# bcscale

(PHP 4, PHP 5)

bcscale — Set default scale parameter for all bc math functions

### Description

bool bcscale ( int `$scale` )

Sets the default scale parameter for all subsequent bc math functions that do not explicitly specify a scale parameter.

### Parameters

`scale`

  The scale factor.

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### Examples

Example#1 bcscale() example

`<?php
// default scale : 3
bcscale(3);
echo bcdiv('105', '6.55957'); // 16.007
// this is the same without bcscale()
echo bcdiv('105', '6.55957', 3); // 16.007
?>`