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<page xmlns="http://projectmallard.org/1.0/" type="guide" id="equation" xml:lang="bg">
<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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