgstr "本金(_P)："
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "現值"
 
@@ -295,7 +295,7 @@ msgstr "計算投資的現值，根據一系列等額付款，按照約定付款
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "定期利率"
 
@@ -450,7 +450,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "插入字符代碼"
 
@@ -500,7 +500,7 @@ msgid "64-bit"
 msgstr "64 位元"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "偏好設定"
 
@@ -555,12 +555,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE 計數機"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "計數機"
 
@@ -920,12 +920,12 @@ msgstr "委內瑞拉波利瓦爾"
 msgid "South African Rand"
 msgstr "南非蘭特"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "錯誤：週期數必須為正"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -936,7 +936,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -952,7 +952,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -972,7 +972,7 @@ msgstr ""
 "  --g-fatal-warnings              將所有警告設為嚴重的"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -982,13 +982,13 @@ msgstr ""
 "  -s, --solve <equation>          解開指定的算式"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "引數 --solve 需要指定想解開的方程式"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "不明的引數「%s」"
@@ -1003,294 +1003,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "歐拉數"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "下標數字模式 [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "上標數字模式 [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "科學記號 [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "加號 [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "減號 [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "乘號 [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "除號 [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "餘數除法"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "額外的函數"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "指數 [^ 或 **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "平方 [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "百分比 [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "階乘 [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "絕對值 [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "複數輻角"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "共軛複數"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "開根號 [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "平方根 [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "對數"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "自然對數"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "正弦"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "餘弦"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "正切"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "雙曲正弦"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "雙曲餘弦"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "雙曲正切"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "反轉正弦"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "反轉餘弦"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "反正切"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "反轉 [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "邏輯 AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "邏輯 OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "邏輯排除 OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "邏輯 NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "整數部分"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "小數部分"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "實數部分"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "虛數部分"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "1 的補數"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "2 的補數"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "括號開頭 [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "括號結尾 [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "計算結果"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "因數分解 [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "清除顯示 [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "復原 [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "雙倍餘額遞減折舊法"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "理財期數"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "年數總和折舊法"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "直線折舊法"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "2 進位"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "8 進位"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "10 進位"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "16 進制數字"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1298,195 +1308,195 @@ msgstr[0] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "四捨五入"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "下限"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "上限"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "符號函數"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "轉為"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "切換轉換單位"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "沒有復原紀錄"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "沒有取消復原紀錄"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "沒有正常數值可以儲存"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "溢位。請嘗試更大的字詞大小"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "不明的變數「%s」"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "尚未定義函數「%s」"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "不明的換算"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "算式中的符號「%s」錯誤"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "算式錯誤"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "計算中"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "需要整數才能因數分解"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "沒有正常數值可以進行移位"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "顯示的數值不是整數值"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1494,63 +1504,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "度"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "弧度"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "梯度"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "自動"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "固定的"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "科學計算"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "工程"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "顯示小數點後 %d 位數(_P)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "無法開啟求助檔案"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1558,7 +1568,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1566,31 +1576,31 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Launchpad Contributions:\n"
@@ -1598,113 +1608,113 @@ msgstr ""
 "  yanq.wang https://launchpad.net/~nile-wangyq"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "計數機(_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "模式(_M)"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "檢視(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "求助(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "基本模式(_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "進階模式(_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "財務計算模式(_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "軟件開發(_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "內容(_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "複製(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "貼上(_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "復原(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "取消復原(_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "偏好設定(_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "結束(_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "關於(_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "邏輯 AND 只能用於正整數"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "邏輯 OR 只能用於正整數"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "邏輯 XOR 只能用於正整數"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "邏輯 NOT 只能用於正整數"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "位移只能用在整數值"
 
@@ -1759,767 +1769,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr "正切對於角度 (n+1/2)*π (90°, 270°...) 並無意義"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "反正弦不能用於超過 [-1, 1] 的數值"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "反餘弦不能用於超過 [-1, 1] 的數值"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "反雙曲餘弦不能用於小於 1 的數值"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s 度"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degree,degrees,deg,度"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s 弧度"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad,弧度"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s 梯度"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad,梯度"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "秒差距"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc,秒差距"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "光年"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly,光年"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "天文單位"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au,天文單位"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "海哩"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi,海哩"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "英里"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi,英里"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "公里"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometers,km,kms,公里"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "鏈"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb,鏈"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "英噚"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm,英噚"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "米"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meters,m,米,米"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "碼"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd,碼"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "英尺"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot,feet,ft,英尺"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "英吋"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in,英吋"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "厘米"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimeters,cm,cms,厘米"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "毫米"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,millimeters,mm,毫米"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "微米"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometer,micrometers,um,微米"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "納米"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometers,nm,納米"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "公頃"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha,公頃"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "英畝"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres,英畝"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "平方米"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²,平方米"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "平方厘米"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²,平方厘米"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "平方毫米"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²,平方毫米"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "立方米"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³,立方米"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "加侖"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal,加侖"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "公升"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,liter,liters,L,公升"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "夸脫"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt,夸脫"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "品脫"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt,品脫"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "毫升"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,milliliter,milliliters,mL,cm³,毫升"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "微升"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL,微升"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "公噸"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonne,tonnes,公噸"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "公斤"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs,公斤"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "鎊"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound,pounds,lb,磅"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "盎司"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz,盎司"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "公克"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,gramme,grammes,g,公克"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "年"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s 年"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "year,years,年"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "天"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s 天"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "day,days,天"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "小時"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s 小時"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hour,hours,小時"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "分鐘"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s 分鐘"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute,minutes,分鐘"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "秒鐘"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "second,seconds,s,秒鐘"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "亳秒"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond,milliseconds,ms,毫秒"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "微秒"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecond,microseconds,us,μs,微秒"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "攝氏"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C,攝氏"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "華氏"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F,華氏"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "絕對溫度"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K,絕對溫度"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "蘭金"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra,蘭金"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "角"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "長度"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "區域"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "體積"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "闊度"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "期間"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "溫度"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "貨幣"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/zh_TW.po b/po/zh_TW.po
index 66fad43..504c88e 100644
--- a/po/zh_TW.po
+++ b/po/zh_TW.po
@@ -7,17 +7,17 @@
 # Walter Cheuk <[email protected]>, 2018
 # 趙惟倫 <[email protected]>, 2018
 # Woodman Tuen <[email protected]>, 2019
-# Stefano Karapetsas <[email protected]>, 2020
-# 黃柏諺 <[email protected]>, 2021
+# Stefano Karapetsas <[email protected]>, 2022
+# 黃柏諺 <[email protected]>, 2022
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
-"Last-Translator: 黃柏諺 <[email protected]>, 2021\n"
-"Language-Team: Chinese (Taiwan) (https://www.transifex.com/mate/teams/13566/zh_TW/)\n"
+"Last-Translator: 黃柏諺 <[email protected]>, 2022\n"
+"Language-Team: Chinese (Taiwan) (https://app.transifex.com/mate/teams/13566/zh_TW/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -55,7 +55,7 @@ msgstr "x"
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr "記憶"
 
@@ -118,7 +118,7 @@ msgstr "const"
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr "複利期間"
 
@@ -214,7 +214,7 @@ msgstr "花費(_O)："
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr "未來值"
 
@@ -242,7 +242,7 @@ msgstr "定期付款(_P)："
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr "毛利率"
 
@@ -260,7 +260,7 @@ msgstr "盈餘(_M)："
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr "定期付款"
 
@@ -284,7 +284,7 @@ msgstr "本金(_P)："
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr "現值"
 
@@ -298,7 +298,7 @@ msgstr "計算投資的現值，根據一系列等額付款，按照約定付款
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr "定期利率"
 
@@ -453,7 +453,7 @@ msgstr "Gpm"
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr "插入字元代碼"
 
@@ -503,7 +503,7 @@ msgid "64-bit"
 msgstr "64 位元"
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr "偏好設定"
 
@@ -560,12 +560,12 @@ msgstr ""
 "MATE Calc 是一個 GNOME Calc 的分支以及 MATE 桌面環境的一部份。若您想要知道更多關於 MATE 與 MATE Calc "
 "的資訊，請拜訪專案首頁。"
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr "MATE 計算機"
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr "計算機"
 
@@ -925,12 +925,12 @@ msgstr "委內瑞拉波利瓦爾"
 msgid "South African Rand"
 msgstr "南非蘭特"
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr "錯誤：週期數必須為正"
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -941,7 +941,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -957,7 +957,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -977,7 +977,7 @@ msgstr ""
 "  --g-fatal-warnings              將所有警告設為嚴重的"
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -987,13 +987,13 @@ msgstr ""
 "  -s, --solve <equation>          解開指定的算式"
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr "引數 --solve 需要指定想解開的方程式"
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr "不明的引數「%s」"
@@ -1008,294 +1008,304 @@ msgstr "Pi [Ctrl+P]"
 msgid "Euler’s Number"
 msgstr "歐拉數"
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr "虛數單位"
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr "小數點"
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr "下標數字模式 [Alt]"
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr "上標數字模式 [Ctrl]"
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr "科學記號 [Ctrl+E]"
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr "加號 [+]"
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr "減號 [-]"
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr "乘號 [*]"
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr "除號 [/]"
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr "餘數除法"
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr "額外的函數"
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr "額外的常數"
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr "指數 [^ 或 **]"
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr "平方 [Ctrl+2]"
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr "百分比 [%]"
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr "階乘 [!]"
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr "絕對值 [|]"
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr "複數輻角"
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr "共軛複數"
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr "開根號 [Ctrl+R]"
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr "平方根 [Ctrl+R]"
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr "對數"
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr "自然對數"
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr "正弦"
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr "餘弦"
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr "正切"
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr "雙曲正弦"
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr "雙曲餘弦"
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr "雙曲正切"
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr "反正弦"
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr "反餘弦"
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr "反正切"
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr "反轉 [Ctrl+I]"
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr "布林 AND"
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr "布林 OR"
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr "布林排除 OR"
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr "布林 NOT"
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr "整數部分"
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr "小數部分"
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr "實數部分"
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr "虛數部分"
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr "1 的補數"
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr "2 的補數"
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr "括號開頭 [(]"
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr "括號結尾 [)]"
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr "計算結果"
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr "因數分解 [Ctrl+F]"
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr "清除顯示 [Escape]"
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr "復原 [Ctrl+Z]"
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr "向左平移 [<<]"
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr "向右平移 [>>]"
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr "雙倍餘額遞減折舊法"
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr "理財期數"
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr "年數總和折舊法"
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr "直線折舊法"
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr "2 進位"
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr "8 進位"
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr "10 進位"
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr "16 進位"
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1303,195 +1313,195 @@ msgstr[0] "_%d 個位"
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
 msgstr[0] "%d 個位"
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr "四捨五入"
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr "下限"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr "上限"
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr "符號函數"
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr "光速"
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr "299,792,458 公尺／秒"
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr "磁力常數"
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr "1.2566370614×10⁻⁶ N/A²"
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr "電力常數"
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr "8.85418782×10⁻¹² s⁴A²/m³kg"
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr "牛頓萬有引力常數"
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr "6.67408×10⁻¹¹ m³/(s²kg)"
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr "普朗克常數"
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr "6.62607004×10⁻³⁴ m²kg/s"
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr "基本電荷"
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr "1.6021766208(98)×10⁻¹⁹ C"
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr "電子質量"
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr "9.10938356×10⁻³¹ kg"
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr "質子質量"
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr "1.672621898(21)×10⁻²⁷ kg"
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr "亞佛加厥常數"
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr "6.02214086×10²³ mol⁻¹"
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr "轉為"
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr "切換轉換單位"
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr "沒有復原紀錄"
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr "沒有取消復原紀錄"
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr "沒有正常數值可以儲存"
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr "溢位。請嘗試更大的字詞大小"
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr "不明的變數「%s」"
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr "尚未定義函數「%s」"
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr "不明的換算"
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr "算式中的符號「%s」錯誤"
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr "算式錯誤"
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr "計算中"
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr "需要整數才能因數分解"
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr "沒有正常數值可以進行移位"
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr "顯示的數值不是整數值"
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 
@@ -1499,63 +1509,63 @@ msgstr "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr "度"
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr "弧度"
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr "梯度"
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr "自動"
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr "固定的"
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr "科學計算"
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr "工程"
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr "顯示小數點後 %d 位數(_P)"
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr "無法開啟求助檔案"
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr "昇陽電腦"
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr "MATE 文件團隊"
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1565,7 +1575,7 @@ msgstr ""
 "MATE 計算機為自由軟體；您可依據自由軟體基金會所發表的 GNU 通用公共授權\n"
 "條款規定，就本程式再為散布與／或修改；無論您依據的是本授權的第二版或（您自行選擇的）任一日後發行的版本。"
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1574,7 +1584,7 @@ msgid ""
 msgstr ""
 "MATE 計算機係基於使用目的而加以散布，然而不負任何擔保責任；亦無對適售性或特定目的適用性所為的默示性擔保。詳情請參照 GNU 通用公共授權。"
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
@@ -1583,7 +1593,7 @@ msgstr ""
 "您應該已收到附於 MATE 計算機的 GNU 通用公共授權的副本。如果沒有，請寫信至：Free Software Foundation, Inc., "
 "51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA"
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
@@ -1592,11 +1602,11 @@ msgstr ""
 "有財務與科學模式的計算機。\n"
 "使用 GNU MPFR %s 與 GNU MPC %s"
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr "關於 MATE 計算機"
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
@@ -1604,7 +1614,7 @@ msgstr ""
 "Copyright © 1986–2010 GCalctool 作者群\n"
 "Copyright © 2011–2021 MATE 開發者"
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "黃柏諺 <[email protected]>,2013-14\n"
@@ -1615,113 +1625,113 @@ msgstr ""
 "Walter Cheuk <[email protected]>, 2016."
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr "計算機(_C)"
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr "模式(_M)"
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "檢視(_V)"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "說明(_H)"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr "基本模式(_B)"
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr "進階模式(_A)"
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr "財務計算模式(_F)"
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr "軟體開發(_P)"
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr "歷史紀錄(_H)"
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "內容(_C)"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "複製(_C)"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "貼上(_P)"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "復原(_U)"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "重做(_R)"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr "清除歷史紀錄(_C)"
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "偏好設定(_P)"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "結束(_Q)"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "關於(_A)"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr "布林 AND 只能用於正整數"
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr "布林 OR 只能用於正整數"
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr "布林 XOR 只能用於正整數"
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr "布林 NOT 只能用於正整數"
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr "位移只能用在整數值"
 
@@ -1776,767 +1786,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr "黎曼 ζ 函數僅能用於不等於 1 的實數"
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr "正切對於角度 (n+1/2)*π (90°, 270°...) 並無意義"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr "反正弦不能用於超過 [-1, 1] 的數值"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr "反餘弦不能用於超過 [-1, 1] 的數值"
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr "反正切函數不能用於 i 與 -i"
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr "反雙曲餘弦不能用於小於 1 的數值"
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr "反雙曲正切不能用於 (-1, 1) 外的值"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr "%s 度"
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr "degree,degrees,deg,度"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr "%s 弧度"
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr "radian,radians,rad,弧度"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr "%s 梯度"
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr "gradian,gradians,grad,梯度"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr "秒差距"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr "%s pc"
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr "parsec,parsecs,pc,秒差距"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr "光年"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr "%s ly"
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr "lightyear,lightyears,ly,光年"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr "天文單位"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr "%s au"
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr "au,天文單位"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr "海哩"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr "%s nmi"
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr "nmi,海哩"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr "英里"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr "%s mi"
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr "mile,miles,mi,英里"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr "公里"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr "%s km"
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr "kilometer,kilometers,km,kms,公里"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr "鏈"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr "%s cb"
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr "cable,cables,cb,鏈"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr "英噚"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr "%s ftm"
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr "fathom,fathoms,ftm,英噚"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr "公尺"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr "%s m"
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr "meter,meters,m,米,公尺"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr "碼"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr "%s yd"
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr "yard,yards,yd,碼"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr "英尺"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr "%s ft"
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr "foot,feet,ft,英尺"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr "英吋"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr "%s in"
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr "inch,inches,in,英吋"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr "公分"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr "%s cm"
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr "centimeter,centimeters,cm,cms,公分"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr "毫米"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr "%s mm"
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr "millimeter,millimeters,mm,毫米"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr "微米"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr "%s μm"
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr "micrometer,micrometers,um,微米"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr "奈米"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr "%s nm"
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr "nanometer,nanometers,nm,奈米"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr "公頃"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr "%s ha"
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr "hectare,hectares,ha,公頃"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr "英畝"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr "%s acres"
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr "acre,acres,英畝"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr "平方公尺"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr "%s m²"
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr "m²,平方公尺"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr "平方公分"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr "%s cm²"
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr "cm²,平方公分"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr "平方毫米"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr "%s mm²"
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr "mm²,平方毫米"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr "立方公尺"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr "%s m³"
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr "m³,立方公尺"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr "加侖"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr "%s gal"
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr "gallon,gallons,gal,加侖"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr "公升"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr "%s L"
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr "litre,litres,liter,liters,L,公升"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr "夸脫"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr "%s qt"
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr "quart,quarts,qt,夸脫"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr "品脫"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr "%s pt"
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr "pint,pints,pt,品脫"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr "毫升"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr "%s mL"
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr "millilitre,millilitres,milliliter,milliliters,mL,cm³,毫升"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr "微升"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr "%s μL"
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr "mm³,μL,uL,微升"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr "公噸"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr "%s T"
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr "tonne,tonnes,公噸"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr "公斤"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr "%s kg"
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs,公斤"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr "鎊"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr "%s lb"
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr "pound,pounds,lb,磅"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr "盎司"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr "%s oz"
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr "ounce,ounces,oz,盎司"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr "公克"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr "%s g"
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr "gram,grams,gramme,grammes,g,公克"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr "年"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr "%s 年"
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr "year,years,年"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr "天"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr "%s 天"
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr "day,days,天"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr "小時"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr "%s 小時"
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr "hour,hours,小時"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr "分鐘"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr "%s 分鐘"
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr "minute,minutes,分鐘"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr "秒鐘"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr "%s s"
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr "second,seconds,s,秒鐘"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr "亳秒"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr "%s ms"
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr "millisecond,milliseconds,ms,毫秒"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr "微秒"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr "%s μs"
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr "microsecond,microseconds,us,μs,微秒"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr "攝氏"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr "%s˚C"
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr "degC,˚C,攝氏"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr "華氏"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr "%s˚F"
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr "degF,˚F,華氏"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr "凱氏"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr "%s K"
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr "K"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr "蘭金"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr "%s˚R"
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr "degR,˚R,˚Ra,蘭金"
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr "角"
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr "長度"
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr "區域"
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr "音量"
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr "寬度"
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr "期間"
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr "溫度"
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr "貨幣"
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr "%s%%s"
diff --git a/po/zu.po b/po/zu.po
index 0a19d7c..a4c6fe3 100644
--- a/po/zu.po
+++ b/po/zu.po
@@ -8,12 +8,12 @@
 # 
 msgid ""
 msgstr ""
-"Project-Id-Version: mate-calc 1.25.0\n"
+"Project-Id-Version: mate-calc 1.26.0\n"
 "Report-Msgid-Bugs-To: https://github.com/mate-desktop/mate-calc/issues\n"
-"POT-Creation-Date: 2021-05-30 11:18+0200\n"
+"POT-Creation-Date: 2022-10-28 17:41+0200\n"
 "PO-Revision-Date: 2018-03-11 16:33+0000\n"
 "Last-Translator: Stefano Karapetsas <[email protected]>, 2020\n"
-"Language-Team: Zulu (https://www.transifex.com/mate/teams/13566/zu/)\n"
+"Language-Team: Zulu (https://app.transifex.com/mate/teams/13566/zu/)\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
@@ -51,7 +51,7 @@ msgstr ""
 #. Accessible name for the memory value button
 #. Tooltip for the memory button
 #: src/buttons-advanced.ui:417 src/buttons-financial.ui:1894
-#: src/math-buttons.c:230
+#: src/math-buttons.c:234
 msgid "Memory"
 msgstr ""
 
@@ -114,7 +114,7 @@ msgstr ""
 
 #. Title of Compounding Term dialog
 #. Tooltip for the compounding term button
-#: src/buttons-financial.ui:8 src/math-buttons.c:254
+#: src/buttons-financial.ui:8 src/math-buttons.c:258
 msgid "Compounding Term"
 msgstr ""
 
@@ -210,7 +210,7 @@ msgstr ""
 
 #. Title of Future Value dialog
 #. Tooltip for the future value button
-#: src/buttons-financial.ui:374 src/math-buttons.c:260
+#: src/buttons-financial.ui:374 src/math-buttons.c:264
 msgid "Future Value"
 msgstr ""
 
@@ -238,7 +238,7 @@ msgstr ""
 
 #. Title of Gross Profit Margin dialog
 #. Tooltip for the gross profit margin button
-#: src/buttons-financial.ui:557 src/math-buttons.c:281
+#: src/buttons-financial.ui:557 src/math-buttons.c:285
 msgid "Gross Profit Margin"
 msgstr ""
 
@@ -256,7 +256,7 @@ msgstr ""
 
 #. Title of Periodic Payment dialog
 #. Tooltip for the periodic payment button
-#: src/buttons-financial.ui:710 src/math-buttons.c:278
+#: src/buttons-financial.ui:710 src/math-buttons.c:282
 msgid "Periodic Payment"
 msgstr ""
 
@@ -280,7 +280,7 @@ msgstr ""
 
 #. Title of Present Value dialog
 #. Tooltip for the present value button
-#: src/buttons-financial.ui:894 src/math-buttons.c:275
+#: src/buttons-financial.ui:894 src/math-buttons.c:279
 msgid "Present Value"
 msgstr ""
 
@@ -294,7 +294,7 @@ msgstr ""
 
 #. Title of Periodic Interest Rate dialog
 #. Tooltip for the periodic interest rate button
-#: src/buttons-financial.ui:1078 src/math-buttons.c:272
+#: src/buttons-financial.ui:1078 src/math-buttons.c:276
 msgid "Periodic Interest Rate"
 msgstr ""
 
@@ -447,7 +447,7 @@ msgstr ""
 
 #. Title of insert character code dialog
 #. Tooltip for the insert character code button
-#: src/buttons-programming.ui:8 src/math-buttons.c:233
+#: src/buttons-programming.ui:8 src/math-buttons.c:237
 msgid "Insert Character Code"
 msgstr ""
 
@@ -497,7 +497,7 @@ msgid "64-bit"
 msgstr ""
 
 #. Title of preferences dialog
-#: src/preferences.ui:60 src/math-preferences.c:239
+#: src/preferences.ui:60 src/math-preferences.c:221
 msgid "Preferences"
 msgstr ""
 
@@ -552,12 +552,12 @@ msgid ""
 "project's home page."
 msgstr ""
 
-#: data/mate-calc.desktop.in:3 src/math-window.c:368
+#: data/mate-calc.desktop.in:3 src/math-window.c:366
 msgid "MATE Calculator"
 msgstr ""
 
 #. Title of main window
-#: data/mate-calc.desktop.in:4 src/math-window.c:723
+#: data/mate-calc.desktop.in:4 src/math-window.c:716
 msgid "Calculator"
 msgstr ""
 
@@ -917,12 +917,12 @@ msgstr ""
 msgid "South African Rand"
 msgstr ""
 
-#: src/financial.c:79
+#: src/financial.c:78
 msgid "Error: the number of periods must be positive"
 msgstr ""
 
 #. Description on how to use mate-calc displayed on command-line
-#: src/mate-calc.c:86
+#: src/mate-calc.c:83
 #, c-format
 msgid ""
 "Usage:\n"
@@ -931,7 +931,7 @@ msgstr ""
 
 #. Description on mate-calc command-line help options displayed on command-
 #. line
-#: src/mate-calc.c:94
+#: src/mate-calc.c:91
 #, c-format
 msgid ""
 "Help Options:\n"
@@ -943,7 +943,7 @@ msgstr ""
 
 #. Description on mate-calc command-line GTK+ options displayed on command-
 #. line
-#: src/mate-calc.c:105
+#: src/mate-calc.c:102
 #, c-format
 msgid ""
 "GTK+ Options:\n"
@@ -956,7 +956,7 @@ msgid ""
 msgstr ""
 
 #. Description on mate-calc application options displayed on command-line
-#: src/mate-calc.c:119
+#: src/mate-calc.c:116
 #, c-format
 msgid ""
 "Application Options:\n"
@@ -964,13 +964,13 @@ msgid ""
 msgstr ""
 
 #. Error printed to stderr when user uses --solve argument without an equation
-#: src/mate-calc.c:167
+#: src/mate-calc.c:163
 #, c-format
 msgid "Argument --solve requires an equation to solve"
 msgstr ""
 
 #. Error printed to stderr when user provides an unknown command-line argument
-#: src/mate-calc.c:178
+#: src/mate-calc.c:174
 #, c-format
 msgid "Unknown argument '%s'"
 msgstr ""
@@ -985,294 +985,304 @@ msgstr ""
 msgid "Euler’s Number"
 msgstr ""
 
+#. Tooltip for the imaginary number button
+#: src/math-buttons.c:99
+msgid "Imaginary unit"
+msgstr ""
+
+#. Tooltip for the numeric point button
+#: src/math-buttons.c:102
+msgid "Decimal point"
+msgstr ""
+
 #. Tooltip for the subscript button
-#: src/math-buttons.c:101
+#: src/math-buttons.c:105
 msgid "Subscript mode [Alt]"
 msgstr ""
 
 #. Tooltip for the superscript button
-#: src/math-buttons.c:104
+#: src/math-buttons.c:108
 msgid "Superscript mode [Ctrl]"
 msgstr ""
 
 #. Tooltip for the scientific exponent button
-#: src/math-buttons.c:107
+#: src/math-buttons.c:111
 msgid "Scientific exponent [Ctrl+E]"
 msgstr ""
 
 #. Tooltip for the add button
-#: src/math-buttons.c:110
+#: src/math-buttons.c:114
 msgid "Add [+]"
 msgstr ""
 
 #. Tooltip for the subtract button
-#: src/math-buttons.c:113
+#: src/math-buttons.c:117
 msgid "Subtract [-]"
 msgstr ""
 
 #. Tooltip for the multiply button
-#: src/math-buttons.c:116
+#: src/math-buttons.c:120
 msgid "Multiply [*]"
 msgstr ""
 
 #. Tooltip for the divide button
-#: src/math-buttons.c:119
+#: src/math-buttons.c:123
 msgid "Divide [/]"
 msgstr ""
 
 #. Tooltip for the modulus divide button
-#: src/math-buttons.c:122
+#: src/math-buttons.c:126
 msgid "Modulus divide"
 msgstr ""
 
 #. Tooltip for the additional functions button
-#: src/math-buttons.c:125
+#: src/math-buttons.c:129
 msgid "Additional Functions"
 msgstr ""
 
 #. Tooltip for the additional constant button
-#: src/math-buttons.c:128
+#: src/math-buttons.c:132
 msgid "Additional constants"
 msgstr ""
 
 #. Tooltip for the exponent button
-#: src/math-buttons.c:131
+#: src/math-buttons.c:135
 msgid "Exponent [^ or **]"
 msgstr ""
 
 #. Tooltip for the square button
-#: src/math-buttons.c:134
+#: src/math-buttons.c:138
 msgid "Square [Ctrl+2]"
 msgstr ""
 
 #. Tooltip for the percentage button
-#: src/math-buttons.c:137
+#: src/math-buttons.c:141
 msgid "Percentage [%]"
 msgstr ""
 
 #. Tooltip for the factorial button
-#: src/math-buttons.c:140
+#: src/math-buttons.c:144
 msgid "Factorial [!]"
 msgstr ""
 
 #. Tooltip for the absolute value button
-#: src/math-buttons.c:143
+#: src/math-buttons.c:147
 msgid "Absolute value [|]"
 msgstr ""
 
 #. Tooltip for the complex argument component button
-#: src/math-buttons.c:146
+#: src/math-buttons.c:150
 msgid "Complex argument"
 msgstr ""
 
 #. Tooltip for the complex conjugate button
-#: src/math-buttons.c:149
+#: src/math-buttons.c:153
 msgid "Complex conjugate"
 msgstr ""
 
 #. Tooltip for the root button
-#: src/math-buttons.c:152
+#: src/math-buttons.c:156
 msgid "Root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the square root button
-#: src/math-buttons.c:155
+#: src/math-buttons.c:159
 msgid "Square root [Ctrl+R]"
 msgstr ""
 
 #. Tooltip for the logarithm button
-#: src/math-buttons.c:158
+#: src/math-buttons.c:162
 msgid "Logarithm"
 msgstr ""
 
 #. Tooltip for the natural logarithm button
-#: src/math-buttons.c:161
+#: src/math-buttons.c:165
 msgid "Natural Logarithm"
 msgstr ""
 
 #. Tooltip for the sine button
-#: src/math-buttons.c:164
+#: src/math-buttons.c:168
 msgid "Sine"
 msgstr ""
 
 #. Tooltip for the cosine button
-#: src/math-buttons.c:167
+#: src/math-buttons.c:171
 msgid "Cosine"
 msgstr ""
 
 #. Tooltip for the tangent button
-#: src/math-buttons.c:170
+#: src/math-buttons.c:174
 msgid "Tangent"
 msgstr ""
 
 #. Tooltip for the hyperbolic sine button
-#: src/math-buttons.c:173
+#: src/math-buttons.c:177
 msgid "Hyperbolic Sine"
 msgstr ""
 
 #. Tooltip for the hyperbolic cosine button
-#: src/math-buttons.c:176
+#: src/math-buttons.c:180
 msgid "Hyperbolic Cosine"
 msgstr ""
 
 #. Tooltip for the hyperbolic tangent button
-#: src/math-buttons.c:179
+#: src/math-buttons.c:183
 msgid "Hyperbolic Tangent"
 msgstr ""
 
 #. Tooltip for the inverse sine button
-#: src/math-buttons.c:182
+#: src/math-buttons.c:186
 msgid "Inverse Sine"
 msgstr ""
 
 #. Tooltip for the inverse cosine button
-#: src/math-buttons.c:185
+#: src/math-buttons.c:189
 msgid "Inverse Cosine"
 msgstr ""
 
 #. Tooltip for the inverse tangent button
-#: src/math-buttons.c:188
+#: src/math-buttons.c:192
 msgid "Inverse Tangent"
 msgstr ""
 
 #. Tooltip for the inverse button
-#: src/math-buttons.c:191
+#: src/math-buttons.c:195
 msgid "Inverse [Ctrl+I]"
 msgstr ""
 
 #. Tooltip for the boolean AND button
-#: src/math-buttons.c:194
+#: src/math-buttons.c:198
 msgid "Boolean AND"
 msgstr ""
 
 #. Tooltip for the boolean OR button
-#: src/math-buttons.c:197
+#: src/math-buttons.c:201
 msgid "Boolean OR"
 msgstr ""
 
 #. Tooltip for the exclusive OR button
-#: src/math-buttons.c:200
+#: src/math-buttons.c:204
 msgid "Boolean Exclusive OR"
 msgstr ""
 
 #. Tooltip for the boolean NOT button
-#: src/math-buttons.c:203
+#: src/math-buttons.c:207
 msgid "Boolean NOT"
 msgstr ""
 
 #. Tooltip for the integer component button
-#: src/math-buttons.c:206 src/math-buttons.c:997
+#: src/math-buttons.c:210 src/math-buttons.c:972
 msgid "Integer Component"
 msgstr ""
 
 #. Tooltip for the fractional component button
-#: src/math-buttons.c:209 src/math-buttons.c:999
+#: src/math-buttons.c:213 src/math-buttons.c:974
 msgid "Fractional Component"
 msgstr ""
 
 #. Tooltip for the real component button
-#: src/math-buttons.c:212
+#: src/math-buttons.c:216
 msgid "Real Component"
 msgstr ""
 
 #. Tooltip for the imaginary component button
-#: src/math-buttons.c:215
+#: src/math-buttons.c:219
 msgid "Imaginary Component"
 msgstr ""
 
 #. Tooltip for the ones' complement button
-#: src/math-buttons.c:218
+#: src/math-buttons.c:222
 msgid "Ones' Complement"
 msgstr ""
 
 #. Tooltip for the two's complement button
-#: src/math-buttons.c:221
+#: src/math-buttons.c:225
 msgid "Two's Complement"
 msgstr ""
 
 #. Tooltip for the start group button
-#: src/math-buttons.c:224
+#: src/math-buttons.c:228
 msgid "Start Group [(]"
 msgstr ""
 
 #. Tooltip for the end group button
-#: src/math-buttons.c:227
+#: src/math-buttons.c:231
 msgid "End Group [)]"
 msgstr ""
 
 #. Tooltip for the solve button
-#: src/math-buttons.c:236
+#: src/math-buttons.c:240
 msgid "Calculate Result"
 msgstr ""
 
 #. Tooltip for the factor button
-#: src/math-buttons.c:239
+#: src/math-buttons.c:243
 msgid "Factorize [Ctrl+F]"
 msgstr ""
 
 #. Tooltip for the clear button
-#: src/math-buttons.c:242
+#: src/math-buttons.c:246
 msgid "Clear Display [Escape]"
 msgstr ""
 
 #. Tooltip for the undo button
-#: src/math-buttons.c:245
+#: src/math-buttons.c:249
 msgid "Undo [Ctrl+Z]"
 msgstr ""
 
 #. Tooltip for the shift left button
-#: src/math-buttons.c:248
+#: src/math-buttons.c:252
 msgid "Shift Left [<<]"
 msgstr ""
 
 #. Tooltip for the shift right button
-#: src/math-buttons.c:251
+#: src/math-buttons.c:255
 msgid "Shift Right [>>]"
 msgstr ""
 
 #. Tooltip for the double declining depreciation button
-#: src/math-buttons.c:257
+#: src/math-buttons.c:261
 msgid "Double Declining Depreciation"
 msgstr ""
 
 #. Tooltip for the financial term button
-#: src/math-buttons.c:263
+#: src/math-buttons.c:267
 msgid "Financial Term"
 msgstr ""
 
 #. Tooltip for the sum of the years digits depreciation button
-#: src/math-buttons.c:266
+#: src/math-buttons.c:270
 msgid "Sum of the Years Digits Depreciation"
 msgstr ""
 
 #. Tooltip for the straight line depreciation button
-#: src/math-buttons.c:269
+#: src/math-buttons.c:273
 msgid "Straight Line Depreciation"
 msgstr ""
 
 #. Number display mode combo: Binary, e.g. 10011010010₂
-#: src/math-buttons.c:630
+#: src/math-buttons.c:624
 msgid "Binary"
 msgstr ""
 
 #. Number display mode combo: Octal, e.g. 2322₈
-#: src/math-buttons.c:634
+#: src/math-buttons.c:628
 msgid "Octal"
 msgstr ""
 
 #. Number display mode combo: Decimal, e.g. 1234
-#: src/math-buttons.c:638
+#: src/math-buttons.c:632
 msgid "Decimal"
 msgstr ""
 
 #. Number display mode combo: Hexadecimal, e.g. 4D2₁₆
-#: src/math-buttons.c:642
+#: src/math-buttons.c:636
 msgid "Hexadecimal"
 msgstr ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n < 10)
 #. Right Shift Popup: Menu item to shift right by n places (n < 10)
-#: src/math-buttons.c:910 src/math-buttons.c:952
+#: src/math-buttons.c:888 src/math-buttons.c:929
 #, c-format
 msgid "_%d place"
 msgid_plural "_%d places"
@@ -1281,7 +1291,7 @@ msgstr[1] ""
 
 #. Left Shift Popup: Menu item to shift left by n places (n >= 10)
 #. Right Shift Popup: Menu item to shift right by n places (n >= 10)
-#: src/math-buttons.c:914 src/math-buttons.c:956
+#: src/math-buttons.c:892 src/math-buttons.c:933
 #, c-format
 msgid "%d place"
 msgid_plural "%d places"
@@ -1289,188 +1299,188 @@ msgstr[0] ""
 msgstr[1] ""
 
 #. Tooltip for the round button
-#: src/math-buttons.c:1001
+#: src/math-buttons.c:976
 msgid "Round"
 msgstr ""
 
 #. Tooltip for the floor button
-#: src/math-buttons.c:1003
+#: src/math-buttons.c:978
 msgid "Floor"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1005
+#: src/math-buttons.c:980
 msgid "Ceiling"
 msgstr ""
 
 #. Tooltip for the ceiling button
-#: src/math-buttons.c:1007
+#: src/math-buttons.c:982
 msgid "Sign"
 msgstr ""
 
 #. Tooltip for the c₀ component button
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "Velocity of Light"
 msgstr ""
 
-#: src/math-buttons.c:1049
+#: src/math-buttons.c:1023
 msgid "299,792,458 m/s"
 msgstr ""
 
 #. Tooltip for the μ₀ component button
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "Magnetic constant"
 msgstr ""
 
-#: src/math-buttons.c:1051
+#: src/math-buttons.c:1025
 msgid "1.2566370614×10⁻⁶ N/A²"
 msgstr ""
 
 #. Tooltip for the ε₀ button
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "Electric constant"
 msgstr ""
 
-#: src/math-buttons.c:1053
+#: src/math-buttons.c:1027
 msgid "8.85418782×10⁻¹² s⁴A²/m³kg"
 msgstr ""
 
 #. Tooltip for the G button
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "Newtonian constant of gravitation"
 msgstr ""
 
-#: src/math-buttons.c:1055
+#: src/math-buttons.c:1029
 msgid "6.67408×10⁻¹¹ m³/(s²kg)"
 msgstr ""
 
 #. Tooltip for the h button
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "Planck constant"
 msgstr ""
 
-#: src/math-buttons.c:1057
+#: src/math-buttons.c:1031
 msgid "6.62607004×10⁻³⁴ m²kg/s"
 msgstr ""
 
 #. Tooltip for the ｅ button
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "Elementary charge"
 msgstr ""
 
-#: src/math-buttons.c:1059
+#: src/math-buttons.c:1033
 msgid "1.6021766208(98)×10⁻¹⁹ C"
 msgstr ""
 
 #. Tooltip for the mₑ button
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "Electron mass"
 msgstr ""
 
-#: src/math-buttons.c:1061
+#: src/math-buttons.c:1035
 msgid "9.10938356×10⁻³¹ kg"
 msgstr ""
 
 #. Tooltip for the mₚ button
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "Proton mass"
 msgstr ""
 
-#: src/math-buttons.c:1063
+#: src/math-buttons.c:1037
 msgid "1.672621898(21)×10⁻²⁷ kg"
 msgstr ""
 
 #. Tooltip for the Nₐ button
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "Avogadro constant"
 msgstr ""
 
-#: src/math-buttons.c:1065
+#: src/math-buttons.c:1039
 msgid "6.02214086×10²³ mol⁻¹"
 msgstr ""
 
 #. Label that is displayed between the two conversion combo boxes, e.g.
 #. "[degrees] in [radians]"
-#: src/math-converter.c:418
+#: src/math-converter.c:401
 msgid " in "
 msgstr ""
 
 #. Tooltip for swap conversion button
-#: src/math-converter.c:433
+#: src/math-converter.c:416
 msgid "Switch conversion units"
 msgstr ""
 
 #. Error shown when trying to undo with no undo history
-#: src/math-equation.c:460
+#: src/math-equation.c:444
 msgid "No undo history"
 msgstr ""
 
 #. Error shown when trying to redo with no redo history
-#: src/math-equation.c:487
+#: src/math-equation.c:470
 msgid "No redo history"
 msgstr ""
 
-#: src/math-equation.c:949
+#: src/math-equation.c:897
 msgid "No sane value to store"
 msgstr ""
 
 #. Error displayed to user when they perform a bitwise operation on numbers
 #. greater than the current word
-#: src/math-equation.c:1258
+#: src/math-equation.c:1190
 msgid "Overflow. Try a bigger word size"
 msgstr ""
 
 #. Error displayed to user when they an unknown variable is entered
-#: src/math-equation.c:1263
+#: src/math-equation.c:1195
 #, c-format
 msgid "Unknown variable '%s'"
 msgstr ""
 
 #. Error displayed to user when an unknown function is entered
-#: src/math-equation.c:1268
+#: src/math-equation.c:1200
 #, c-format
 msgid "Function '%s' is not defined"
 msgstr ""
 
 #. Error displayed to user when an conversion with unknown units is attempted
-#: src/math-equation.c:1273
+#: src/math-equation.c:1205
 msgid "Unknown conversion"
 msgstr ""
 
 #. Uncategorized error. Show error token to user
-#: src/math-equation.c:1281
+#: src/math-equation.c:1213
 #, c-format
 msgid "Malformed expression at token '%s'"
 msgstr ""
 
 #. Unknown error.
 #. Error displayed to user when they enter an invalid calculation
-#: src/math-equation.c:1284 src/math-equation.c:1289
+#: src/math-equation.c:1216 src/math-equation.c:1221
 msgid "Malformed expression"
 msgstr ""
 
-#: src/math-equation.c:1304
+#: src/math-equation.c:1235
 msgid "Calculating"
 msgstr ""
 
 #. Error displayed when trying to factorize a non-integer value
-#: src/math-equation.c:1443
+#: src/math-equation.c:1370
 msgid "Need an integer to factorize"
 msgstr ""
 
 #. This message is displayed in the status bar when a bit
 #. shift operation is performed and the display does not contain a number
-#: src/math-equation.c:1516
+#: src/math-equation.c:1439
 msgid "No sane value to bitwise shift"
 msgstr ""
 
 #. Message displayed when cannot toggle bit in display
-#: src/math-equation.c:1549
+#: src/math-equation.c:1471
 msgid "Displayed value not an integer"
 msgstr ""
 
 #. Digits localized for the given language
-#: src/math-equation.c:1997
+#: src/math-equation.c:1909
 msgid "0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F"
 msgstr ""
 
@@ -1478,63 +1488,63 @@ msgstr ""
 #. calculations
 #. FIXME: Approximations of 1/(units in a circle), therefore, 360 deg != 400
 #. grads
-#: src/math-preferences.c:256 src/unit-manager.c:54
+#: src/math-preferences.c:238 src/unit-manager.c:51
 msgid "Degrees"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use radians for trigonometric
 #. calculations
-#: src/math-preferences.c:260 src/unit-manager.c:55
+#: src/math-preferences.c:242 src/unit-manager.c:52
 msgid "Radians"
 msgstr ""
 
 #. Preferences dialog: Angle unit combo box: Use gradians for trigonometric
 #. calculations
-#: src/math-preferences.c:264 src/unit-manager.c:56
+#: src/math-preferences.c:246 src/unit-manager.c:53
 msgid "Gradians"
 msgstr ""
 
 #. Number display mode combo: Automatic, e.g. 1234 (or scientific for large
 #. number 1.234×10^99)
-#: src/math-preferences.c:274
+#: src/math-preferences.c:256
 msgid "Automatic"
 msgstr ""
 
 #. Number display mode combo: Fixed, e.g. 1234
-#: src/math-preferences.c:278
+#: src/math-preferences.c:260
 msgid "Fixed"
 msgstr ""
 
 #. Number display mode combo: Scientific, e.g. 1.234×10^3
-#: src/math-preferences.c:282
+#: src/math-preferences.c:264
 msgid "Scientific"
 msgstr ""
 
 #. Number display mode combo: Engineering, e.g. 1.234k
-#: src/math-preferences.c:286
+#: src/math-preferences.c:268
 msgid "Engineering"
 msgstr ""
 
 #. Label used in preferences dialog.  The %d is replaced by a spinbutton
-#: src/math-preferences.c:297
+#: src/math-preferences.c:279
 #, c-format
 msgid "Show %d decimal _places"
 msgstr ""
 
 #. Translators: Error message displayed when unable to launch help browser
-#: src/math-window.c:294
+#: src/math-window.c:292
 msgid "Unable to open help file"
 msgstr ""
 
-#: src/math-window.c:312
+#: src/math-window.c:310
 msgid "Sun Microsystems"
 msgstr ""
 
-#: src/math-window.c:313
+#: src/math-window.c:311
 msgid "MATE Documentation Team"
 msgstr ""
 
-#: src/math-window.c:319
+#: src/math-window.c:317
 msgid ""
 "MATE Calculator is free software; you can redistribute it and/or modify it "
 "under the terms of the GNU General Public License as published by the Free "
@@ -1542,7 +1552,7 @@ msgid ""
 "any later version."
 msgstr ""
 
-#: src/math-window.c:323
+#: src/math-window.c:321
 msgid ""
 "MATE Calculator is distributed in the hope that it will be useful, but "
 "WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY "
@@ -1550,144 +1560,144 @@ msgid ""
 " more details."
 msgstr ""
 
-#: src/math-window.c:327
+#: src/math-window.c:325
 msgid ""
 "You should have received a copy of the GNU General Public License along with"
 " MATE Calculator; if not, write to the Free Software Foundation, Inc., 51 "
 "Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA."
 msgstr ""
 
-#: src/math-window.c:364
+#: src/math-window.c:362
 #, c-format
 msgid ""
 "Calculator with financial and scientific modes.\n"
 "Using GNU MPFR %s and GNU MPC %s"
 msgstr ""
 
-#: src/math-window.c:370
+#: src/math-window.c:368
 msgid "About MATE Calculator"
 msgstr ""
 
-#: src/math-window.c:371
+#: src/math-window.c:369
 msgid ""
 "Copyright © 1986–2010 The GCalctool authors\n"
 "Copyright © 2011-2021 MATE developers"
 msgstr ""
 
-#: src/math-window.c:377
+#: src/math-window.c:375
 msgid "translator-credits"
 msgstr ""
 "Kemi Translations <[email protected]>Translate.org.za "
 "<[email protected]>"
 
 #. Calculator menu
-#: src/math-window.c:526
+#: src/math-window.c:523
 msgid "_Calculator"
 msgstr ""
 
 #. Mode menu
-#: src/math-window.c:528
+#: src/math-window.c:525
 msgid "_Mode"
 msgstr ""
 
 #. View menu
-#: src/math-window.c:530
+#: src/math-window.c:527
 msgid "_View"
 msgstr "_Bheka"
 
 #. Help menu label
-#: src/math-window.c:532
+#: src/math-window.c:529
 msgid "_Help"
 msgstr "_Usizo"
 
 #. Basic menu label
-#: src/math-window.c:534
+#: src/math-window.c:531
 msgid "_Basic"
 msgstr ""
 
 #. Advanced menu label
-#: src/math-window.c:536
+#: src/math-window.c:533
 msgid "_Advanced"
 msgstr ""
 
 #. Financial menu label
-#: src/math-window.c:538
+#: src/math-window.c:535
 msgid "_Financial"
 msgstr ""
 
 #. Programming menu label
-#: src/math-window.c:540
+#: src/math-window.c:537
 msgid "_Programming"
 msgstr ""
 
 #. History menu label
-#: src/math-window.c:542
+#: src/math-window.c:539
 msgid "_History"
 msgstr ""
 
 #. Help>Contents menu label
-#: src/math-window.c:544
+#: src/math-window.c:541
 msgid "_Contents"
 msgstr "_Iziqikithi"
 
-#: src/math-window.c:547
+#: src/math-window.c:544
 msgid "_Copy"
 msgstr "_Kopisha"
 
-#: src/math-window.c:549
+#: src/math-window.c:546
 msgid "_Paste"
 msgstr "_Namathisela"
 
-#: src/math-window.c:551
+#: src/math-window.c:548
 msgid "_Undo"
 msgstr "_Ungakwenzi"
 
-#: src/math-window.c:553
+#: src/math-window.c:550
 msgid "_Redo"
 msgstr "_Yenza futhi"
 
-#: src/math-window.c:555
+#: src/math-window.c:552
 msgid "_Clear History"
 msgstr ""
 
-#: src/math-window.c:558
+#: src/math-window.c:555
 msgid "_Preferences"
 msgstr "_Okuthandekayo"
 
-#: src/math-window.c:560
+#: src/math-window.c:557
 msgid "_Quit"
 msgstr "_Phuma"
 
-#: src/math-window.c:581
+#: src/math-window.c:578
 msgid "_About"
 msgstr "_Nge"
 
 #. Translators: Error displayed when boolean AND attempted on non-integer
 #. values
-#: src/mp-binary.c:119
+#: src/mp-binary.c:114
 msgid "Boolean AND is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean OR attempted on non-integer
 #. values
-#: src/mp-binary.c:132
+#: src/mp-binary.c:126
 msgid "Boolean OR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean XOR attempted on non-integer
 #. values
-#: src/mp-binary.c:145
+#: src/mp-binary.c:138
 msgid "Boolean XOR is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when boolean NOT attempted on non-integer
 #. values
-#: src/mp-binary.c:162
+#: src/mp-binary.c:154
 msgid "Boolean NOT is only defined for positive integers"
 msgstr ""
 
 #. Translators: Error displayed when bit shift attempted on non-integer values
-#: src/mp-binary.c:175
+#: src/mp-binary.c:166
 msgid "Shift is only possible on integer values"
 msgstr ""
 
@@ -1742,767 +1752,767 @@ msgid "The Riemann zeta function is only defined for real numbers ≠1"
 msgstr ""
 
 #. Translators: Error displayed when tangent value is undefined
-#: src/mp-trigonometric.c:120
+#: src/mp-trigonometric.c:116
 msgid ""
 "Tangent is undefined for angles that are multiples of π (180°) from π∕2 "
 "(90°)"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:150
+#: src/mp-trigonometric.c:145
 msgid "Inverse sine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:175
+#: src/mp-trigonometric.c:169
 msgid "Inverse cosine is undefined for values outside [-1, 1]"
 msgstr ""
 
 #. Translators: Error displayed when inverse sine value is undefined
-#: src/mp-trigonometric.c:201
+#: src/mp-trigonometric.c:194
 msgid "Arctangent function is undefined for values i and -i"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic cosine value is
 #. undefined
-#: src/mp-trigonometric.c:253
+#: src/mp-trigonometric.c:241
 msgid "Inverse hyperbolic cosine is undefined for values less than one"
 msgstr ""
 
 #. Translators: Error displayed when inverse hyperbolic tangent value is
 #. undefined
-#: src/mp-trigonometric.c:275
+#: src/mp-trigonometric.c:262
 msgid "Inverse hyperbolic tangent is undefined for values outside (-1, 1)"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 #, c-format
 msgctxt "unit-format"
 msgid "%s degrees"
 msgstr ""
 
-#: src/unit-manager.c:54
+#: src/unit-manager.c:51
 msgctxt "unit-symbols"
 msgid "degree,degrees,deg"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 #, c-format
 msgctxt "unit-format"
 msgid "%s radians"
 msgstr ""
 
-#: src/unit-manager.c:55
+#: src/unit-manager.c:52
 msgctxt "unit-symbols"
 msgid "radian,radians,rad"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 #, c-format
 msgctxt "unit-format"
 msgid "%s gradians"
 msgstr ""
 
-#: src/unit-manager.c:56
+#: src/unit-manager.c:53
 msgctxt "unit-symbols"
 msgid "gradian,gradians,grad"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgid "Parsecs"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 #, c-format
 msgctxt "unit-format"
 msgid "%s pc"
 msgstr ""
 
-#: src/unit-manager.c:57
+#: src/unit-manager.c:54
 msgctxt "unit-symbols"
 msgid "parsec,parsecs,pc"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgid "Light Years"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 #, c-format
 msgctxt "unit-format"
 msgid "%s ly"
 msgstr ""
 
-#: src/unit-manager.c:58
+#: src/unit-manager.c:55
 msgctxt "unit-symbols"
 msgid "lightyear,lightyears,ly"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgid "Astronomical Units"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 #, c-format
 msgctxt "unit-format"
 msgid "%s au"
 msgstr ""
 
-#: src/unit-manager.c:59
+#: src/unit-manager.c:56
 msgctxt "unit-symbols"
 msgid "au"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgid "Nautical Miles"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 #, c-format
 msgctxt "unit-format"
 msgid "%s nmi"
 msgstr ""
 
-#: src/unit-manager.c:60
+#: src/unit-manager.c:57
 msgctxt "unit-symbols"
 msgid "nmi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgid "Miles"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 #, c-format
 msgctxt "unit-format"
 msgid "%s mi"
 msgstr ""
 
-#: src/unit-manager.c:61
+#: src/unit-manager.c:58
 msgctxt "unit-symbols"
 msgid "mile,miles,mi"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgid "Kilometers"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 #, c-format
 msgctxt "unit-format"
 msgid "%s km"
 msgstr ""
 
-#: src/unit-manager.c:62
+#: src/unit-manager.c:59
 msgctxt "unit-symbols"
 msgid "kilometer,kilometers,km,kms"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgid "Cables"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 #, c-format
 msgctxt "unit-format"
 msgid "%s cb"
 msgstr ""
 
-#: src/unit-manager.c:63
+#: src/unit-manager.c:60
 msgctxt "unit-symbols"
 msgid "cable,cables,cb"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgid "Fathoms"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 #, c-format
 msgctxt "unit-format"
 msgid "%s ftm"
 msgstr ""
 
-#: src/unit-manager.c:64
+#: src/unit-manager.c:61
 msgctxt "unit-symbols"
 msgid "fathom,fathoms,ftm"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgid "Meters"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 #, c-format
 msgctxt "unit-format"
 msgid "%s m"
 msgstr ""
 
-#: src/unit-manager.c:65
+#: src/unit-manager.c:62
 msgctxt "unit-symbols"
 msgid "meter,meters,m"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgid "Yards"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 #, c-format
 msgctxt "unit-format"
 msgid "%s yd"
 msgstr ""
 
-#: src/unit-manager.c:66
+#: src/unit-manager.c:63
 msgctxt "unit-symbols"
 msgid "yard,yards,yd"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgid "Feet"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 #, c-format
 msgctxt "unit-format"
 msgid "%s ft"
 msgstr ""
 
-#: src/unit-manager.c:67
+#: src/unit-manager.c:64
 msgctxt "unit-symbols"
 msgid "foot,feet,ft"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgid "Inches"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 #, c-format
 msgctxt "unit-format"
 msgid "%s in"
 msgstr ""
 
-#: src/unit-manager.c:68
+#: src/unit-manager.c:65
 msgctxt "unit-symbols"
 msgid "inch,inches,in"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgid "Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm"
 msgstr ""
 
-#: src/unit-manager.c:69
+#: src/unit-manager.c:66
 msgctxt "unit-symbols"
 msgid "centimeter,centimeters,cm,cms"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgid "Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm"
 msgstr ""
 
-#: src/unit-manager.c:70
+#: src/unit-manager.c:67
 msgctxt "unit-symbols"
 msgid "millimeter,millimeters,mm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgid "Micrometers"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 #, c-format
 msgctxt "unit-format"
 msgid "%s μm"
 msgstr ""
 
-#: src/unit-manager.c:71
+#: src/unit-manager.c:68
 msgctxt "unit-symbols"
 msgid "micrometer,micrometers,um"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgid "Nanometers"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 #, c-format
 msgctxt "unit-format"
 msgid "%s nm"
 msgstr ""
 
-#: src/unit-manager.c:72
+#: src/unit-manager.c:69
 msgctxt "unit-symbols"
 msgid "nanometer,nanometers,nm"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgid "Hectares"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 #, c-format
 msgctxt "unit-format"
 msgid "%s ha"
 msgstr ""
 
-#: src/unit-manager.c:73
+#: src/unit-manager.c:70
 msgctxt "unit-symbols"
 msgid "hectare,hectares,ha"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgid "Acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 #, c-format
 msgctxt "unit-format"
 msgid "%s acres"
 msgstr ""
 
-#: src/unit-manager.c:74
+#: src/unit-manager.c:71
 msgctxt "unit-symbols"
 msgid "acre,acres"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgid "Square Meters"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 #, c-format
 msgctxt "unit-format"
 msgid "%s m²"
 msgstr ""
 
-#: src/unit-manager.c:75
+#: src/unit-manager.c:72
 msgctxt "unit-symbols"
 msgid "m²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgid "Square Centimeters"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 #, c-format
 msgctxt "unit-format"
 msgid "%s cm²"
 msgstr ""
 
-#: src/unit-manager.c:76
+#: src/unit-manager.c:73
 msgctxt "unit-symbols"
 msgid "cm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgid "Square Millimeters"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 #, c-format
 msgctxt "unit-format"
 msgid "%s mm²"
 msgstr ""
 
-#: src/unit-manager.c:77
+#: src/unit-manager.c:74
 msgctxt "unit-symbols"
 msgid "mm²"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgid "Cubic Meters"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 #, c-format
 msgctxt "unit-format"
 msgid "%s m³"
 msgstr ""
 
-#: src/unit-manager.c:78
+#: src/unit-manager.c:75
 msgctxt "unit-symbols"
 msgid "m³"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgid "Gallons"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 #, c-format
 msgctxt "unit-format"
 msgid "%s gal"
 msgstr ""
 
-#: src/unit-manager.c:79
+#: src/unit-manager.c:76
 msgctxt "unit-symbols"
 msgid "gallon,gallons,gal"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgid "Litres"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 #, c-format
 msgctxt "unit-format"
 msgid "%s L"
 msgstr ""
 
-#: src/unit-manager.c:80
+#: src/unit-manager.c:77
 msgctxt "unit-symbols"
 msgid "litre,litres,liter,liters,L"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgid "Quarts"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 #, c-format
 msgctxt "unit-format"
 msgid "%s qt"
 msgstr ""
 
-#: src/unit-manager.c:81
+#: src/unit-manager.c:78
 msgctxt "unit-symbols"
 msgid "quart,quarts,qt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgid "Pints"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 #, c-format
 msgctxt "unit-format"
 msgid "%s pt"
 msgstr ""
 
-#: src/unit-manager.c:82
+#: src/unit-manager.c:79
 msgctxt "unit-symbols"
 msgid "pint,pints,pt"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgid "Millilitres"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 #, c-format
 msgctxt "unit-format"
 msgid "%s mL"
 msgstr ""
 
-#: src/unit-manager.c:83
+#: src/unit-manager.c:80
 msgctxt "unit-symbols"
 msgid "millilitre,millilitres,milliliter,milliliters,mL,cm³"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgid "Microlitres"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 #, c-format
 msgctxt "unit-format"
 msgid "%s μL"
 msgstr ""
 
-#: src/unit-manager.c:84
+#: src/unit-manager.c:81
 msgctxt "unit-symbols"
 msgid "mm³,μL,uL"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgid "Tonnes"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 #, c-format
 msgctxt "unit-format"
 msgid "%s T"
 msgstr ""
 
-#: src/unit-manager.c:85
+#: src/unit-manager.c:82
 msgctxt "unit-symbols"
 msgid "tonne,tonnes"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgid "Kilograms"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 #, c-format
 msgctxt "unit-format"
 msgid "%s kg"
 msgstr ""
 
-#: src/unit-manager.c:86
+#: src/unit-manager.c:83
 msgctxt "unit-symbols"
 msgid "kilogram,kilograms,kilogramme,kilogrammes,kg,kgs"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgid "Pounds"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 #, c-format
 msgctxt "unit-format"
 msgid "%s lb"
 msgstr ""
 
-#: src/unit-manager.c:87
+#: src/unit-manager.c:84
 msgctxt "unit-symbols"
 msgid "pound,pounds,lb"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgid "Ounces"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 #, c-format
 msgctxt "unit-format"
 msgid "%s oz"
 msgstr ""
 
-#: src/unit-manager.c:88
+#: src/unit-manager.c:85
 msgctxt "unit-symbols"
 msgid "ounce,ounces,oz"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgid "Grams"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 #, c-format
 msgctxt "unit-format"
 msgid "%s g"
 msgstr ""
 
-#: src/unit-manager.c:89
+#: src/unit-manager.c:86
 msgctxt "unit-symbols"
 msgid "gram,grams,gramme,grammes,g"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgid "Years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 #, c-format
 msgctxt "unit-format"
 msgid "%s years"
 msgstr ""
 
-#: src/unit-manager.c:90
+#: src/unit-manager.c:87
 msgctxt "unit-symbols"
 msgid "year,years"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgid "Days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 #, c-format
 msgctxt "unit-format"
 msgid "%s days"
 msgstr ""
 
-#: src/unit-manager.c:91
+#: src/unit-manager.c:88
 msgctxt "unit-symbols"
 msgid "day,days"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgid "Hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 #, c-format
 msgctxt "unit-format"
 msgid "%s hours"
 msgstr ""
 
-#: src/unit-manager.c:92
+#: src/unit-manager.c:89
 msgctxt "unit-symbols"
 msgid "hour,hours"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgid "Minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 #, c-format
 msgctxt "unit-format"
 msgid "%s minutes"
 msgstr ""
 
-#: src/unit-manager.c:93
+#: src/unit-manager.c:90
 msgctxt "unit-symbols"
 msgid "minute,minutes"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgid "Seconds"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 #, c-format
 msgctxt "unit-format"
 msgid "%s s"
 msgstr ""
 
-#: src/unit-manager.c:94
+#: src/unit-manager.c:91
 msgctxt "unit-symbols"
 msgid "second,seconds,s"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgid "Milliseconds"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 #, c-format
 msgctxt "unit-format"
 msgid "%s ms"
 msgstr ""
 
-#: src/unit-manager.c:95
+#: src/unit-manager.c:92
 msgctxt "unit-symbols"
 msgid "millisecond,milliseconds,ms"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgid "Microseconds"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 #, c-format
 msgctxt "unit-format"
 msgid "%s μs"
 msgstr ""
 
-#: src/unit-manager.c:96
+#: src/unit-manager.c:93
 msgctxt "unit-symbols"
 msgid "microsecond,microseconds,us,μs"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgid "Celsius"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚C"
 msgstr ""
 
-#: src/unit-manager.c:97
+#: src/unit-manager.c:94
 msgctxt "unit-symbols"
 msgid "degC,˚C"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgid "Farenheit"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚F"
 msgstr ""
 
-#: src/unit-manager.c:98
+#: src/unit-manager.c:95
 msgctxt "unit-symbols"
 msgid "degF,˚F"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgid "Kelvin"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 #, c-format
 msgctxt "unit-format"
 msgid "%s K"
 msgstr ""
 
-#: src/unit-manager.c:99
+#: src/unit-manager.c:96
 msgctxt "unit-symbols"
 msgid "K"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgid "Rankine"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 #, c-format
 msgctxt "unit-format"
 msgid "%s ˚R"
 msgstr ""
 
-#: src/unit-manager.c:100
+#: src/unit-manager.c:97
 msgctxt "unit-symbols"
 msgid "degR,˚R,˚Ra"
 msgstr ""
 
-#: src/unit-manager.c:109
+#: src/unit-manager.c:106
 msgid "Angle"
 msgstr ""
 
-#: src/unit-manager.c:110
+#: src/unit-manager.c:107
 msgid "Length"
 msgstr ""
 
-#: src/unit-manager.c:111
+#: src/unit-manager.c:108
 msgid "Area"
 msgstr ""
 
-#: src/unit-manager.c:112
+#: src/unit-manager.c:109
 msgid "Volume"
 msgstr ""
 
-#: src/unit-manager.c:113
+#: src/unit-manager.c:110
 msgid "Weight"
 msgstr ""
 
-#: src/unit-manager.c:114
+#: src/unit-manager.c:111
 msgid "Duration"
 msgstr ""
 
-#: src/unit-manager.c:115
+#: src/unit-manager.c:112
 msgid "Temperature"
 msgstr ""
 
-#: src/unit-manager.c:127
+#: src/unit-manager.c:124
 msgid "Currency"
 msgstr ""
 
 #. Translators: result of currency conversion, %s is the symbol, %%s is the
 #. placeholder for amount, i.e.: USD100
-#: src/unit-manager.c:137
+#: src/unit-manager.c:134
 #, c-format
 msgid "%s%%s"
 msgstr ""
diff --git a/src/currency-manager.c b/src/currency-manager.c
index 4e2b1ef..5445881 100644
--- a/src/currency-manager.c
+++ b/src/currency-manager.c
@@ -14,6 +14,7 @@
 #include <glib/gstdio.h>
 #include <gio/gio.h>
 #include <libxml/tree.h>
+#include <libxml/parser.h>
 #include <libxml/xpath.h>
 #include <libxml/xpathInternals.h>
 #include <glib/gi18n.h>
diff --git a/src/math-display.c b/src/math-display.c
index b0f3e0e..6422247 100644
--- a/src/math-display.c
+++ b/src/math-display.c
@@ -302,7 +302,10 @@ key_press_cb(MathDisplay *display, GdkEventKey *event)
 static void
 status_changed_cb(MathEquation *equation, GParamSpec *spec, MathDisplay *display)
 {
-    gtk_text_buffer_set_text(display->priv->info_buffer, math_equation_get_status(equation), -1);
+    const gchar *status = math_equation_get_status(equation);
+
+    gtk_text_buffer_set_text(display->priv->info_buffer, status, -1);
+    atk_object_set_description(gtk_widget_get_accessible(display->priv->text_view), status);
     if (math_equation_in_solve(equation) && !gtk_widget_get_visible(display->priv->spinner)) {
         gtk_widget_show(display->priv->spinner);
         gtk_spinner_start(GTK_SPINNER(display->priv->spinner));
diff --git a/src/parser.c b/src/parser.c
index 8ab4c3c..d60c142 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -82,7 +82,7 @@ p_make_precedence_t(ParserState* state, LexerTokenType type)
     return (p_get_precedence(type) + (state->depth_level * P_Depth));
 }
 
-/* Allocate and create a new node. */
+/* Allocate and create a new node.  `value` must be free()able */
 static ParseNode*
 p_create_node(ParserState* state, LexerToken* token, guint precedence, Associativity associativity, void* value, void* (*function)(ParseNode*))
 {
@@ -1055,9 +1055,8 @@ variable(ParserState* state)
         if(token->token_type == T_SUP_NUMBER)
         {
             /* FUNCTION SUP_NUMBER expression */
-            /* Pass power as void * value. That will be taken care in pf_apply_func_with_powre. */
 
-            node = p_create_node(state, token_old, p_make_precedence_t(state, token_old->token_type), p_get_associativity(token_old), token, pf_apply_func_with_power);
+            node = p_create_node(state, token_old, p_make_precedence_t(state, token_old->token_type), p_get_associativity(token_old), g_strdup(token->string), pf_apply_func_with_power);
             p_insert_into_tree_unary(state, node);
 
             if(!expression(state))
@@ -1067,9 +1066,8 @@ variable(ParserState* state)
         else if(token->token_type == T_NSUP_NUMBER)
         {
             /* FUNCTION NSUP_NUMBER expression */
-            /* Pass power as void * value. That will be taken care in pf_apply_func_with_npowre. */
 
-            node = p_create_node(state, token_old, p_make_precedence_t(state, token_old->token_type), p_get_associativity(token_old), token, pf_apply_func_with_npower);
+            node = p_create_node(state, token_old, p_make_precedence_t(state, token_old->token_type), p_get_associativity(token_old), g_strdup(token->string), pf_apply_func_with_npower);
             p_insert_into_tree_unary(state, node);
 
             if(!expression(state))
@@ -1096,9 +1094,8 @@ variable(ParserState* state)
         if(token->token_type == T_ROOT)
         {
             /* SUB_NUM ROOT expression */
-            /* Pass SUB_NUM as void* value in node. pf_do_nth_root will take care of it. */
 
-            node = p_create_node(state, token, p_make_precedence_t(state, token->token_type), p_get_associativity(token), token_old, pf_do_nth_root);
+            node = p_create_node(state, token, p_make_precedence_t(state, token->token_type), p_get_associativity(token), g_strdup(token_old->string), pf_do_nth_root);
             p_insert_into_tree_unary(state, node);
 
             if(!expression (state))
@@ -1177,9 +1174,8 @@ term(ParserState* state)
         if(token->token_type == T_SUP_NUMBER)
         {
             /* VARIABLE SUP_NUMBER */
-            /* Pass power as void* value. pf_get_variable_with_power will take care of it. */
 
-            node = p_create_node(state, token_old, p_make_precedence_t(state, token_old->token_type), p_get_associativity(token_old), token, pf_get_variable_with_power);
+            node = p_create_node(state, token_old, p_make_precedence_t(state, token_old->token_type), p_get_associativity(token_old), g_strdup(token->string), pf_get_variable_with_power);
             p_insert_into_tree(state, node);
 
         }
diff --git a/src/parserfunc.c b/src/parserfunc.c
index 6f27daf..dc28e7e 100644
--- a/src/parserfunc.c
+++ b/src/parserfunc.c
@@ -230,9 +230,9 @@ pf_get_variable_with_power(ParseNode* self)
 
     MPNumber t = mp_new();
     MPNumber* ans = mp_new_ptr();
-    pow = super_atoi(((LexerToken*) self->value)->string);
+    pow = super_atoi(self->value);
 
-    /* No need to free the memory. It is allocated and freed somewhere else. */
+    free(self->value);
     self->value = NULL;
 
     if(!(self->state->get_variable))
@@ -344,10 +344,11 @@ pf_apply_func_with_power(ParseNode* self)
         set_error(self->state, PARSER_ERR_UNKNOWN_FUNCTION, self->token->string);
         return NULL;
     }
-    pow = super_atoi(((LexerToken*) self->value)->string);
+    pow = super_atoi(self->value);
     mp_xpowy_integer(tmp, pow, ans);
     mp_free(val);
     mp_free(tmp);
+    free(self->value);
     self->value = NULL;
     return ans;
 }
@@ -391,11 +392,12 @@ pf_apply_func_with_npower(ParseNode* self)
         set_error(self->state, PARSER_ERR_UNKNOWN_FUNCTION, self->token->string);
         return NULL;
     }
-    pow = super_atoi(((LexerToken*) self->value)->string);
+    pow = super_atoi(self->value);
     mp_xpowy_integer(tmp, -pow, ans);
     mp_free(val);
     mp_free(tmp);
     free(inv_name);
+    free(self->value);
     self->value = NULL;
     return ans;
 }
@@ -407,7 +409,8 @@ pf_do_nth_root(ParseNode* self)
     MPNumber* val;
     gint pow;
     MPNumber* ans = mp_new_ptr();
-    pow = sub_atoi(((LexerToken*) self->value)->string);
+    pow = sub_atoi(self->value);
+    free(self->value);
     self->value = NULL;
     val = (MPNumber*) (*(self->right->evaluate))(self->right);
     if(!val)