<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" type="guide" id="absolute" xml:lang="zh-HK">
<info>
<link type="guide" xref="index#equation"/>
</info>
<title>絕對值</title>
<p>計算絕對值可以使用「|」符號或是 abs <link xref="function">函數</link>。</p>
<example>
<p>|−1|</p>
<p>abs (−1)</p>
</example>
</page>