   #PHP Manual BCMath Arbitrary Precision Mathematics Functions bcpowmod
   bcsqrt

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                                    bcscale

   (PHP 3, PHP 4 )
   bcscale --  Set default scale parameter for all bc math functions

Description

   string bcscale ( int scale)

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

   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
   ?>
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