<doc>

<legacy_id>2412</legacy_id>

<name>exp2</name>

<type>function</type>

<syntax>

<example>the exp2 of <i>number</i></example>

<example>exp2(<i>number</i>)</example>

</syntax>

<library></library>

<objects>

</objects>

<synonyms>

</synonyms>

<classification>

<category>Math, Logic, &amp; Dates</category>

</classification>

<references>

<function tag="exp">exp Function</function>

</references>

<history>

<introduced version="1.0">Added.</introduced>

</history>

<platforms>

<mac/>

<windows/>

<linux/>

<ios/>

<android/>

</platforms>

<classes>

<desktop/>

<server/>

<web/>

<mobile/>

</classes>

<security>

</security>

<summary><glossary tag="return">Returns</glossary> the <glossary tag="binary">binary</glossary> exponential of a number.</summary>

<examples>

<example>exp2(8) <code><i>-- returns 256</i></code></example>

<example>exp2(the screenDepth) <code><i>-- returns number of colors available</i></code></example>

</examples>

<description>

<p>Use the <b>exp2</b> function to obtain a power of 2.</p><p/><p><b>Parameters:</b></p><p>The <i>number</i> is a <glossary tag="real number">real number</glossary>, or an <glossary tag="expression">expression</glossary> that <glossary tag="evaluate">evaluates</glossary> to a number.</p><p/><p><b>Value:</b></p><p>The <b>exp2</b> function <glossary tag="return">returns</glossary> a positive number.</p><p/><p><b>Comments:</b></p><p>The expression<code> exp2(number) </code>is equal to<code> 2^number</code>.</p>

</description>

</doc>