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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.

例子 1. bcpow() example


<?php



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



?>

bcpowmod() 和 bcsqrt().

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Last updated: Thu Jul 7 19:13:47 2005 CST