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PHP Manual
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bcpow

(PHP 3, PHP 4 , PHP 5)

bcpow -- Raise an arbitrary precision number to another

Description

string bcpow ( string x, string y [, int scale] )

Raise x to the power y. The optional scale can be used to set the number of digits after the decimal place in the result.

Example 1. bcpow() example


<?php

echo bcpow(4.2, 3, 2); // 74.08

?>