View source for $RxpI

<span class="pageSubtitle">Real base raised to integer exponent</span>
<p class="warn"><b>Note:</b> Many $functions have been deprecated in favor of Object Oriented
methods. There is currently no direct OO equivalent for the <var>$RxpI</var> function.</p>

The <var>$RxpI</var> function returns the value of its first argument raised to the power of its second argument.
The second argument is initially rounded to the nearest integral value.

==Syntax==
<p class="syntax"><span class="term">%num</span><span class="literal"> = $RxpI(</span><span class="term">x</span>, <span class="term">y</span><span class="literal">)</span>  </p>

==Usage notes==
<ul>
<li>Omitted arguments are set to 0. </li>

<li>If <var class="term">x</var> equals 0, and |<var class="term">y</var>| is less than or equal to 0, an error message is printed and the request is cancelled. </li>

<li>If the result exceeds 7.237 x 10<sup>75</sup>, an arithmetic overflow occurs, and <var>$RxpI</var> returns the value 0.</li>
</ul>

==Examples==
<p class="code">$rxpi(2, 3) = 2<sup>3</sup> = 8

$rxpi(.5, 1.4) = $rxpi(.5, 1) = .5
</p>

[[Category: Mathematical $functions]]