php man page for bcscale

BCSCALE(3)								 1								BCSCALE(3)

bcscale - Set default scale parameter for all bc math functions

SYNOPSIS
       bool bcscale (int  $scale)

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

PARAMETERS
	      o $scale
		- The scale factor.

RETURN VALUES
	Returns TRUE on success or FALSE on failure.

EXAMPLES
       Example #1

	      bcscale(3) 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

	      ?>

PHP Documentation Group 														BCSCALE(3)