<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" type="guide" id="logarithm" lang="en-GB">

    <info>
        <link type="guide" xref="index#equation"/>
    </info>

	<title>Logarithms</title>
    
    <p>Logarithms can be calculated using the log <link xref="function">function</link>.</p>
    <example>
    <p>log 100</p>
    </example>
    <p>To calculate a logarithm in a different base use a <link xref="superscript">subscript number</link> after the function.</p>
    <example>
    <p>log₂ 32</p>
    </example>
    <p>To calculate a natural logarithm use the ln function.</p>
    <example>
    <p>ln 1.32</p>
    </example>
    <p>Euler's number can be entered by using the <link xref="variable">variable</link> e.</p>
    <example>
    <p>e^1.32</p>
    </example>
</page>
