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文件: /usr/share/help/oc/gnome-calculator/equation.page
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<?xml version="1.0" encoding="utf-8"?> <page xmlns="http://projectmallard.org/1.0/" type="guide" id="equation" xml:lang="oc"> <info> <!-- Place this at the start of the section --> <title type="sort">0</title> <link type="guide" xref="index#equation"/> </info> <title>Basic Equations</title> <p> Equations are entered in standard mathematical form. For example to add 7 and 2 enter the following: </p> <example> <p> 7+2 </p> </example> <p> To solve, press the <gui>=</gui> button with your mouse or the <key>Enter</key> key on your keyboard. </p> <p> Calculations are performed in mathematical order - multiplication and division are performed before addition and subtraction. The following equation solves to 1 (3×2 = 6, 7−6 = 1). </p> <example> <p> 7−3×2 </p> </example> <p> To change the order of calculation use parenthesis. The following equation solves to 8 (7−3 = 4, 4×2 = 8). </p> <example> <p> (7−3)×2 </p> </example> <p> To clear the display press the <gui>Clr</gui> button or <key>Escape</key>. </p> </page>
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