From b3605bee34d6b62eb4e5057bbad40513bdc600df Mon Sep 17 00:00:00 2001
From: rbuj <robert.buj@gmail.com>
Date: Thu, 2 May 2019 12:21:04 +0200
Subject: Use gresources for UI files

.ui files are combined into a binary resource bundle, and
they are marked as compressed, so they will be automatically
uncompressed when the resource is used.

REF https://developer.gnome.org/gio/stable/GResource.html
---
 configure.ac                          |   18 +
 data/Makefile.am                      |    9 -
 data/buttons-advanced.ui              |  951 -----------
 data/buttons-basic.ui                 |  376 -----
 data/buttons-financial.ui             | 2435 ----------------------------
 data/buttons-programming.ui           | 2792 ---------------------------------
 data/preferences.ui                   |  306 ----
 po/POTFILES.in                        |   10 +-
 src/Makefile.am                       |   23 +-
 src/buttons-advanced.ui               |  951 +++++++++++
 src/buttons-basic.ui                  |  376 +++++
 src/buttons-financial.ui              | 2435 ++++++++++++++++++++++++++++
 src/buttons-programming.ui            | 2792 +++++++++++++++++++++++++++++++++
 src/math-buttons.c                    |   20 +-
 src/math-preferences.c                |    4 +-
 src/org.mate.calculator.gresource.xml |   26 +
 src/preferences.ui                    |  306 ++++
 17 files changed, 6941 insertions(+), 6889 deletions(-)
 delete mode 100644 data/buttons-advanced.ui
 delete mode 100644 data/buttons-basic.ui
 delete mode 100644 data/buttons-financial.ui
 delete mode 100644 data/buttons-programming.ui
 delete mode 100644 data/preferences.ui
 create mode 100644 src/buttons-advanced.ui
 create mode 100644 src/buttons-basic.ui
 create mode 100644 src/buttons-financial.ui
 create mode 100644 src/buttons-programming.ui
 create mode 100644 src/org.mate.calculator.gresource.xml
 create mode 100644 src/preferences.ui

diff --git a/configure.ac b/configure.ac
index b54c8ba..104c103 100644
--- a/configure.ac
+++ b/configure.ac
@@ -49,6 +49,24 @@ dnl ###########################################################################
 IT_PROG_INTLTOOL([0.35.0])
 AC_SUBST(GETTEXT_PACKAGE, mate-calc)
 
+# **********************
+# GLIB_COMPILE_RESOURCES
+# **********************
+AC_ARG_VAR([GLIB_COMPILE_RESOURCES],[glib-compile-resources bin])
+AC_PATH_PROG([GLIB_COMPILE_RESOURCES],[glib-compile-resources],[])
+if test -z "$GLIB_COMPILE_RESOURCES"; then
+  AC_MSG_ERROR([glib-compile-resources not found])
+fi
+
+# *******
+# XMLLINT
+# *******
+AC_ARG_VAR([XMLLINT],[xmllint bin])
+AC_PATH_PROG([XMLLINT],[xmllint],[])
+if test -z "$XMLLINT"; then
+  AC_MSG_ERROR([xmllint not found])
+fi
+
 dnl ###########################################################################
 dnl Documentation
 dnl ###########################################################################
diff --git a/data/Makefile.am b/data/Makefile.am
index f9e00c2..1a8150b 100644
--- a/data/Makefile.am
+++ b/data/Makefile.am
@@ -1,11 +1,3 @@
-uidir = $(datadir)/mate-calc
-ui_DATA = \
-	preferences.ui \
-	buttons-basic.ui \
-	buttons-advanced.ui \
-	buttons-financial.ui \
-	buttons-programming.ui
-
 @INTLTOOL_XML_RULE@
 appdatadir = $(datadir)/metainfo
 appdata_in_files = mate-calc.appdata.xml.in
@@ -22,7 +14,6 @@ Utilities_DATA = $(Utilities_in_files:.desktop.in=.desktop)
 man1_MANS = mate-calc.1 mate-calc-cmd.1
 
 EXTRA_DIST = \
-	$(ui_DATA) \
 	org.mate.calc.gschema.xml.in \
 	mate-calc.desktop.in \
 	$(appdata_in_files) \
diff --git a/data/buttons-advanced.ui b/data/buttons-advanced.ui
deleted file mode 100644
index a4b756b..0000000
--- a/data/buttons-advanced.ui
+++ /dev/null
@@ -1,951 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.20.4 -->
-<interface>
-  <requires lib="gtk+" version="3.22"/>
-  <object class="GtkWindow" id="window1">
-    <property name="can_focus">False</property>
-    <child>
-      <object class="GtkGrid" id="button_panel">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="row_homogeneous">True</property>
-        <property name="column_homogeneous">True</property>
-        <child>
-          <object class="GtkButton" id="calc_factor_button">
-            <property name="label">a×b</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="factorize_cb" swapped="no"/>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_factor_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorize button">Factorize</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">5</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_imaginary_portion_button">
-            <property name="label">Im</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">7</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_imaginary_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="imaginary_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">&lt;i&gt;i&lt;/i&gt;</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_4_button">
-            <property name="label">4</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_7_button">
-            <property name="label">7</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_8_button">
-            <property name="label">8</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_9_button">
-            <property name="label">9</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_5_button">
-            <property name="label">5</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_6_button">
-            <property name="label">6</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_divide_button">
-            <property name="label">÷</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_2_button">
-            <property name="label">2</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_numeric_point_button">
-            <property name="label" comments="Label is set in gtk.c to comply with LC flags">.</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="numeric_point_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_3_button">
-            <property name="label">3</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_multiply_button">
-            <property name="label">×</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_subtract_button">
-            <property name="label">−</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="subtract_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_add_button">
-            <property name="label">+</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_result_button">
-            <property name="label" translatable="yes" comments="Label on the solve button (clicking this solves the displayed calculation)">=</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="solve_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_clear_button">
-            <property name="label" translatable="yes">Clear</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="clear_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">5</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_exponential_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="exponent_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="label2">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">×10&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_exponential_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the scientific exponent button">Scientific Exponent</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_modulus_divide_button">
-            <property name="label">mod</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_start_group_button">
-            <property name="label">(</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_end_group_button">
-            <property name="label">)</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">5</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_memory_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="memory_cb" swapped="no"/>
-            <child>
-              <object class="GtkBox" id="hbox20">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <child>
-                  <object class="GtkLabel" id="label23">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label" translatable="yes" comments="The label on the memory button">x</property>
-                    <attributes>
-                      <attribute name="style" value="italic"/>
-                    </attributes>
-                  </object>
-                  <packing>
-                    <property name="expand">True</property>
-                    <property name="fill">True</property>
-                    <property name="position">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkArrow" id="arrow14">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="arrow_type">down</property>
-                  </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">True</property>
-                    <property name="position">1</property>
-                  </packing>
-                </child>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_memory_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the memory button">Memory</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">2</property>
-            <property name="width">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_real_portion_button">
-            <property name="label">Re</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">6</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_conjugate_button">
-            <property name="label">conj</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">8</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_natural_logarithm_button">
-            <property name="label">ln</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">9</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_logarithm_button">
-            <property name="label">log</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">8</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_x_pow_y_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="x_pow_y_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_x_pow_y_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">6</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_root_button">
-            <property name="label">√</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">7</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_undo_button">
-            <property name="label" translatable="yes">Undo</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="undo_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_pi_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="pi_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">π</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_eulers_number_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="eulers_number_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">&lt;i&gt;e&lt;/i&gt;</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">5</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table1">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="row_homogeneous">True</property>
-            <property name="column_homogeneous">True</property>
-            <child>
-              <object class="GtkButton" id="calc_cosine_button">
-                <property name="label">cos</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_sine_button">
-                <property name="label">sin</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_tangent_button">
-                <property name="label">tan</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_hyperbolic_sine_button">
-                <property name="label">sinh</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_hyperbolic_tangent_button">
-                <property name="label">tanh</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_inverse_sine_button">
-                <property name="label" translatable="yes">asin</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_inverse_tangent_button">
-                <property name="label" translatable="yes">atan</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_hyperbolic_cosine_button">
-                <property name="label">cosh</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_inverse_cosine_button">
-                <property name="label" translatable="yes">acos</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">6</property>
-            <property name="top_attach">0</property>
-            <property name="width">4</property>
-            <property name="height">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_function_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="function_cb" swapped="no"/>
-            <child>
-              <object class="GtkBox" id="hbox2">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <child>
-                  <object class="GtkLabel" id="label5">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">f(x)</property>
-                  </object>
-                  <packing>
-                    <property name="expand">True</property>
-                    <property name="fill">True</property>
-                    <property name="position">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkArrow" id="arrow1">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="arrow_type">down</property>
-                  </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">True</property>
-                    <property name="position">1</property>
-                  </packing>
-                </child>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_function_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the store value button">Store</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">9</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_inverse_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="label20">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;−1&lt;/sup&gt;</property>
-                <property name="use_markup">True</property>
-                <property name="justify">center</property>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_inverse_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the inverse button">Inverse</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">10</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_factorial_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="label14">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">&lt;i&gt;x&lt;/i&gt;!</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_factorial_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorial button">Factorial</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">10</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_abs_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="label1">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">|&lt;i&gt;x&lt;/i&gt;|</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_abs_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the absolute value button">Absolute Value</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">10</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_arg_button">
-            <property name="label">Arg</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">10</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkToggleButton" id="calc_superscript_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="set_superscript_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="label3">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">↑n</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_superscript_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the superscript mode button">Superscript</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkToggleButton" id="calc_subscript_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="set_subscript_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="label4">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">↓n</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_subscript_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the subscript mode button">Subscript</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_1_button">
-            <property name="label">1</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_0_button">
-            <property name="label">0</property>
-            <property name="width_request">50</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">4</property>
-          </packing>
-        </child>
-        <child>
-          <placeholder/>
-        </child>
-      </object>
-    </child>
-    <child type="titlebar">
-      <placeholder/>
-    </child>
-  </object>
-</interface>
diff --git a/data/buttons-basic.ui b/data/buttons-basic.ui
deleted file mode 100644
index 387b590..0000000
--- a/data/buttons-basic.ui
+++ /dev/null
@@ -1,376 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.20.4 -->
-<interface>
-  <requires lib="gtk+" version="3.22"/>
-  <object class="GtkWindow" id="window1">
-    <property name="can_focus">False</property>
-    <child>
-      <object class="GtkGrid" id="button_panel">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="row_homogeneous">True</property>
-        <property name="column_homogeneous">True</property>
-        <child>
-          <object class="GtkButton" id="calc_4_button">
-            <property name="label">4</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_8_button">
-            <property name="label">8</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_9_button">
-            <property name="label">9</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_5_button">
-            <property name="label">5</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_6_button">
-            <property name="label">6</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_divide_button">
-            <property name="label">÷</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_2_button">
-            <property name="label">2</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_numeric_point_button">
-            <property name="label" comments="Label is set in gtk.c to comply with LC flags">.</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="numeric_point_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_percentage_button">
-            <property name="label">%</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_3_button">
-            <property name="label">3</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_multiply_button">
-            <property name="label">×</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_subtract_button">
-            <property name="label">−</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="subtract_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_add_button">
-            <property name="label">+</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_result_button">
-            <property name="label" translatable="yes" comments="Label on the solve button (clicking this solves the displayed calculation)">=</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="solve_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">3</property>
-            <property name="width">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_start_group_button">
-            <property name="label">(</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_end_group_button">
-            <property name="label">)</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">5</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_clear_button">
-            <property name="label" translatable="yes">Clear</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="clear_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">5</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_square_root_button">
-            <property name="label">√</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">5</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_undo_button">
-            <property name="label" translatable="yes">Undo</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="undo_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_7_button">
-            <property name="label">7</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_x_squared_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="x_squared_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;&lt;i&gt;2&lt;/i&gt;&lt;/sup&gt;</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_x_squared_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_1_button">
-            <property name="label">1</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_0_button">
-            <property name="label">0</property>
-            <property name="width_request">50</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <child type="titlebar">
-      <placeholder/>
-    </child>
-  </object>
-</interface>
diff --git a/data/buttons-financial.ui b/data/buttons-financial.ui
deleted file mode 100644
index d0a775e..0000000
--- a/data/buttons-financial.ui
+++ /dev/null
@@ -1,2435 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.22.1 -->
-<interface>
-  <requires lib="gtk+" version="3.22"/>
-  <object class="GtkDialog" id="ctrm_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of Compounding Term dialog">Compounding Term</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="response" handler="finc_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox1">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area1">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button1">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button2">
-                <property name="label" translatable="yes" comments="Compounding Term Dialog: Calculate button">C_alculate</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table1">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">6</property>
-            <property name="row_spacing">6</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkEntry" id="ctrm_pint">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="ctrm_fv">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="ctrm_pv">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label9">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_top">35</property>
-                <property name="margin_bottom">35</property>
-                <property name="label" translatable="yes" comments="Compounding Term Dialog: Description of calculation">Calculates the number of compounding periods necessary to increase an investment of present value to a future value, at a fixed interest rate per compounding period.</property>
-                <property name="wrap">True</property>
-                <property name="max_width_chars">40</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label6">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Compounding Term Dialog: Label before periodic interest rate input">Periodic Interest _Rate:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">ctrm_pint</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label16">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Compounding Term Dialog: Label before future value input">_Future Value:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">ctrm_fv</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label5">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Compounding Term Dialog: Label before present value input">Present _Value:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">ctrm_pv</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button1</action-widget>
-      <action-widget response="-5">button2</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkDialog" id="ddb_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of Double-Declining Depreciation dialog">Double-Declining Depreciation</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="response" handler="finc_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox2">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area2">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button3">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button4">
-                <property name="label" translatable="yes" comments="Double-Declining Depreciation Dialog: Calculate button">C_alculate</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table2">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">6</property>
-            <property name="row_spacing">6</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkLabel" id="label7">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_top">35</property>
-                <property name="margin_bottom">35</property>
-                <property name="label" translatable="yes" comments="Double-Declining Depreciation Dialog: Description of calculation">Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method.</property>
-                <property name="wrap">True</property>
-                <property name="max_width_chars">40</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="ddb_life">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="ddb_cost">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="ddb_period">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label10">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Double-Declining Depreciation Dialog: Label before life input">_Life:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">ddb_life</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label11">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Double-Declining Depreciation Dialog: Label before period input">_Period:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">ddb_period</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label8">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Double-Declining Depreciation Dialog: Label before cost input">C_ost:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">ddb_cost</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button3</action-widget>
-      <action-widget response="-5">button4</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkDialog" id="fv_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of Future Value dialog">Future Value</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="response" handler="finc_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox3">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area3">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button5">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button6">
-                <property name="label" translatable="yes" comments="Future Value Dialog: Calculate button">C_alculate</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table3">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">6</property>
-            <property name="row_spacing">6</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkEntry" id="fv_n">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="fv_pint">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="fv_pmt">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label14">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Future Value Dialog: Label before periodic interest rate input">Periodic Interest _Rate:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">fv_pint</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label15">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Future Value Dialog: Label before number of periods input">_Number of Periods:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">fv_n</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label12">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_top">35</property>
-                <property name="margin_bottom">35</property>
-                <property name="label" translatable="yes" comments="Future Value Dialog: Description of calculation">Calculates the future value of an investment based on a series of equal payments at a periodic interest rate over the number of payment periods in the term.</property>
-                <property name="wrap">True</property>
-                <property name="max_width_chars">40</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label13">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Future Value Dialog: Label before periodic payment input">_Periodic Payment:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">fv_pmt</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button5</action-widget>
-      <action-widget response="-5">button6</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkDialog" id="gpm_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of Gross Profit Margin dialog">Gross Profit Margin</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="response" handler="finc_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox10">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area10">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button19">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button20">
-                <property name="label" translatable="yes" comments="Gross Profit Margin Dialog: Calculate button">C_alculate</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table10">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">6</property>
-            <property name="row_spacing">6</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkLabel" id="label47">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_top">35</property>
-                <property name="margin_bottom">35</property>
-                <property name="label" translatable="yes" comments="Gross Profit Margin Dialog: Description of calculation">Calculates the resale price of a product, based on the product cost and the wanted gross profit margin.</property>
-                <property name="wrap">True</property>
-                <property name="max_width_chars">40</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="gpm_cost">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="gpm_margin">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label48">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Gross Profit Margin Dialog: Label before cost input">C_ost:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">gpm_cost</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label49">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Gross Profit Margin Dialog: Label before margin input">_Margin:</property>
-                <property name="use_underline">True</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button19</action-widget>
-      <action-widget response="-5">button20</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkDialog" id="pmt_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of Periodic Payment dialog">Periodic Payment</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="response" handler="finc_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox4">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area4">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button7">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button8">
-                <property name="label" translatable="yes" comments="Periodic Payment Dialog: Calculate button">C_alculate</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table4">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">6</property>
-            <property name="row_spacing">6</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkLabel" id="label17">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_top">35</property>
-                <property name="margin_bottom">35</property>
-                <property name="label" translatable="yes" comments="Periodic Payment Dialog: Description of calculation">Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. </property>
-                <property name="wrap">True</property>
-                <property name="max_width_chars">40</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="pmt_prin">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="pmt_pint">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="pmt_n">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label21">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Periodic Payment Dialog: Label before term input">_Term:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">pmt_n</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label19">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Periodic Payment Dialog: Label before periodic interest rate input">Periodic Interest _Rate:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">pmt_pint</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label18">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Periodic Payment Dialog: Label before principal input">_Principal:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">pmt_prin</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button7</action-widget>
-      <action-widget response="-5">button8</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkDialog" id="pv_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of Present Value dialog">Present Value</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="response" handler="finc_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox5">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area5">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button9">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button10">
-                <property name="label" translatable="yes" comments="Present Value Dialog: Calculate button">C_alculate</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table5">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">6</property>
-            <property name="row_spacing">6</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkLabel" id="label36">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_top">35</property>
-                <property name="margin_bottom">35</property>
-                <property name="label" translatable="yes" comments="Present Value Dialog: Description of calculation">Calculates the present value of an investment based on a series of equal payments discounted at a periodic interest rate over the number of payment periods in the term. </property>
-                <property name="wrap">True</property>
-                <property name="max_width_chars">40</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="pv_pmt">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="pv_pint">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="pv_n">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label26">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Present Value Dialog: Label before number of periods input">_Number of Periods:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">pv_n</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label25">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Present Value Dialog: Label before periodic interest rate input">Periodic Interest _Rate:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">pv_pint</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label24">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Present Value Dialog: Label before periodic payment input">_Periodic Payment:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">pv_pmt</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button9</action-widget>
-      <action-widget response="-5">button10</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkDialog" id="rate_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of Periodic Interest Rate dialog">Periodic Interest Rate</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="response" handler="finc_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox6">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area6">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button11">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button12">
-                <property name="label" translatable="yes" comments="Periodic Interest Rate Dialog: Calculate button">C_alculate</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table6">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">6</property>
-            <property name="row_spacing">6</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkLabel" id="label28">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_top">35</property>
-                <property name="margin_bottom">35</property>
-                <property name="label" translatable="yes" comments="Periodic Interest Rate Dialog: Description of calculation">Calculates the periodic interest necessary to increase an investment to a future value, over the number of compounding periods. </property>
-                <property name="wrap">True</property>
-                <property name="max_width_chars">40</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="rate_fv">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="rate_pv">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="rate_n">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label30">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Periodic Interest Rate Dialog: Label before present value input">Present _Value:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">rate_pv</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label31">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Periodic Interest Rate Dialog: Label before term input">_Term:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">rate_n</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label29">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Periodic Interest Rate Dialog: Label before future value input">_Future Value:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">rate_fv</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button11</action-widget>
-      <action-widget response="-5">button12</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkDialog" id="sln_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of Straight-Line Depreciation dialog">Straight-Line Depreciation</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="response" handler="finc_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox7">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area7">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button13">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button14">
-                <property name="label" translatable="yes" comments="Straight-Line Depreciation Dialog: Calculate button">C_alculate</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table7">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">6</property>
-            <property name="row_spacing">6</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkLabel" id="label33">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Straight-Line Depreciation Dialog: Label before cost input">_Cost:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">sln_cost</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="sln_salvage">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="sln_cost">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="sln_life">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label35">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Straight-Line Depreciation Dialog: Label before life input">_Life:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">sln_life</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label34">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Straight-Line Depreciation Dialog: Label before salvage input">_Salvage:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">sln_salvage</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label32">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_top">35</property>
-                <property name="margin_bottom">35</property>
-                <property name="label" translatable="yes" comments="Straight-Line Depreciation Dialog: Description of calculation">Calculates the straight-line depreciation of an asset for one period. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. </property>
-                <property name="wrap">True</property>
-                <property name="max_width_chars">40</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button13</action-widget>
-      <action-widget response="-5">button14</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkDialog" id="syd_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of Sum-of-the-Years'-Digits Depreciation dialog">Sum-of-the-Years'-Digits Depreciation</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="response" handler="finc_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox8">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area8">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button15">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button16">
-                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button">C_alculate</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table8">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">6</property>
-            <property name="row_spacing">6</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkLabel" id="label37">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input">_Period:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">syd_period</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label38">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input">_Life:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">syd_life</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label39">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input">_Salvage:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">syd_salvage</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label40">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input">_Cost:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">syd_cost</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="syd_cost">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="syd_salvage">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="syd_life">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="syd_period">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label41">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_top">35</property>
-                <property name="margin_bottom">35</property>
-                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation">Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-of-the-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The useful life is the number of periods, typically years, over which an asset is depreciated. </property>
-                <property name="wrap">True</property>
-                <property name="max_width_chars">40</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button15</action-widget>
-      <action-widget response="-5">button16</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkDialog" id="term_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of Payment Period dialog">Payment Period</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="response" handler="finc_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox9">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area9">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button17">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button18">
-                <property name="label" translatable="yes" comments="Payment Period Dialog: Button to calculate result">C_alculate</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">False</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="table9">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">6</property>
-            <property name="row_spacing">6</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkEntry" id="term_pint">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="term_fv">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="term_pmt">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="invisible_char">●</property>
-                <property name="text">0</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label45">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Payment Period Dialog: Label before periodic payment input">_Periodic Payment:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">term_pmt</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label44">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Payment Period Dialog: Label before future value input">Future _Value:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">term_fv</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label43">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Payment Period Dialog: Label before periodic interest rate input">Periodic Interest _Rate:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">term_pint</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label46">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="margin_top">35</property>
-                <property name="margin_bottom">35</property>
-                <property name="label" translatable="yes" comments="Payment Period Dialog: Description of calculation">Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value, at a periodic interest rate.</property>
-                <property name="wrap">True</property>
-                <property name="max_width_chars">40</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button17</action-widget>
-      <action-widget response="-5">button18</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkWindow" id="window1">
-    <property name="can_focus">False</property>
-    <child type="titlebar">
-      <placeholder/>
-    </child>
-    <child>
-      <object class="GtkGrid" id="button_panel">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="row_homogeneous">True</property>
-        <property name="column_homogeneous">True</property>
-        <child>
-          <object class="GtkButton" id="calc_memory_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="memory_cb" swapped="no"/>
-            <child>
-              <object class="GtkBox" id="hbox20">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="spacing">3</property>
-                <child>
-                  <object class="GtkLabel" id="label23">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label" translatable="yes" comments="The label on the memory button">x</property>
-                    <attributes>
-                      <attribute name="style" value="italic"/>
-                    </attributes>
-                  </object>
-                  <packing>
-                    <property name="expand">True</property>
-                    <property name="fill">True</property>
-                    <property name="position">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkArrow" id="arrow14">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="arrow_type">down</property>
-                  </object>
-                  <packing>
-                    <property name="expand">False</property>
-                    <property name="fill">True</property>
-                    <property name="position">1</property>
-                  </packing>
-                </child>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_memory_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the memory value button">Memory</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">2</property>
-            <property name="width">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_logarithm_button">
-            <property name="label">log</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">6</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_8_button">
-            <property name="label">8</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_9_button">
-            <property name="label">9</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_5_button">
-            <property name="label">5</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_6_button">
-            <property name="label">6</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_divide_button">
-            <property name="label">÷</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_2_button">
-            <property name="label">2</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_numeric_point_button">
-            <property name="label" comments="Label is set in gtk.c to comply with LC flags">.</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="numeric_point_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">1</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_percentage_button">
-            <property name="label">%</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_3_button">
-            <property name="label">3</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">2</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_multiply_button">
-            <property name="label">×</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_subtract_button">
-            <property name="label">−</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="subtract_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_add_button">
-            <property name="label">+</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">3</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_result_button">
-            <property name="label" translatable="yes" comments="Label on the solve button (clicking this solves the displayed calculation)">=</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="solve_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">3</property>
-            <property name="width">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_start_group_button">
-            <property name="label">(</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_end_group_button">
-            <property name="label">)</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">5</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_clear_button">
-            <property name="label" translatable="yes">Clear</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="clear_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">5</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_finc_compounding_term_button">
-            <property name="label" translatable="yes" comments="Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest">Ctrm</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="finc_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">7</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_finc_double_declining_depreciation_button">
-            <property name="label" translatable="yes" comments="Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation">Ddb</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="finc_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">8</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_finc_future_value_button">
-            <property name="label" translatable="yes" comments="Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value">Fv</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="finc_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">9</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_finc_term_button">
-            <property name="label" translatable="yes" comments="Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)">Term</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="finc_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">8</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_finc_sum_of_the_years_digits_depreciation_button">
-            <property name="label" translatable="yes" comments="Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation">Syd</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="finc_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">9</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_finc_straight_line_depreciation_button">
-            <property name="label" translatable="yes" comments="Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation">Sln</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="finc_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">8</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_finc_periodic_interest_rate_button">
-            <property name="label" translatable="yes" comments="Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest                                      ">Rate</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="finc_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">7</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_finc_present_value_button">
-            <property name="label" translatable="yes" comments="Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value">Pv</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="finc_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">9</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_finc_periodic_payment_button">
-            <property name="label" translatable="yes" comments="Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule">Pmt</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="finc_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">8</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_finc_gross_profit_margin_button">
-            <property name="label" translatable="yes" comments="Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin">Gpm</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="finc_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">7</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_x_pow_y_button">
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-            <child>
-              <object class="GtkLabel" id="x_pow_y_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
-                <property name="use_markup">True</property>
-              </object>
-            </child>
-            <child internal-child="accessible">
-              <object class="AtkObject" id="calc_x_pow_y_button-atkobject">
-                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="left_attach">6</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_root_button">
-            <property name="label">√</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="button_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">6</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_undo_button">
-            <property name="label" translatable="yes">Undo</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-          </object>
-          <packing>
-            <property name="left_attach">4</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_7_button">
-            <property name="label">7</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_4_button">
-            <property name="label">4</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_1_button">
-            <property name="label">1</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">2</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkButton" id="calc_0_button">
-            <property name="label">0</property>
-            <property name="width_request">50</property>
-            <property name="visible">True</property>
-            <property name="can_focus">True</property>
-            <property name="focus_on_click">False</property>
-            <property name="receives_default">True</property>
-            <property name="use_underline">True</property>
-            <signal name="clicked" handler="digit_cb" swapped="no"/>
-          </object>
-          <packing>
-            <property name="left_attach">0</property>
-            <property name="top_attach">3</property>
-          </packing>
-        </child>
-        <child>
-          <placeholder/>
-        </child>
-        <child>
-          <placeholder/>
-        </child>
-        <child>
-          <placeholder/>
-        </child>
-      </object>
-    </child>
-  </object>
-</interface>
diff --git a/data/buttons-programming.ui b/data/buttons-programming.ui
deleted file mode 100644
index 71d5c4e..0000000
--- a/data/buttons-programming.ui
+++ /dev/null
@@ -1,2792 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.22.1 -->
-<interface>
-  <requires lib="gtk+" version="3.22"/>
-  <object class="GtkDialog" id="character_code_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">6</property>
-    <property name="title" translatable="yes" comments="Title of insert character code dialog">Insert Character Code</property>
-    <property name="resizable">False</property>
-    <property name="type_hint">dialog</property>
-    <property name="icon_name">accessories-calculator</property>
-    <signal name="delete-event" handler="character_code_dialog_delete_cb" swapped="no"/>
-    <signal name="response" handler="character_code_dialog_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox3">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area3">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button9">
-                <property name="label" translatable="yes">_Cancel</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="button8">
-                <property name="label" translatable="yes" comments="Insert ASCII dialog: Button to insert selected character">_Insert</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="can_default">True</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkBox" id="hbox21">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">5</property>
-            <child>
-              <object class="GtkLabel" id="label39">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Insert ASCII dialog: Label before character entry">Ch_aracter:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">character_code_entry</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkEntry" id="character_code_entry">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="max_length">1</property>
-                <property name="invisible_char">●</property>
-                <property name="primary_icon_activatable">False</property>
-                <property name="secondary_icon_activatable">False</property>
-                <signal name="activate" handler="character_code_dialog_activate_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="-6">button9</action-widget>
-      <action-widget response="-5">button8</action-widget>
-    </action-widgets>
-  </object>
-  <object class="GtkWindow" id="window1">
-    <property name="can_focus">False</property>
-    <child>
-      <placeholder/>
-    </child>
-    <child>
-      <object class="GtkBox" id="button_panel">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <property name="spacing">6</property>
-        <child>
-          <object class="GtkBox" id="hbox1">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="spacing">6</property>
-            <child>
-              <object class="GtkComboBox" id="base_combo">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="focus_on_click">False</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">True</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="base_label">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" comments="Example content">FF₁₆ 256₁₀</property>
-                <property name="xalign">1</property>
-              </object>
-              <packing>
-                <property name="expand">True</property>
-                <property name="fill">True</property>
-                <property name="position">1</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkAlignment" id="bit_panel">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="xscale">0</property>
-            <property name="yscale">0</property>
-            <child>
-              <object class="GtkGrid" id="bit_table">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_1">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_1">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_2">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_2">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">2</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_3">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_3">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">3</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_4">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_4">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">5</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_5">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_5">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">6</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_6">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_6">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">7</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_7">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_7">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">8</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_8">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_8">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">10</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_9">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_9">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">11</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_10">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_10">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">12</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_11">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_11">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">13</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_12">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_12">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">15</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_13">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_13">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">16</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_14">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_14">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">17</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_15">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_15">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">18</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_31">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_31">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">38</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_30">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_30">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">37</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_29">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_29">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">36</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_28">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_28">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">35</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_27">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_27">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">33</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_26">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_26">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">32</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_25">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_25">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">31</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_24">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_24">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">30</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_23">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_23">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">28</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_22">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_22">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">27</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_21">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_21">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">26</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_20">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_20">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">25</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_19">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_19">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">23</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_18">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_18">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">22</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_17">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_17">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">21</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_16">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_16">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">20</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="bit_marker_label2">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">32</property>
-                    <property name="justify">center</property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">38</property>
-                    <property name="top_attach">1</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="bit_marker_label5">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">0</property>
-                    <property name="justify">center</property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">38</property>
-                    <property name="top_attach">3</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_33">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_33">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">1</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_34">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_34">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">2</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_35">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_35">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">3</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_36">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_36">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">5</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_37">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_37">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">6</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_38">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_38">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">7</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_39">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_39">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">8</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_40">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_40">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">10</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_41">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_41">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">11</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_42">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_42">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">12</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_43">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_43">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">13</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_44">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_44">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">15</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_45">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_45">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">16</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_46">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_46">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">17</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_47">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_47">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">18</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_48">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_48">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">20</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_49">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_49">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">21</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_50">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_50">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">22</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_51">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_51">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">23</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_52">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_52">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">25</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_53">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_53">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">26</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_54">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_54">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">27</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_55">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_55">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">28</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_56">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_56">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">30</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_57">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_57">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">31</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_58">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_58">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">32</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_59">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_59">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">33</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_60">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_60">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">35</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_61">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_61">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">36</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_62">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_62">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">37</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_63">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_63">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">38</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="bit_marker_label1">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">47</property>
-                    <property name="justify">center</property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">20</property>
-                    <property name="top_attach">1</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="bit_marker_label4">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">15</property>
-                    <property name="justify">center</property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">20</property>
-                    <property name="top_attach">3</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label25">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">4</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label26">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">9</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label27">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">14</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label28">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">19</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label29">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">24</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label30">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">29</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label31">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">34</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label32">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">4</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label33">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">9</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label34">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">14</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label35">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">19</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label36">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">24</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label37">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">29</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="label38">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">  </property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">34</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_0">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_0">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">0</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="bit_marker_label0">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">63</property>
-                    <property name="justify">center</property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">1</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkLabel" id="bit_maker_label3">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">31</property>
-                    <property name="justify">center</property>
-                    <property name="xalign">0</property>
-                  </object>
-                  <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">3</property>
-                  </packing>
-                </child>
-                <child>
-                  <object class="GtkEventBox" id="bit_eventbox_32">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
-                    <child>
-                      <object class="GtkLabel" id="bit_label_32">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label"> 0</property>
-                        <property name="xalign">0</property>
-                      </object>
-                    </child>
-                  </object>
-                  <packing>
-                    <property name="left_attach">0</property>
-                    <property name="top_attach">2</property>
-                  </packing>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-                <child>
-                  <placeholder/>
-                </child>
-              </object>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="advanced_panel">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="row_homogeneous">True</property>
-            <property name="column_homogeneous">True</property>
-            <child>
-              <object class="GtkButton" id="calc_root_button">
-                <property name="label">√</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">7</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_logarithm_button">
-                <property name="label">log</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">7</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_factor_button">
-                <property name="label">fact</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="factorize_cb" swapped="no"/>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_factor_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorize button">Factorize</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">7</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_natural_logarithm_button">
-                <property name="label">ln</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">8</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_abs_button">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-                <child>
-                  <object class="GtkLabel" id="label1">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">|&lt;i&gt;x&lt;/i&gt;|</property>
-                    <property name="use_markup">True</property>
-                  </object>
-                </child>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_abs_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the absolute value button">Absolute Value</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">9</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_integer_portion_button">
-                <property name="label">int</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">9</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_fractional_portion_button">
-                <property name="label">frac</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">9</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_divide_button">
-                <property name="label">÷</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">4</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_multiply_button">
-                <property name="label">×</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">4</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_subtract_button">
-                <property name="label">−</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="subtract_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">4</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_add_button">
-                <property name="label">+</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">4</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_result_button">
-                <property name="label" translatable="yes" comments="Label on the solve button (clicking this solves the displayed calculation)">=</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="solve_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">6</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_clear_button">
-                <property name="label" translatable="yes">Clear</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="clear_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">6</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_1_button">
-                <property name="label">1</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_2_button">
-                <property name="label">2</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_3_button">
-                <property name="label">3</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">3</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_5_button">
-                <property name="label">5</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_6_button">
-                <property name="label">6</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_7_button">
-                <property name="label">7</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">3</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_9_button">
-                <property name="label">9</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_10_button">
-                <property name="label">A</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_11_button">
-                <property name="label">B</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">3</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_13_button">
-                <property name="label">D</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_14_button">
-                <property name="label">E</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_15_button">
-                <property name="label">F</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">3</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkToggleButton" id="calc_superscript_button">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="set_superscript_cb" swapped="no"/>
-                <child>
-                  <object class="GtkLabel" id="label3">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">↑n</property>
-                    <property name="use_markup">True</property>
-                  </object>
-                </child>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_superscript_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the superscript mode button">Superscript</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_numeric_point_button">
-                <property name="label" comments="Label is set in gtk.c to comply with LC flags">.</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="numeric_point_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">2</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_memory_button">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="memory_cb" swapped="no"/>
-                <child>
-                  <object class="GtkBox" id="hbox20">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="spacing">3</property>
-                    <child>
-                      <object class="GtkLabel" id="label23">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="label" translatable="yes" comments="The label on the memory button">x</property>
-                      </object>
-                      <packing>
-                        <property name="expand">True</property>
-                        <property name="fill">True</property>
-                        <property name="position">0</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkArrow" id="arrow14">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="arrow_type">down</property>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">True</property>
-                        <property name="position">1</property>
-                      </packing>
-                    </child>
-                  </object>
-                </child>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_memory_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the store value button">Store</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">3</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_xor_button">
-                <property name="label">XOR</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">5</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_or_button">
-                <property name="label">OR</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">5</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_and_button">
-                <property name="label">AND</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">5</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_modulus_divide_button">
-                <property name="label">mod</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">5</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_start_group_button">
-                <property name="label">(</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">4</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_end_group_button">
-                <property name="label">)</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">5</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_shift_left_button">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="shift_left_cb" swapped="no"/>
-                <child>
-                  <object class="GtkBox" id="hbox11">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="spacing">3</property>
-                    <child>
-                      <object class="GtkLabel" id="label7">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="label">&lt;</property>
-                      </object>
-                      <packing>
-                        <property name="expand">True</property>
-                        <property name="fill">True</property>
-                        <property name="position">0</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkArrow" id="arrow5">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="arrow_type">down</property>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">True</property>
-                        <property name="position">1</property>
-                      </packing>
-                    </child>
-                  </object>
-                </child>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_shift_left_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the shift left button">Shift Left</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">6</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_shift_right_button">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="shift_right_cb" swapped="no"/>
-                <child>
-                  <object class="GtkBox" id="hbox10">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="spacing">3</property>
-                    <child>
-                      <object class="GtkLabel" id="label6">
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="label">&gt;</property>
-                      </object>
-                      <packing>
-                        <property name="expand">True</property>
-                        <property name="fill">True</property>
-                        <property name="position">0</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkArrow" id="arrow4">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="arrow_type">down</property>
-                      </object>
-                      <packing>
-                        <property name="expand">False</property>
-                        <property name="fill">True</property>
-                        <property name="position">1</property>
-                      </packing>
-                    </child>
-                  </object>
-                </child>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_shift_right_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the shift right button">Shift Right</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">7</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_character_button">
-                <property name="label">á</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="insert_character_code_cb" swapped="no"/>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_character_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the insert character button">Insert Character</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">8</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_not_button">
-                <property name="label">NOT</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">6</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_factorial_button">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-                <child>
-                  <object class="GtkLabel" id="label14">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">&lt;i&gt;x&lt;/i&gt;!</property>
-                    <property name="use_markup">True</property>
-                  </object>
-                </child>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_factorial_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorial button">Factorial</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">8</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_inverse_button">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-                <child>
-                  <object class="GtkLabel" id="label20">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;−1&lt;/sup&gt;</property>
-                    <property name="use_markup">True</property>
-                    <property name="justify">center</property>
-                  </object>
-                </child>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_inverse_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the inverse button">Inverse</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">9</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_x_pow_y_button">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-                <child>
-                  <object class="GtkLabel" id="x_pow_y_label">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
-                    <property name="use_markup">True</property>
-                  </object>
-                </child>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_x_pow_y_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">8</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_ones_complement_button">
-                <property name="label">ones</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">6</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_twos_complement_button">
-                <property name="label">twos</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">7</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_trunc_button">
-                <property name="label">trunc</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="button_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">8</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkToggleButton" id="calc_subscript_button">
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <signal name="clicked" handler="set_subscript_cb" swapped="no"/>
-                <child>
-                  <object class="GtkLabel" id="label4">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="label">↓n</property>
-                    <property name="use_markup">True</property>
-                  </object>
-                </child>
-                <child internal-child="accessible">
-                  <object class="AtkObject" id="calc_subscript_button-atkobject">
-                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the subscript mode button">Subscript</property>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_12_button">
-                <property name="label">C</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_8_button">
-                <property name="label">8</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_4_button">
-                <property name="label">4</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkButton" id="calc_0_button">
-                <property name="label">0</property>
-                <property name="width_request">50</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="focus_on_click">False</property>
-                <property name="receives_default">True</property>
-                <property name="use_underline">True</property>
-                <signal name="clicked" handler="digit_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">4</property>
-              </packing>
-            </child>
-            <child>
-              <placeholder/>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">True</property>
-            <property name="fill">True</property>
-            <property name="position">2</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-  </object>
-</interface>
diff --git a/data/preferences.ui b/data/preferences.ui
deleted file mode 100644
index 56635b4..0000000
--- a/data/preferences.ui
+++ /dev/null
@@ -1,306 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.22.1 -->
-<interface>
-  <requires lib="gtk+" version="3.22"/>
-  <object class="GtkListStore" id="angle_unit_model">
-    <columns>
-      <!-- column-name label -->
-      <column type="gchararray"/>
-      <!-- column-name units -->
-      <column type="gint"/>
-    </columns>
-  </object>
-  <object class="GtkAdjustment" id="decimal_places_adjustment">
-    <property name="upper">15</property>
-    <property name="step_increment">1</property>
-    <property name="page_increment">1</property>
-  </object>
-  <object class="GtkImage" id="image1">
-    <property name="visible">True</property>
-    <property name="can_focus">False</property>
-    <property name="icon_name">window-close</property>
-  </object>
-  <object class="GtkListStore" id="number_format_model">
-    <columns>
-      <!-- column-name label -->
-      <column type="gchararray"/>
-      <!-- column-name format -->
-      <column type="gint"/>
-    </columns>
-  </object>
-  <object class="GtkListStore" id="word_size_model">
-    <columns>
-      <!-- column-name label -->
-      <column type="gchararray"/>
-      <!-- column-name size -->
-      <column type="gint"/>
-    </columns>
-    <data>
-      <row>
-        <col id="0" translatable="yes" comments="Word size combo: 8 bits">8-bit</col>
-        <col id="1">8</col>
-      </row>
-      <row>
-        <col id="0" translatable="yes" comments="Word size combo: 16 bits">16-bit</col>
-        <col id="1">16</col>
-      </row>
-      <row>
-        <col id="0" translatable="yes" comments="Word size combo: 32 bits">32-bit</col>
-        <col id="1">32</col>
-      </row>
-      <row>
-        <col id="0" translatable="yes" comments="Word size combo: 64 bits">64-bit</col>
-        <col id="1">64</col>
-      </row>
-    </data>
-  </object>
-  <object class="GtkDialog" id="preferences_dialog">
-    <property name="can_focus">False</property>
-    <property name="border_width">8</property>
-    <property name="title" translatable="yes">Preferences</property>
-    <property name="type_hint">normal</property>
-    <signal name="delete-event" handler="preferences_dialog_delete_cb" swapped="no"/>
-    <signal name="response" handler="preferences_response_cb" swapped="no"/>
-    <child>
-      <placeholder/>
-    </child>
-    <child internal-child="vbox">
-      <object class="GtkBox" id="dialog-vbox4">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
-        <property name="orientation">vertical</property>
-        <property name="spacing">5</property>
-        <child internal-child="action_area">
-          <object class="GtkButtonBox" id="dialog-action_area4">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="layout_style">end</property>
-            <child>
-              <object class="GtkButton" id="button1">
-                <property name="label" translatable="yes">_Close</property>
-                <property name="visible">True</property>
-                <property name="can_focus">True</property>
-                <property name="receives_default">True</property>
-                <property name="image">image1</property>
-                <property name="use_underline">True</property>
-              </object>
-              <packing>
-                <property name="expand">False</property>
-                <property name="fill">False</property>
-                <property name="position">0</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">False</property>
-            <property name="pack_type">end</property>
-            <property name="position">0</property>
-          </packing>
-        </child>
-        <child>
-          <object class="GtkGrid" id="preferences_table">
-            <property name="visible">True</property>
-            <property name="can_focus">False</property>
-            <property name="border_width">5</property>
-            <property name="row_spacing">12</property>
-            <property name="column_spacing">6</property>
-            <child>
-              <object class="GtkLabel" id="label8">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Preferences dialog: Label for angle unit combo box">_Angle units:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">angle_unit_combobox</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label9">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Preferences dialog: Label for display format combo box">Number _Format:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">number_format_combobox</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkComboBox" id="angle_unit_combobox">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="model">angle_unit_model</property>
-                <signal name="changed" handler="angle_unit_combobox_changed_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">2</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkComboBox" id="number_format_combobox">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="model">number_format_model</property>
-                <signal name="changed" handler="number_format_combobox_changed_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">0</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkComboBox" id="word_size_combobox">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="model">word_size_model</property>
-                <signal name="changed" handler="word_size_combobox_changed_cb" swapped="no"/>
-              </object>
-              <packing>
-                <property name="left_attach">1</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkLabel" id="label11">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="label" translatable="yes" comments="Preferences dialog: label for word size combo box">Word _size:</property>
-                <property name="use_underline">True</property>
-                <property name="mnemonic_widget">word_size_combobox</property>
-                <property name="xalign">0</property>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">3</property>
-              </packing>
-            </child>
-            <child>
-              <object class="GtkAlignment" id="alignment1">
-                <property name="visible">True</property>
-                <property name="can_focus">False</property>
-                <property name="bottom_padding">6</property>
-                <property name="left_padding">12</property>
-                <child>
-                  <object class="GtkGrid" id="table2">
-                    <property name="visible">True</property>
-                    <property name="can_focus">False</property>
-                    <property name="row_spacing">6</property>
-                    <child>
-                      <object class="GtkCheckButton" id="trailing_zeroes_check">
-                        <property name="label" translatable="yes" comments="Preferences dialog: label for show trailing zeroes check button">Show trailing _zeroes</property>
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">False</property>
-                        <property name="halign">start</property>
-                        <property name="use_underline">True</property>
-                        <property name="draw_indicator">True</property>
-                        <signal name="toggled" handler="trailing_zeroes_check_toggled_cb" swapped="no"/>
-                      </object>
-                      <packing>
-                        <property name="left_attach">0</property>
-                        <property name="top_attach">1</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkCheckButton" id="thousands_separator_check">
-                        <property name="label" translatable="yes" comments="Preferences dialog: label for show thousands separator check button">Show _thousands separators</property>
-                        <property name="visible">True</property>
-                        <property name="can_focus">True</property>
-                        <property name="receives_default">False</property>
-                        <property name="halign">start</property>
-                        <property name="use_underline">True</property>
-                        <property name="draw_indicator">True</property>
-                        <signal name="toggled" handler="thousands_separator_check_toggled_cb" swapped="no"/>
-                      </object>
-                      <packing>
-                        <property name="left_attach">0</property>
-                        <property name="top_attach">2</property>
-                      </packing>
-                    </child>
-                    <child>
-                      <object class="GtkBox" id="hbox1">
-                        <property name="visible">True</property>
-                        <property name="can_focus">False</property>
-                        <property name="spacing">6</property>
-                        <child>
-                          <object class="GtkLabel" id="decimal_places_label1">
-                            <property name="visible">True</property>
-                            <property name="can_focus">False</property>
-                            <property name="label" comments="Not translated by Gtk+, is translated as one string">Show</property>
-                            <property name="use_underline">True</property>
-                            <property name="mnemonic_widget">decimal_places_spin</property>
-                            <property name="xalign">0</property>
-                          </object>
-                          <packing>
-                            <property name="expand">False</property>
-                            <property name="fill">True</property>
-                            <property name="position">0</property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkSpinButton" id="decimal_places_spin">
-                            <property name="visible">True</property>
-                            <property name="can_focus">True</property>
-                            <property name="invisible_char">●</property>
-                            <property name="adjustment">decimal_places_adjustment</property>
-                            <signal name="value-changed" handler="decimal_places_spin_change_value_cb" swapped="no"/>
-                          </object>
-                          <packing>
-                            <property name="expand">False</property>
-                            <property name="fill">True</property>
-                            <property name="position">1</property>
-                          </packing>
-                        </child>
-                        <child>
-                          <object class="GtkLabel" id="decimal_places_label2">
-                            <property name="visible">True</property>
-                            <property name="can_focus">False</property>
-                            <property name="label" comments="Not translated by Gtk+, is translated as one string">decimal _places</property>
-                            <property name="use_underline">True</property>
-                            <property name="mnemonic_widget">decimal_places_spin</property>
-                            <property name="xalign">0</property>
-                          </object>
-                          <packing>
-                            <property name="expand">True</property>
-                            <property name="fill">True</property>
-                            <property name="position">2</property>
-                          </packing>
-                        </child>
-                      </object>
-                      <packing>
-                        <property name="left_attach">0</property>
-                        <property name="top_attach">0</property>
-                      </packing>
-                    </child>
-                  </object>
-                </child>
-              </object>
-              <packing>
-                <property name="left_attach">0</property>
-                <property name="top_attach">1</property>
-                <property name="width">2</property>
-              </packing>
-            </child>
-          </object>
-          <packing>
-            <property name="expand">False</property>
-            <property name="fill">True</property>
-            <property name="position">1</property>
-          </packing>
-        </child>
-      </object>
-    </child>
-    <action-widgets>
-      <action-widget response="0">button1</action-widget>
-    </action-widgets>
-  </object>
-</interface>
diff --git a/po/POTFILES.in b/po/POTFILES.in
index fe8c21b..40f90fe 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -1,11 +1,11 @@
 # List of source files containing translatable strings.
 # Please keep this file sorted alphabetically.
 [encoding: UTF-8]
-[type: gettext/glade]data/buttons-advanced.ui
-[type: gettext/glade]data/buttons-basic.ui
-[type: gettext/glade]data/buttons-financial.ui
-[type: gettext/glade]data/buttons-programming.ui
-[type: gettext/glade]data/preferences.ui
+[type: gettext/glade]src/buttons-advanced.ui
+[type: gettext/glade]src/buttons-basic.ui
+[type: gettext/glade]src/buttons-financial.ui
+[type: gettext/glade]src/buttons-programming.ui
+[type: gettext/glade]src/preferences.ui
 data/mate-calc.appdata.xml.in
 data/mate-calc.desktop.in
 data/org.mate.calc.gschema.xml.in
diff --git a/src/Makefile.am b/src/Makefile.am
index e187118..b6690a1 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -4,13 +4,18 @@ noinst_PROGRAMS = test-mp test-mp-equation
 TESTS = test-mp test-mp-equation
 
 AM_CPPFLAGS = \
-	-DUI_DIR=\""$(datadir)/mate-calc"\" \
 	-DVERSION=\""$(VERSION)"\" \
 	-DLOCALE_DIR=\""$(localedir)"\" \
 	-DGETTEXT_PACKAGE=\"$(GETTEXT_PACKAGE)\" \
 	$(WARN_CFLAGS) \
 	$(MATE_CALC_CFLAGS)
 
+BUILT_SOURCES = \
+	mate-calc-resources.c \
+	mate-calc-resources.h
+
+nodist_mate_calc_SOURCES= $(BUILT_SOURCES)
+
 mate_calc_SOURCES = \
 	mate-calc.c \
 	currency.c \
@@ -151,7 +156,8 @@ test_mp_equation_LDADD = \
 
 CLEANFILES = \
 	mp-enums.c \
-	mp-enums.h
+	mp-enums.h \
+	$(BUILT_SOURCES)
 
 # Generate enum types
 mp-enums.h: mp-enums.h.template mp-serializer.h
@@ -164,6 +170,11 @@ mp-enums.c: mp-enums.c.template mp-enums.h mp-serializer.h
 math-serializer.c: mp-enums.h
 math-equation.c: mp-enums.h
 
+# Generate resources
+mate-calc-resources.h mate-calc-resources.c: org.mate.calculator.gresource.xml Makefile $(shell $(GLIB_COMPILE_RESOURCES) --generate-dependencies --sourcedir $(srcdir) $(srcdir)/org.mate.calculator.gresource.xml)
+	$(AM_V_GEN) XMLLINT=$(XMLLINT) $(GLIB_COMPILE_RESOURCES) --target $@ --sourcedir $(srcdir) --generate --c-name calculator $<
+
+
 # Install a symlink between mate-calc and mate-calculator
 install-exec-hook:
 	test -e "$(DESTDIR)$(bindir)/mate-calculator" \
@@ -175,8 +186,14 @@ uninstall-local:
 	&& rm -f "$(DESTDIR)$(bindir)/mate-calculator"
 
 EXTRA_DIST = \
+	buttons-advanced.ui \
+	buttons-basic.ui \
+	buttons-financial.ui \
+	buttons-programming.ui \
 	mp-enums.c.template \
-	mp-enums.h.template
+	mp-enums.h.template \
+	org.mate.calculator.gresource.xml \
+	preferences.ui
 
 DISTCLEANFILES = \
 	Makefile.in
diff --git a/src/buttons-advanced.ui b/src/buttons-advanced.ui
new file mode 100644
index 0000000..a4b756b
--- /dev/null
+++ b/src/buttons-advanced.ui
@@ -0,0 +1,951 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.20.4 -->
+<interface>
+  <requires lib="gtk+" version="3.22"/>
+  <object class="GtkWindow" id="window1">
+    <property name="can_focus">False</property>
+    <child>
+      <object class="GtkGrid" id="button_panel">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="row_homogeneous">True</property>
+        <property name="column_homogeneous">True</property>
+        <child>
+          <object class="GtkButton" id="calc_factor_button">
+            <property name="label">a×b</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="factorize_cb" swapped="no"/>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_factor_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorize button">Factorize</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_imaginary_portion_button">
+            <property name="label">Im</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_imaginary_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="imaginary_label">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">&lt;i&gt;i&lt;/i&gt;</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_4_button">
+            <property name="label">4</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_7_button">
+            <property name="label">7</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_8_button">
+            <property name="label">8</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_9_button">
+            <property name="label">9</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_5_button">
+            <property name="label">5</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_6_button">
+            <property name="label">6</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_divide_button">
+            <property name="label">÷</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_2_button">
+            <property name="label">2</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_numeric_point_button">
+            <property name="label" comments="Label is set in gtk.c to comply with LC flags">.</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="numeric_point_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_3_button">
+            <property name="label">3</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_multiply_button">
+            <property name="label">×</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_subtract_button">
+            <property name="label">−</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="subtract_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_add_button">
+            <property name="label">+</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_result_button">
+            <property name="label" translatable="yes" comments="Label on the solve button (clicking this solves the displayed calculation)">=</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="solve_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_clear_button">
+            <property name="label" translatable="yes">Clear</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="clear_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_exponential_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="exponent_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="label2">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">×10&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_exponential_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the scientific exponent button">Scientific Exponent</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_modulus_divide_button">
+            <property name="label">mod</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_start_group_button">
+            <property name="label">(</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_end_group_button">
+            <property name="label">)</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_memory_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="memory_cb" swapped="no"/>
+            <child>
+              <object class="GtkBox" id="hbox20">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <child>
+                  <object class="GtkLabel" id="label23">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label" translatable="yes" comments="The label on the memory button">x</property>
+                    <attributes>
+                      <attribute name="style" value="italic"/>
+                    </attributes>
+                  </object>
+                  <packing>
+                    <property name="expand">True</property>
+                    <property name="fill">True</property>
+                    <property name="position">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkArrow" id="arrow14">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="arrow_type">down</property>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">1</property>
+                  </packing>
+                </child>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_memory_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the memory button">Memory</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">2</property>
+            <property name="width">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_real_portion_button">
+            <property name="label">Re</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_conjugate_button">
+            <property name="label">conj</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_natural_logarithm_button">
+            <property name="label">ln</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_logarithm_button">
+            <property name="label">log</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_x_pow_y_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="x_pow_y_label">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_x_pow_y_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_root_button">
+            <property name="label">√</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_undo_button">
+            <property name="label" translatable="yes">Undo</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="undo_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_pi_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="pi_label">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">π</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_eulers_number_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="eulers_number_label">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">&lt;i&gt;e&lt;/i&gt;</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="row_homogeneous">True</property>
+            <property name="column_homogeneous">True</property>
+            <child>
+              <object class="GtkButton" id="calc_cosine_button">
+                <property name="label">cos</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_sine_button">
+                <property name="label">sin</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_tangent_button">
+                <property name="label">tan</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">2</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_hyperbolic_sine_button">
+                <property name="label">sinh</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_hyperbolic_tangent_button">
+                <property name="label">tanh</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">2</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_inverse_sine_button">
+                <property name="label" translatable="yes">asin</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_inverse_tangent_button">
+                <property name="label" translatable="yes">atan</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">2</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_hyperbolic_cosine_button">
+                <property name="label">cosh</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_inverse_cosine_button">
+                <property name="label" translatable="yes">acos</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">0</property>
+            <property name="width">4</property>
+            <property name="height">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_function_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="function_cb" swapped="no"/>
+            <child>
+              <object class="GtkBox" id="hbox2">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <child>
+                  <object class="GtkLabel" id="label5">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">f(x)</property>
+                  </object>
+                  <packing>
+                    <property name="expand">True</property>
+                    <property name="fill">True</property>
+                    <property name="position">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkArrow" id="arrow1">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="arrow_type">down</property>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">1</property>
+                  </packing>
+                </child>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_function_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the store value button">Store</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_inverse_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="label20">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;−1&lt;/sup&gt;</property>
+                <property name="use_markup">True</property>
+                <property name="justify">center</property>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_inverse_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the inverse button">Inverse</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_factorial_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="label14">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">&lt;i&gt;x&lt;/i&gt;!</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_factorial_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorial button">Factorial</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_abs_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="label1">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">|&lt;i&gt;x&lt;/i&gt;|</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_abs_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the absolute value button">Absolute Value</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_arg_button">
+            <property name="label">Arg</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">10</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkToggleButton" id="calc_superscript_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="set_superscript_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="label3">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">↑n</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_superscript_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the superscript mode button">Superscript</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkToggleButton" id="calc_subscript_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="set_subscript_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="label4">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">↓n</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_subscript_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the subscript mode button">Subscript</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_1_button">
+            <property name="label">1</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_0_button">
+            <property name="label">0</property>
+            <property name="width_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">4</property>
+          </packing>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+    </child>
+    <child type="titlebar">
+      <placeholder/>
+    </child>
+  </object>
+</interface>
diff --git a/src/buttons-basic.ui b/src/buttons-basic.ui
new file mode 100644
index 0000000..387b590
--- /dev/null
+++ b/src/buttons-basic.ui
@@ -0,0 +1,376 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.20.4 -->
+<interface>
+  <requires lib="gtk+" version="3.22"/>
+  <object class="GtkWindow" id="window1">
+    <property name="can_focus">False</property>
+    <child>
+      <object class="GtkGrid" id="button_panel">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="row_homogeneous">True</property>
+        <property name="column_homogeneous">True</property>
+        <child>
+          <object class="GtkButton" id="calc_4_button">
+            <property name="label">4</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_8_button">
+            <property name="label">8</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_9_button">
+            <property name="label">9</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_5_button">
+            <property name="label">5</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_6_button">
+            <property name="label">6</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_divide_button">
+            <property name="label">÷</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_2_button">
+            <property name="label">2</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_numeric_point_button">
+            <property name="label" comments="Label is set in gtk.c to comply with LC flags">.</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="numeric_point_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_percentage_button">
+            <property name="label">%</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_3_button">
+            <property name="label">3</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_multiply_button">
+            <property name="label">×</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_subtract_button">
+            <property name="label">−</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="subtract_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_add_button">
+            <property name="label">+</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_result_button">
+            <property name="label" translatable="yes" comments="Label on the solve button (clicking this solves the displayed calculation)">=</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="solve_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">3</property>
+            <property name="width">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_start_group_button">
+            <property name="label">(</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_end_group_button">
+            <property name="label">)</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_clear_button">
+            <property name="label" translatable="yes">Clear</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="clear_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_square_root_button">
+            <property name="label">√</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_undo_button">
+            <property name="label" translatable="yes">Undo</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="undo_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_7_button">
+            <property name="label">7</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_x_squared_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="x_squared_label">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;&lt;i&gt;2&lt;/i&gt;&lt;/sup&gt;</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_x_squared_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_1_button">
+            <property name="label">1</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_0_button">
+            <property name="label">0</property>
+            <property name="width_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">False</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <child type="titlebar">
+      <placeholder/>
+    </child>
+  </object>
+</interface>
diff --git a/src/buttons-financial.ui b/src/buttons-financial.ui
new file mode 100644
index 0000000..d0a775e
--- /dev/null
+++ b/src/buttons-financial.ui
@@ -0,0 +1,2435 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.22.1 -->
+<interface>
+  <requires lib="gtk+" version="3.22"/>
+  <object class="GtkDialog" id="ctrm_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of Compounding Term dialog">Compounding Term</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="response" handler="finc_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox1">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button1">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button2">
+                <property name="label" translatable="yes" comments="Compounding Term Dialog: Calculate button">C_alculate</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">6</property>
+            <property name="row_spacing">6</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkEntry" id="ctrm_pint">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="ctrm_fv">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="ctrm_pv">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label9">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">35</property>
+                <property name="margin_bottom">35</property>
+                <property name="label" translatable="yes" comments="Compounding Term Dialog: Description of calculation">Calculates the number of compounding periods necessary to increase an investment of present value to a future value, at a fixed interest rate per compounding period.</property>
+                <property name="wrap">True</property>
+                <property name="max_width_chars">40</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label6">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Compounding Term Dialog: Label before periodic interest rate input">Periodic Interest _Rate:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">ctrm_pint</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label16">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Compounding Term Dialog: Label before future value input">_Future Value:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">ctrm_fv</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label5">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Compounding Term Dialog: Label before present value input">Present _Value:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">ctrm_pv</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button1</action-widget>
+      <action-widget response="-5">button2</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkDialog" id="ddb_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of Double-Declining Depreciation dialog">Double-Declining Depreciation</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="response" handler="finc_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox2">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area2">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button3">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button4">
+                <property name="label" translatable="yes" comments="Double-Declining Depreciation Dialog: Calculate button">C_alculate</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table2">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">6</property>
+            <property name="row_spacing">6</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkLabel" id="label7">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">35</property>
+                <property name="margin_bottom">35</property>
+                <property name="label" translatable="yes" comments="Double-Declining Depreciation Dialog: Description of calculation">Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method.</property>
+                <property name="wrap">True</property>
+                <property name="max_width_chars">40</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="ddb_life">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="ddb_cost">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="ddb_period">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label10">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Double-Declining Depreciation Dialog: Label before life input">_Life:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">ddb_life</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label11">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Double-Declining Depreciation Dialog: Label before period input">_Period:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">ddb_period</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label8">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Double-Declining Depreciation Dialog: Label before cost input">C_ost:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">ddb_cost</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button3</action-widget>
+      <action-widget response="-5">button4</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkDialog" id="fv_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of Future Value dialog">Future Value</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="response" handler="finc_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox3">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area3">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button5">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button6">
+                <property name="label" translatable="yes" comments="Future Value Dialog: Calculate button">C_alculate</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table3">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">6</property>
+            <property name="row_spacing">6</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkEntry" id="fv_n">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="fv_pint">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="fv_pmt">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label14">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Future Value Dialog: Label before periodic interest rate input">Periodic Interest _Rate:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">fv_pint</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label15">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Future Value Dialog: Label before number of periods input">_Number of Periods:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">fv_n</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label12">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">35</property>
+                <property name="margin_bottom">35</property>
+                <property name="label" translatable="yes" comments="Future Value Dialog: Description of calculation">Calculates the future value of an investment based on a series of equal payments at a periodic interest rate over the number of payment periods in the term.</property>
+                <property name="wrap">True</property>
+                <property name="max_width_chars">40</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label13">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Future Value Dialog: Label before periodic payment input">_Periodic Payment:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">fv_pmt</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button5</action-widget>
+      <action-widget response="-5">button6</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkDialog" id="gpm_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of Gross Profit Margin dialog">Gross Profit Margin</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="response" handler="finc_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox10">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area10">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button19">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button20">
+                <property name="label" translatable="yes" comments="Gross Profit Margin Dialog: Calculate button">C_alculate</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table10">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">6</property>
+            <property name="row_spacing">6</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkLabel" id="label47">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">35</property>
+                <property name="margin_bottom">35</property>
+                <property name="label" translatable="yes" comments="Gross Profit Margin Dialog: Description of calculation">Calculates the resale price of a product, based on the product cost and the wanted gross profit margin.</property>
+                <property name="wrap">True</property>
+                <property name="max_width_chars">40</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="gpm_cost">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="gpm_margin">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label48">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Gross Profit Margin Dialog: Label before cost input">C_ost:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">gpm_cost</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label49">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Gross Profit Margin Dialog: Label before margin input">_Margin:</property>
+                <property name="use_underline">True</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button19</action-widget>
+      <action-widget response="-5">button20</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkDialog" id="pmt_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of Periodic Payment dialog">Periodic Payment</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="response" handler="finc_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox4">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area4">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button7">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button8">
+                <property name="label" translatable="yes" comments="Periodic Payment Dialog: Calculate button">C_alculate</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table4">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">6</property>
+            <property name="row_spacing">6</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkLabel" id="label17">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">35</property>
+                <property name="margin_bottom">35</property>
+                <property name="label" translatable="yes" comments="Periodic Payment Dialog: Description of calculation">Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. </property>
+                <property name="wrap">True</property>
+                <property name="max_width_chars">40</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="pmt_prin">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="pmt_pint">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="pmt_n">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label21">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Periodic Payment Dialog: Label before term input">_Term:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">pmt_n</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label19">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Periodic Payment Dialog: Label before periodic interest rate input">Periodic Interest _Rate:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">pmt_pint</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label18">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Periodic Payment Dialog: Label before principal input">_Principal:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">pmt_prin</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button7</action-widget>
+      <action-widget response="-5">button8</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkDialog" id="pv_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of Present Value dialog">Present Value</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="response" handler="finc_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox5">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area5">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button9">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button10">
+                <property name="label" translatable="yes" comments="Present Value Dialog: Calculate button">C_alculate</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table5">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">6</property>
+            <property name="row_spacing">6</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkLabel" id="label36">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">35</property>
+                <property name="margin_bottom">35</property>
+                <property name="label" translatable="yes" comments="Present Value Dialog: Description of calculation">Calculates the present value of an investment based on a series of equal payments discounted at a periodic interest rate over the number of payment periods in the term. </property>
+                <property name="wrap">True</property>
+                <property name="max_width_chars">40</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="pv_pmt">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="pv_pint">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="pv_n">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label26">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Present Value Dialog: Label before number of periods input">_Number of Periods:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">pv_n</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label25">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Present Value Dialog: Label before periodic interest rate input">Periodic Interest _Rate:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">pv_pint</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label24">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Present Value Dialog: Label before periodic payment input">_Periodic Payment:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">pv_pmt</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button9</action-widget>
+      <action-widget response="-5">button10</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkDialog" id="rate_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of Periodic Interest Rate dialog">Periodic Interest Rate</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="response" handler="finc_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox6">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area6">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button11">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button12">
+                <property name="label" translatable="yes" comments="Periodic Interest Rate Dialog: Calculate button">C_alculate</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table6">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">6</property>
+            <property name="row_spacing">6</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkLabel" id="label28">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">35</property>
+                <property name="margin_bottom">35</property>
+                <property name="label" translatable="yes" comments="Periodic Interest Rate Dialog: Description of calculation">Calculates the periodic interest necessary to increase an investment to a future value, over the number of compounding periods. </property>
+                <property name="wrap">True</property>
+                <property name="max_width_chars">40</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="rate_fv">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="rate_pv">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="rate_n">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label30">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Periodic Interest Rate Dialog: Label before present value input">Present _Value:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">rate_pv</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label31">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Periodic Interest Rate Dialog: Label before term input">_Term:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">rate_n</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label29">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Periodic Interest Rate Dialog: Label before future value input">_Future Value:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">rate_fv</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button11</action-widget>
+      <action-widget response="-5">button12</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkDialog" id="sln_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of Straight-Line Depreciation dialog">Straight-Line Depreciation</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="response" handler="finc_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox7">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area7">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button13">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button14">
+                <property name="label" translatable="yes" comments="Straight-Line Depreciation Dialog: Calculate button">C_alculate</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table7">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">6</property>
+            <property name="row_spacing">6</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkLabel" id="label33">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Straight-Line Depreciation Dialog: Label before cost input">_Cost:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">sln_cost</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="sln_salvage">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="sln_cost">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="sln_life">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label35">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Straight-Line Depreciation Dialog: Label before life input">_Life:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">sln_life</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label34">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Straight-Line Depreciation Dialog: Label before salvage input">_Salvage:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">sln_salvage</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label32">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">35</property>
+                <property name="margin_bottom">35</property>
+                <property name="label" translatable="yes" comments="Straight-Line Depreciation Dialog: Description of calculation">Calculates the straight-line depreciation of an asset for one period. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. </property>
+                <property name="wrap">True</property>
+                <property name="max_width_chars">40</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button13</action-widget>
+      <action-widget response="-5">button14</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkDialog" id="syd_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of Sum-of-the-Years'-Digits Depreciation dialog">Sum-of-the-Years'-Digits Depreciation</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="response" handler="finc_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox8">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area8">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button15">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button16">
+                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Calculate result button">C_alculate</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table8">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">6</property>
+            <property name="row_spacing">6</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkLabel" id="label37">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Label before period input">_Period:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">syd_period</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label38">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Label before life input">_Life:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">syd_life</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label39">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Label before salvage input">_Salvage:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">syd_salvage</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label40">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Label before cost input">_Cost:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">syd_cost</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="syd_cost">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="syd_salvage">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="syd_life">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="syd_period">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label41">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">35</property>
+                <property name="margin_bottom">35</property>
+                <property name="label" translatable="yes" comments="Sum-of-the-Years'-Digits Depreciation Dialog: Description of calculation">Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-of-the-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The useful life is the number of periods, typically years, over which an asset is depreciated. </property>
+                <property name="wrap">True</property>
+                <property name="max_width_chars">40</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button15</action-widget>
+      <action-widget response="-5">button16</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkDialog" id="term_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of Payment Period dialog">Payment Period</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="response" handler="finc_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox9">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area9">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button17">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button18">
+                <property name="label" translatable="yes" comments="Payment Period Dialog: Button to calculate result">C_alculate</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">False</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="table9">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">6</property>
+            <property name="row_spacing">6</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkEntry" id="term_pint">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="term_fv">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="term_pmt">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="invisible_char">●</property>
+                <property name="text">0</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="finc_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label45">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Payment Period Dialog: Label before periodic payment input">_Periodic Payment:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">term_pmt</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label44">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Payment Period Dialog: Label before future value input">Future _Value:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">term_fv</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label43">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Payment Period Dialog: Label before periodic interest rate input">Periodic Interest _Rate:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">term_pint</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label46">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="margin_top">35</property>
+                <property name="margin_bottom">35</property>
+                <property name="label" translatable="yes" comments="Payment Period Dialog: Description of calculation">Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value, at a periodic interest rate.</property>
+                <property name="wrap">True</property>
+                <property name="max_width_chars">40</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button17</action-widget>
+      <action-widget response="-5">button18</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkWindow" id="window1">
+    <property name="can_focus">False</property>
+    <child type="titlebar">
+      <placeholder/>
+    </child>
+    <child>
+      <object class="GtkGrid" id="button_panel">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="row_homogeneous">True</property>
+        <property name="column_homogeneous">True</property>
+        <child>
+          <object class="GtkButton" id="calc_memory_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="memory_cb" swapped="no"/>
+            <child>
+              <object class="GtkBox" id="hbox20">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="spacing">3</property>
+                <child>
+                  <object class="GtkLabel" id="label23">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label" translatable="yes" comments="The label on the memory button">x</property>
+                    <attributes>
+                      <attribute name="style" value="italic"/>
+                    </attributes>
+                  </object>
+                  <packing>
+                    <property name="expand">True</property>
+                    <property name="fill">True</property>
+                    <property name="position">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkArrow" id="arrow14">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="arrow_type">down</property>
+                  </object>
+                  <packing>
+                    <property name="expand">False</property>
+                    <property name="fill">True</property>
+                    <property name="position">1</property>
+                  </packing>
+                </child>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_memory_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the memory value button">Memory</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">2</property>
+            <property name="width">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_logarithm_button">
+            <property name="label">log</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_8_button">
+            <property name="label">8</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_9_button">
+            <property name="label">9</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_5_button">
+            <property name="label">5</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_6_button">
+            <property name="label">6</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_divide_button">
+            <property name="label">÷</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_2_button">
+            <property name="label">2</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_numeric_point_button">
+            <property name="label" comments="Label is set in gtk.c to comply with LC flags">.</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="numeric_point_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">1</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_percentage_button">
+            <property name="label">%</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_3_button">
+            <property name="label">3</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">2</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_multiply_button">
+            <property name="label">×</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_subtract_button">
+            <property name="label">−</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="subtract_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_add_button">
+            <property name="label">+</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">3</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_result_button">
+            <property name="label" translatable="yes" comments="Label on the solve button (clicking this solves the displayed calculation)">=</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="solve_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">3</property>
+            <property name="width">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_start_group_button">
+            <property name="label">(</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_end_group_button">
+            <property name="label">)</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_clear_button">
+            <property name="label" translatable="yes">Clear</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="clear_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">5</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_finc_compounding_term_button">
+            <property name="label" translatable="yes" comments="Calculates the number of compounding periods necessary to increase an investment of present value pv to a future value of fv, at a fixed interest rate of int per compounding period. See also: http://en.wikipedia.org/wiki/Compound_interest">Ctrm</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="finc_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_finc_double_declining_depreciation_button">
+            <property name="label" translatable="yes" comments="Calculates the depreciation allowance on an asset for a specified period of time, using the double-declining balance method. See also: http://en.wikipedia.org/wiki/Depreciation">Ddb</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="finc_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_finc_future_value_button">
+            <property name="label" translatable="yes" comments="Calculates the future value of an investment based on a series of equal payments, each of amount pmt, at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Future_value">Fv</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="finc_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_finc_term_button">
+            <property name="label" translatable="yes" comments="Calculates the number of payment periods that are necessary during the term of an ordinary annuity, to accumulate a future value of fv, at a periodic interest rate of int. Each payment is equal to amount pmt. See also: http://en.wikipedia.org/wiki/Annuity_(finance_theory)">Term</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="finc_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_finc_sum_of_the_years_digits_depreciation_button">
+            <property name="label" translatable="yes" comments="Calculates the depreciation allowance on an asset for a specified period of time, using the Sum-Of-The-Years'-Digits method. This method of depreciation accelerates the rate of depreciation, so that more depreciation expense occurs in earlier periods than in later ones. The depreciable cost is cost - salvage. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation">Syd</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="finc_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_finc_straight_line_depreciation_button">
+            <property name="label" translatable="yes" comments="Calculates the straight-line depreciation of an asset for one period. The depreciable cost is cost - salvage. The straight-line method of depreciation divides the depreciable cost evenly over the useful life of an asset. The useful life is the number of periods, typically years, over which an asset is depreciated. See also: http://en.wikipedia.org/wiki/Depreciation">Sln</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="finc_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_finc_periodic_interest_rate_button">
+            <property name="label" translatable="yes" comments="Calculates the periodic interest necessary to increase an investment of present value pv to a future value of fv, over the number of compounding periods in term. See also: http://en.wikipedia.org/wiki/Interest                                      ">Rate</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="finc_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_finc_present_value_button">
+            <property name="label" translatable="yes" comments="Calculates the present value of an investment based on a series of equal payments, each of amount pmt, discounted at a periodic interest rate of int, over the number of payment periods in the term. See also: http://en.wikipedia.org/wiki/Present_value">Pv</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="finc_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">9</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_finc_periodic_payment_button">
+            <property name="label" translatable="yes" comments="Calculates the amount of the periodic payment of a loan, where payments are made at the end of each payment period. See also: http://en.wikipedia.org/wiki/Amortization_schedule">Pmt</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="finc_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">8</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_finc_gross_profit_margin_button">
+            <property name="label" translatable="yes" comments="Calculates the resale price of a product, based on the product cost and the wanted gross profit margin. See also: http://en.wikipedia.org/wiki/Gross_profit_margin">Gpm</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="finc_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">7</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_x_pow_y_button">
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+            <child>
+              <object class="GtkLabel" id="x_pow_y_label">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
+                <property name="use_markup">True</property>
+              </object>
+            </child>
+            <child internal-child="accessible">
+              <object class="AtkObject" id="calc_x_pow_y_button-atkobject">
+                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_root_button">
+            <property name="label">√</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="button_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">6</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_undo_button">
+            <property name="label" translatable="yes">Undo</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+          </object>
+          <packing>
+            <property name="left_attach">4</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_7_button">
+            <property name="label">7</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_4_button">
+            <property name="label">4</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_1_button">
+            <property name="label">1</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">2</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkButton" id="calc_0_button">
+            <property name="label">0</property>
+            <property name="width_request">50</property>
+            <property name="visible">True</property>
+            <property name="can_focus">True</property>
+            <property name="focus_on_click">False</property>
+            <property name="receives_default">True</property>
+            <property name="use_underline">True</property>
+            <signal name="clicked" handler="digit_cb" swapped="no"/>
+          </object>
+          <packing>
+            <property name="left_attach">0</property>
+            <property name="top_attach">3</property>
+          </packing>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
+        <child>
+          <placeholder/>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/src/buttons-programming.ui b/src/buttons-programming.ui
new file mode 100644
index 0000000..71d5c4e
--- /dev/null
+++ b/src/buttons-programming.ui
@@ -0,0 +1,2792 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.22.1 -->
+<interface>
+  <requires lib="gtk+" version="3.22"/>
+  <object class="GtkDialog" id="character_code_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">6</property>
+    <property name="title" translatable="yes" comments="Title of insert character code dialog">Insert Character Code</property>
+    <property name="resizable">False</property>
+    <property name="type_hint">dialog</property>
+    <property name="icon_name">accessories-calculator</property>
+    <signal name="delete-event" handler="character_code_dialog_delete_cb" swapped="no"/>
+    <signal name="response" handler="character_code_dialog_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox3">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area3">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button9">
+                <property name="label" translatable="yes">_Cancel</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="button8">
+                <property name="label" translatable="yes" comments="Insert ASCII dialog: Button to insert selected character">_Insert</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkBox" id="hbox21">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">5</property>
+            <child>
+              <object class="GtkLabel" id="label39">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Insert ASCII dialog: Label before character entry">Ch_aracter:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">character_code_entry</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkEntry" id="character_code_entry">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="max_length">1</property>
+                <property name="invisible_char">●</property>
+                <property name="primary_icon_activatable">False</property>
+                <property name="secondary_icon_activatable">False</property>
+                <signal name="activate" handler="character_code_dialog_activate_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="-6">button9</action-widget>
+      <action-widget response="-5">button8</action-widget>
+    </action-widgets>
+  </object>
+  <object class="GtkWindow" id="window1">
+    <property name="can_focus">False</property>
+    <child>
+      <placeholder/>
+    </child>
+    <child>
+      <object class="GtkBox" id="button_panel">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <property name="spacing">6</property>
+        <child>
+          <object class="GtkBox" id="hbox1">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="spacing">6</property>
+            <child>
+              <object class="GtkComboBox" id="base_combo">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="focus_on_click">False</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">True</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="base_label">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" comments="Example content">FF₁₆ 256₁₀</property>
+                <property name="xalign">1</property>
+              </object>
+              <packing>
+                <property name="expand">True</property>
+                <property name="fill">True</property>
+                <property name="position">1</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkAlignment" id="bit_panel">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="xscale">0</property>
+            <property name="yscale">0</property>
+            <child>
+              <object class="GtkGrid" id="bit_table">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_1">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_1">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">1</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_2">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_2">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">2</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_3">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_3">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">3</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_4">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_4">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">5</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_5">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_5">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">6</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_6">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_6">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">7</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_7">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_7">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">8</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_8">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_8">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">10</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_9">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_9">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">11</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_10">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_10">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">12</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_11">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_11">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">13</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_12">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_12">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">15</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_13">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_13">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">16</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_14">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_14">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">17</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_15">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_15">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">18</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_31">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_31">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">38</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_30">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_30">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">37</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_29">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_29">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">36</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_28">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_28">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">35</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_27">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_27">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">33</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_26">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_26">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">32</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_25">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_25">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">31</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_24">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_24">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">30</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_23">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_23">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">28</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_22">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_22">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">27</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_21">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_21">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">26</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_20">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_20">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">25</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_19">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_19">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">23</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_18">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_18">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">22</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_17">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_17">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">21</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_16">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_16">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">20</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="bit_marker_label2">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">32</property>
+                    <property name="justify">center</property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">38</property>
+                    <property name="top_attach">1</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="bit_marker_label5">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">0</property>
+                    <property name="justify">center</property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">38</property>
+                    <property name="top_attach">3</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_33">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_33">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">1</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_34">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_34">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">2</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_35">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_35">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">3</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_36">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_36">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">5</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_37">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_37">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">6</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_38">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_38">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">7</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_39">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_39">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">8</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_40">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_40">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">10</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_41">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_41">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">11</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_42">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_42">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">12</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_43">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_43">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">13</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_44">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_44">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">15</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_45">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_45">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">16</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_46">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_46">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">17</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_47">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_47">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">18</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_48">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_48">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">20</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_49">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_49">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">21</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_50">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_50">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">22</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_51">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_51">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">23</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_52">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_52">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">25</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_53">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_53">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">26</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_54">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_54">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">27</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_55">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_55">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">28</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_56">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_56">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">30</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_57">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_57">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">31</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_58">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_58">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">32</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_59">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_59">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">33</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_60">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_60">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">35</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_61">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_61">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">36</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_62">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_62">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">37</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_63">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_63">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">38</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="bit_marker_label1">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">47</property>
+                    <property name="justify">center</property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">20</property>
+                    <property name="top_attach">1</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="bit_marker_label4">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">15</property>
+                    <property name="justify">center</property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">20</property>
+                    <property name="top_attach">3</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label25">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">4</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label26">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">9</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label27">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">14</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label28">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">19</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label29">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">24</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label30">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">29</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label31">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">34</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label32">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">4</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label33">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">9</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label34">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">14</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label35">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">19</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label36">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">24</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label37">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">29</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="label38">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">  </property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">34</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_0">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_0">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">0</property>
+                    <property name="top_attach">0</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="bit_marker_label0">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">63</property>
+                    <property name="justify">center</property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">0</property>
+                    <property name="top_attach">1</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkLabel" id="bit_maker_label3">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">31</property>
+                    <property name="justify">center</property>
+                    <property name="xalign">0</property>
+                  </object>
+                  <packing>
+                    <property name="left_attach">0</property>
+                    <property name="top_attach">3</property>
+                  </packing>
+                </child>
+                <child>
+                  <object class="GtkEventBox" id="bit_eventbox_32">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <signal name="button-press-event" handler="bit_toggle_cb" swapped="no"/>
+                    <child>
+                      <object class="GtkLabel" id="bit_label_32">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label"> 0</property>
+                        <property name="xalign">0</property>
+                      </object>
+                    </child>
+                  </object>
+                  <packing>
+                    <property name="left_attach">0</property>
+                    <property name="top_attach">2</property>
+                  </packing>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+                <child>
+                  <placeholder/>
+                </child>
+              </object>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="advanced_panel">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="row_homogeneous">True</property>
+            <property name="column_homogeneous">True</property>
+            <child>
+              <object class="GtkButton" id="calc_root_button">
+                <property name="label">√</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">7</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_logarithm_button">
+                <property name="label">log</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">7</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_factor_button">
+                <property name="label">fact</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="factorize_cb" swapped="no"/>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_factor_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorize button">Factorize</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">7</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_natural_logarithm_button">
+                <property name="label">ln</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">8</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_abs_button">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+                <child>
+                  <object class="GtkLabel" id="label1">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">|&lt;i&gt;x&lt;/i&gt;|</property>
+                    <property name="use_markup">True</property>
+                  </object>
+                </child>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_abs_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the absolute value button">Absolute Value</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">9</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_integer_portion_button">
+                <property name="label">int</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">9</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_fractional_portion_button">
+                <property name="label">frac</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">9</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_divide_button">
+                <property name="label">÷</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">4</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_multiply_button">
+                <property name="label">×</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">4</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_subtract_button">
+                <property name="label">−</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="subtract_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">4</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_add_button">
+                <property name="label">+</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">4</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_result_button">
+                <property name="label" translatable="yes" comments="Label on the solve button (clicking this solves the displayed calculation)">=</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="solve_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">6</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_clear_button">
+                <property name="label" translatable="yes">Clear</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="clear_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">6</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_1_button">
+                <property name="label">1</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_2_button">
+                <property name="label">2</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">2</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_3_button">
+                <property name="label">3</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">3</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_5_button">
+                <property name="label">5</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_6_button">
+                <property name="label">6</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">2</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_7_button">
+                <property name="label">7</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">3</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_9_button">
+                <property name="label">9</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_10_button">
+                <property name="label">A</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">2</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_11_button">
+                <property name="label">B</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">3</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_13_button">
+                <property name="label">D</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_14_button">
+                <property name="label">E</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">2</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_15_button">
+                <property name="label">F</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">3</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkToggleButton" id="calc_superscript_button">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="set_superscript_cb" swapped="no"/>
+                <child>
+                  <object class="GtkLabel" id="label3">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">↑n</property>
+                    <property name="use_markup">True</property>
+                  </object>
+                </child>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_superscript_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the superscript mode button">Superscript</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_numeric_point_button">
+                <property name="label" comments="Label is set in gtk.c to comply with LC flags">.</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="numeric_point_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">2</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_memory_button">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="memory_cb" swapped="no"/>
+                <child>
+                  <object class="GtkBox" id="hbox20">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="spacing">3</property>
+                    <child>
+                      <object class="GtkLabel" id="label23">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="label" translatable="yes" comments="The label on the memory button">x</property>
+                      </object>
+                      <packing>
+                        <property name="expand">True</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkArrow" id="arrow14">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="arrow_type">down</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                </child>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_memory_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the store value button">Store</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">3</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_xor_button">
+                <property name="label">XOR</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">5</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_or_button">
+                <property name="label">OR</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">5</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_and_button">
+                <property name="label">AND</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">5</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_modulus_divide_button">
+                <property name="label">mod</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">5</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_start_group_button">
+                <property name="label">(</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">4</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_end_group_button">
+                <property name="label">)</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">5</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_shift_left_button">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="shift_left_cb" swapped="no"/>
+                <child>
+                  <object class="GtkBox" id="hbox11">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="spacing">3</property>
+                    <child>
+                      <object class="GtkLabel" id="label7">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="label">&lt;</property>
+                      </object>
+                      <packing>
+                        <property name="expand">True</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkArrow" id="arrow5">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="arrow_type">down</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                </child>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_shift_left_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the shift left button">Shift Left</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">6</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_shift_right_button">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="shift_right_cb" swapped="no"/>
+                <child>
+                  <object class="GtkBox" id="hbox10">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="spacing">3</property>
+                    <child>
+                      <object class="GtkLabel" id="label6">
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="label">&gt;</property>
+                      </object>
+                      <packing>
+                        <property name="expand">True</property>
+                        <property name="fill">True</property>
+                        <property name="position">0</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkArrow" id="arrow4">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="arrow_type">down</property>
+                      </object>
+                      <packing>
+                        <property name="expand">False</property>
+                        <property name="fill">True</property>
+                        <property name="position">1</property>
+                      </packing>
+                    </child>
+                  </object>
+                </child>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_shift_right_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the shift right button">Shift Right</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">7</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_character_button">
+                <property name="label">á</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="insert_character_code_cb" swapped="no"/>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_character_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the insert character button">Insert Character</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">8</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_not_button">
+                <property name="label">NOT</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">6</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_factorial_button">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+                <child>
+                  <object class="GtkLabel" id="label14">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">&lt;i&gt;x&lt;/i&gt;!</property>
+                    <property name="use_markup">True</property>
+                  </object>
+                </child>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_factorial_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorial button">Factorial</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">8</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_inverse_button">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+                <child>
+                  <object class="GtkLabel" id="label20">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;−1&lt;/sup&gt;</property>
+                    <property name="use_markup">True</property>
+                    <property name="justify">center</property>
+                  </object>
+                </child>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_inverse_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the inverse button">Inverse</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">9</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_x_pow_y_button">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+                <child>
+                  <object class="GtkLabel" id="x_pow_y_label">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
+                    <property name="use_markup">True</property>
+                  </object>
+                </child>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_x_pow_y_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">8</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_ones_complement_button">
+                <property name="label">ones</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">6</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_twos_complement_button">
+                <property name="label">twos</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">7</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_trunc_button">
+                <property name="label">trunc</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="button_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">8</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkToggleButton" id="calc_subscript_button">
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <signal name="clicked" handler="set_subscript_cb" swapped="no"/>
+                <child>
+                  <object class="GtkLabel" id="label4">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="label">↓n</property>
+                    <property name="use_markup">True</property>
+                  </object>
+                </child>
+                <child internal-child="accessible">
+                  <object class="AtkObject" id="calc_subscript_button-atkobject">
+                    <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the subscript mode button">Subscript</property>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_12_button">
+                <property name="label">C</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_8_button">
+                <property name="label">8</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_4_button">
+                <property name="label">4</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkButton" id="calc_0_button">
+                <property name="label">0</property>
+                <property name="width_request">50</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="focus_on_click">False</property>
+                <property name="receives_default">True</property>
+                <property name="use_underline">True</property>
+                <signal name="clicked" handler="digit_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">4</property>
+              </packing>
+            </child>
+            <child>
+              <placeholder/>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">True</property>
+            <property name="fill">True</property>
+            <property name="position">2</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+  </object>
+</interface>
diff --git a/src/math-buttons.c b/src/math-buttons.c
index a97d6ee..50b15a7 100644
--- a/src/math-buttons.c
+++ b/src/math-buttons.c
@@ -60,10 +60,10 @@ struct MathButtonsPrivate
 
 G_DEFINE_TYPE_WITH_PRIVATE (MathButtons, math_buttons, GTK_TYPE_BOX);
 
-#define UI_BASIC_FILE       UI_DIR "/buttons-basic.ui"
-#define UI_ADVANCED_FILE    UI_DIR "/buttons-advanced.ui"
-#define UI_FINANCIAL_FILE   UI_DIR "/buttons-financial.ui"
-#define UI_PROGRAMMING_FILE UI_DIR "/buttons-programming.ui"
+#define UI_BASIC_RESOURCE_PATH       "/org/mate/calculator/ui/buttons-basic.ui"
+#define UI_ADVANCED_RESOURCE_PATH    "/org/mate/calculator/ui/buttons-advanced.ui"
+#define UI_FINANCIAL_RESOURCE_PATH   "/org/mate/calculator/ui/buttons-financial.ui"
+#define UI_PROGRAMMING_RESOURCE_PATH "/org/mate/calculator/ui/buttons-programming.ui"
 
 #define GET_WIDGET(ui, name) \
           GTK_WIDGET(gtk_builder_get_object((ui), (name)))
@@ -478,7 +478,7 @@ load_mode(MathButtons *buttons, ButtonMode mode)
     GtkBuilder *builder, **builder_ptr;
     gint i;
     gchar *name;
-    const gchar *builder_file;
+    const gchar *path;
     static gchar *objects[] = { "button_panel", "character_code_dialog", "currency_dialog",
                                 "ctrm_dialog", "ddb_dialog", "fv_dialog", "gpm_dialog",
                                 "pmt_dialog", "pv_dialog", "rate_dialog", "sln_dialog",
@@ -490,22 +490,22 @@ load_mode(MathButtons *buttons, ButtonMode mode)
     default:
     case BASIC:
         builder_ptr = &buttons->priv->basic_ui;
-        builder_file = UI_BASIC_FILE;
+        path = UI_BASIC_RESOURCE_PATH;
         panel = &buttons->priv->bas_panel;
         break;
     case ADVANCED:
         builder_ptr = &buttons->priv->advanced_ui;
-        builder_file = UI_ADVANCED_FILE;
+        path = UI_ADVANCED_RESOURCE_PATH;
         panel = &buttons->priv->adv_panel;
         break;
     case FINANCIAL:
         builder_ptr = &buttons->priv->financial_ui;
-        builder_file = UI_FINANCIAL_FILE;
+        path = UI_FINANCIAL_RESOURCE_PATH;
         panel = &buttons->priv->fin_panel;
         break;
     case PROGRAMMING:
         builder_ptr = &buttons->priv->programming_ui;
-        builder_file = UI_PROGRAMMING_FILE;
+        path = UI_PROGRAMMING_RESOURCE_PATH;
         panel = &buttons->priv->prog_panel;
         break;
     }
@@ -515,7 +515,7 @@ load_mode(MathButtons *buttons, ButtonMode mode)
 
     builder = *builder_ptr = gtk_builder_new();
     // FIXME: Show dialog if failed to load
-    gtk_builder_add_objects_from_file(builder, builder_file, objects, &error);
+    gtk_builder_add_objects_from_resource(builder, path, objects, &error);
     if (error) {
         g_warning("Error loading button UI: %s", error->message);
         g_clear_error(&error);
diff --git a/src/math-preferences.c b/src/math-preferences.c
index 1ba91cc..adbd58e 100644
--- a/src/math-preferences.c
+++ b/src/math-preferences.c
@@ -28,7 +28,7 @@ struct MathPreferencesDialogPrivate
 
 G_DEFINE_TYPE_WITH_PRIVATE (MathPreferencesDialog, math_preferences, GTK_TYPE_DIALOG);
 
-#define UI_DIALOGS_FILE  UI_DIR "/preferences.ui"
+#define UI_DIALOGS_RESOURCE_PATH "/org/mate/calculator/ui/preferences.ui"
 #define GET_WIDGET(ui, name) \
           GTK_WIDGET(gtk_builder_get_object(ui, name))
 
@@ -229,7 +229,7 @@ create_gui(MathPreferencesDialog *dialog)
 
     // FIXME: Handle errors
     dialog->priv->ui = gtk_builder_new();
-    gtk_builder_add_objects_from_file(dialog->priv->ui, UI_DIALOGS_FILE, objects, &error);
+    gtk_builder_add_objects_from_resource(dialog->priv->ui, UI_DIALOGS_RESOURCE_PATH, objects, &error);
     if (error)
         g_warning("Error loading preferences UI: %s", error->message);
     g_clear_error(&error);
diff --git a/src/org.mate.calculator.gresource.xml b/src/org.mate.calculator.gresource.xml
new file mode 100644
index 0000000..c31c1ba
--- /dev/null
+++ b/src/org.mate.calculator.gresource.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    This file is part of MATE Calc.
+
+    MATE Calc is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    MATE Calc is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with MATE Calc.  If not, see <http://www.gnu.org/licenses/>.
+-->
+<gresources>
+  <gresource prefix="/org/mate/calculator/ui">
+    <file compressed="true" preprocess="xml-stripblanks">buttons-advanced.ui</file>
+    <file compressed="true" preprocess="xml-stripblanks">buttons-basic.ui</file>
+    <file compressed="true" preprocess="xml-stripblanks">buttons-financial.ui</file>
+    <file compressed="true" preprocess="xml-stripblanks">buttons-programming.ui</file>
+    <file compressed="true" preprocess="xml-stripblanks">preferences.ui</file>
+  </gresource>
+</gresources>
diff --git a/src/preferences.ui b/src/preferences.ui
new file mode 100644
index 0000000..56635b4
--- /dev/null
+++ b/src/preferences.ui
@@ -0,0 +1,306 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- Generated with glade 3.22.1 -->
+<interface>
+  <requires lib="gtk+" version="3.22"/>
+  <object class="GtkListStore" id="angle_unit_model">
+    <columns>
+      <!-- column-name label -->
+      <column type="gchararray"/>
+      <!-- column-name units -->
+      <column type="gint"/>
+    </columns>
+  </object>
+  <object class="GtkAdjustment" id="decimal_places_adjustment">
+    <property name="upper">15</property>
+    <property name="step_increment">1</property>
+    <property name="page_increment">1</property>
+  </object>
+  <object class="GtkImage" id="image1">
+    <property name="visible">True</property>
+    <property name="can_focus">False</property>
+    <property name="icon_name">window-close</property>
+  </object>
+  <object class="GtkListStore" id="number_format_model">
+    <columns>
+      <!-- column-name label -->
+      <column type="gchararray"/>
+      <!-- column-name format -->
+      <column type="gint"/>
+    </columns>
+  </object>
+  <object class="GtkListStore" id="word_size_model">
+    <columns>
+      <!-- column-name label -->
+      <column type="gchararray"/>
+      <!-- column-name size -->
+      <column type="gint"/>
+    </columns>
+    <data>
+      <row>
+        <col id="0" translatable="yes" comments="Word size combo: 8 bits">8-bit</col>
+        <col id="1">8</col>
+      </row>
+      <row>
+        <col id="0" translatable="yes" comments="Word size combo: 16 bits">16-bit</col>
+        <col id="1">16</col>
+      </row>
+      <row>
+        <col id="0" translatable="yes" comments="Word size combo: 32 bits">32-bit</col>
+        <col id="1">32</col>
+      </row>
+      <row>
+        <col id="0" translatable="yes" comments="Word size combo: 64 bits">64-bit</col>
+        <col id="1">64</col>
+      </row>
+    </data>
+  </object>
+  <object class="GtkDialog" id="preferences_dialog">
+    <property name="can_focus">False</property>
+    <property name="border_width">8</property>
+    <property name="title" translatable="yes">Preferences</property>
+    <property name="type_hint">normal</property>
+    <signal name="delete-event" handler="preferences_dialog_delete_cb" swapped="no"/>
+    <signal name="response" handler="preferences_response_cb" swapped="no"/>
+    <child>
+      <placeholder/>
+    </child>
+    <child internal-child="vbox">
+      <object class="GtkBox" id="dialog-vbox4">
+        <property name="visible">True</property>
+        <property name="can_focus">False</property>
+        <property name="orientation">vertical</property>
+        <property name="spacing">5</property>
+        <child internal-child="action_area">
+          <object class="GtkButtonBox" id="dialog-action_area4">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="layout_style">end</property>
+            <child>
+              <object class="GtkButton" id="button1">
+                <property name="label" translatable="yes">_Close</property>
+                <property name="visible">True</property>
+                <property name="can_focus">True</property>
+                <property name="receives_default">True</property>
+                <property name="image">image1</property>
+                <property name="use_underline">True</property>
+              </object>
+              <packing>
+                <property name="expand">False</property>
+                <property name="fill">False</property>
+                <property name="position">0</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">False</property>
+            <property name="pack_type">end</property>
+            <property name="position">0</property>
+          </packing>
+        </child>
+        <child>
+          <object class="GtkGrid" id="preferences_table">
+            <property name="visible">True</property>
+            <property name="can_focus">False</property>
+            <property name="border_width">5</property>
+            <property name="row_spacing">12</property>
+            <property name="column_spacing">6</property>
+            <child>
+              <object class="GtkLabel" id="label8">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Preferences dialog: Label for angle unit combo box">_Angle units:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">angle_unit_combobox</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label9">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Preferences dialog: Label for display format combo box">Number _Format:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">number_format_combobox</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkComboBox" id="angle_unit_combobox">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="model">angle_unit_model</property>
+                <signal name="changed" handler="angle_unit_combobox_changed_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">2</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkComboBox" id="number_format_combobox">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="model">number_format_model</property>
+                <signal name="changed" handler="number_format_combobox_changed_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">0</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkComboBox" id="word_size_combobox">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="model">word_size_model</property>
+                <signal name="changed" handler="word_size_combobox_changed_cb" swapped="no"/>
+              </object>
+              <packing>
+                <property name="left_attach">1</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkLabel" id="label11">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="label" translatable="yes" comments="Preferences dialog: label for word size combo box">Word _size:</property>
+                <property name="use_underline">True</property>
+                <property name="mnemonic_widget">word_size_combobox</property>
+                <property name="xalign">0</property>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">3</property>
+              </packing>
+            </child>
+            <child>
+              <object class="GtkAlignment" id="alignment1">
+                <property name="visible">True</property>
+                <property name="can_focus">False</property>
+                <property name="bottom_padding">6</property>
+                <property name="left_padding">12</property>
+                <child>
+                  <object class="GtkGrid" id="table2">
+                    <property name="visible">True</property>
+                    <property name="can_focus">False</property>
+                    <property name="row_spacing">6</property>
+                    <child>
+                      <object class="GtkCheckButton" id="trailing_zeroes_check">
+                        <property name="label" translatable="yes" comments="Preferences dialog: label for show trailing zeroes check button">Show trailing _zeroes</property>
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="receives_default">False</property>
+                        <property name="halign">start</property>
+                        <property name="use_underline">True</property>
+                        <property name="draw_indicator">True</property>
+                        <signal name="toggled" handler="trailing_zeroes_check_toggled_cb" swapped="no"/>
+                      </object>
+                      <packing>
+                        <property name="left_attach">0</property>
+                        <property name="top_attach">1</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkCheckButton" id="thousands_separator_check">
+                        <property name="label" translatable="yes" comments="Preferences dialog: label for show thousands separator check button">Show _thousands separators</property>
+                        <property name="visible">True</property>
+                        <property name="can_focus">True</property>
+                        <property name="receives_default">False</property>
+                        <property name="halign">start</property>
+                        <property name="use_underline">True</property>
+                        <property name="draw_indicator">True</property>
+                        <signal name="toggled" handler="thousands_separator_check_toggled_cb" swapped="no"/>
+                      </object>
+                      <packing>
+                        <property name="left_attach">0</property>
+                        <property name="top_attach">2</property>
+                      </packing>
+                    </child>
+                    <child>
+                      <object class="GtkBox" id="hbox1">
+                        <property name="visible">True</property>
+                        <property name="can_focus">False</property>
+                        <property name="spacing">6</property>
+                        <child>
+                          <object class="GtkLabel" id="decimal_places_label1">
+                            <property name="visible">True</property>
+                            <property name="can_focus">False</property>
+                            <property name="label" comments="Not translated by Gtk+, is translated as one string">Show</property>
+                            <property name="use_underline">True</property>
+                            <property name="mnemonic_widget">decimal_places_spin</property>
+                            <property name="xalign">0</property>
+                          </object>
+                          <packing>
+                            <property name="expand">False</property>
+                            <property name="fill">True</property>
+                            <property name="position">0</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <object class="GtkSpinButton" id="decimal_places_spin">
+                            <property name="visible">True</property>
+                            <property name="can_focus">True</property>
+                            <property name="invisible_char">●</property>
+                            <property name="adjustment">decimal_places_adjustment</property>
+                            <signal name="value-changed" handler="decimal_places_spin_change_value_cb" swapped="no"/>
+                          </object>
+                          <packing>
+                            <property name="expand">False</property>
+                            <property name="fill">True</property>
+                            <property name="position">1</property>
+                          </packing>
+                        </child>
+                        <child>
+                          <object class="GtkLabel" id="decimal_places_label2">
+                            <property name="visible">True</property>
+                            <property name="can_focus">False</property>
+                            <property name="label" comments="Not translated by Gtk+, is translated as one string">decimal _places</property>
+                            <property name="use_underline">True</property>
+                            <property name="mnemonic_widget">decimal_places_spin</property>
+                            <property name="xalign">0</property>
+                          </object>
+                          <packing>
+                            <property name="expand">True</property>
+                            <property name="fill">True</property>
+                            <property name="position">2</property>
+                          </packing>
+                        </child>
+                      </object>
+                      <packing>
+                        <property name="left_attach">0</property>
+                        <property name="top_attach">0</property>
+                      </packing>
+                    </child>
+                  </object>
+                </child>
+              </object>
+              <packing>
+                <property name="left_attach">0</property>
+                <property name="top_attach">1</property>
+                <property name="width">2</property>
+              </packing>
+            </child>
+          </object>
+          <packing>
+            <property name="expand">False</property>
+            <property name="fill">True</property>
+            <property name="position">1</property>
+          </packing>
+        </child>
+      </object>
+    </child>
+    <action-widgets>
+      <action-widget response="0">button1</action-widget>
+    </action-widgets>
+  </object>
+</interface>
-- 
cgit v1.2.1