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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 ?>`

See also bcpowmod(), and bcsqrt().

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