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+<page xmlns="http://projectmallard.org/1.0/"
+      type="guide"
+      id="scientific">
+
+    <info>
+        <link type="guide" xref="index#number"/>
+    </info>
+
+	<title>Scientific Notation</title>
+    
+    <p>
+    To enter numbers in scientific format use the <gui>×10x</gui> button (<keyseq><key>Ctrl</key><key>E</key></keyseq>).
+    The <link xref="superscript">number mode</link> automatically changes to superscript.
+    To enter 2×10¹⁰⁰, start by entering the mantissa (2):
+    </p>
+    <example>
+    <p>
+    2
+    </p>
+    </example>
+    <p>
+    Then press the scientific notation button (or press <keyseq><key>Ctrl</key><key>E</key></keyseq>):
+    </p>
+    <example>
+    <p>
+    2×10
+    </p>
+    </example>
+    <p>
+    Then enter the exponent (100):
+    </p>
+    <example>
+    <p>
+    2×10¹⁰⁰
+    </p>
+    </example>
+    <p>
+    To show results in scientific form change the <link xref="number-display">result format</link>.
+    </p>
+</page>