$RxpR: Difference between revisions
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<span class="pageSubtitle">Real base raised to real exponent</span> | <span class="pageSubtitle">Real base raised to real exponent</span> | ||
<p class="warn"><b>Note: </b> | <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 $RxpR | methods. There is currently no direct OO equivalent for the <var>$RxpR</var> function.</p> | ||
</p> | |||
The <var>$RxpR</var> function returns the value of its first | The <var>$RxpR</var> function returns the value of its first argument raised to the power of its second argument. | ||
argument raised to the power of its second argument. | |||
==Syntax== | ==Syntax== | ||
<p class="syntax"><span class="term">%num</span><span class="literal"> = $RxpR(</span><span class="term">x</span><span class="literal">)</span> </p> | <p class="syntax"><span class="term">%num</span><span class="literal"> = $RxpR(</span><span class="term">x</span><span class="literal">,</span> <span class="term">y</span><span class="literal">)</span> </p> | ||
==Usage notes== | ==Usage notes== | ||
| Line 19: | Line 15: | ||
<li>''x'' is less than zero. | <li>''x'' is less than zero. | ||
<li>''x'' equals 0, and ''y'' is less than or equal to 0. | <li>''x'' equals 0, and ''y'' is less than or equal to 0. | ||
</ul> | </ul></li> | ||
<li> | <li>If the result of the <var>$RxpR</var> call exceeds 7.237 x 10<sup>75</sup>, then an arithmetic overflow occurs, and <var>$RxpR</var> returns the value 0. </li> | ||
</ul> | </ul> | ||
| Line 31: | Line 27: | ||
$rxpr(256, .25) = 4 | $rxpr(256, .25) = 4 | ||
</p> | </p> | ||
[[Category: Mathematical $functions]] | |||
Latest revision as of 17:08, 2 January 2018
Real base raised to real exponent
Note: Many $functions have been deprecated in favor of Object Oriented methods. There is currently no direct OO equivalent for the $RxpR function.
The $RxpR function returns the value of its first argument raised to the power of its second argument.
Syntax
%num = $RxpR(x, y)
Usage notes
- If either of the following is true,
an error message is printed and a 0 is returned:
- x is less than zero.
- x equals 0, and y is less than or equal to 0.
- If the result of the $RxpR call exceeds 7.237 x 1075, then an arithmetic overflow occurs, and $RxpR returns the value 0.
Examples
$rxpr(9, 2) = 92 = 81 $rxpr(64, .5) = 8 $rxpr(256, .25) = 4