# bcpow

(PHP 4, PHP 5)

bcpow — Raise an arbitrary precision number to another

### Description

string bcpow ( string `$left_operand` , string `$right_operand` [, int `$scale` ] )

Raise `left_operand` to the power `right_operand` .

### Parameters

`left_operand`

  The left operand, as a string.

`right_operand`

  The right operand, as a string.

`scale`

  This optional parameter is used to set the number of digits after the decimal place in the result. You can also set the global default scale for all functions by using bcscale().

### Return Values

Returns the result as a string.

### Examples

Example#1 bcpow() example

`<?php
echo bcpow('4.2', '3', 2); // 74.08
?>`

### See Also

- bcpowmod()
- bcsqrt()