PHP BC High Accuracy function library

<?php *************************************************************************************** *php BC High accuracy function Library * php BC Math contains: Add, compare, divide, subtract, balance, multiply, n-squared, configure default decimal number, squared * These functions are useful when it comes to the calculation of money ***************************************** *********************************************** **************************************************************** * Two high-precision number comparison * encountered in the work of a situation, 0.00!  = 0 *int Bccomp (string $left _operand, String $right _operand [, int $scale]) * $left = $right returns 0 * $left < $right return-1 * $left > $right returns 1 * $scale the number of decimal places ******************************************************************************* $a = 4.45; $b = 5.54;if (Bccomp ($a, $b, 2) = = 0) {} ************************************************************* * Two high-precision numbers added *string bcadd (String $left _operand, String $right _operand [, int $scale]) * $scal E returns the number of decimal points *************************************************************************************** $a = 1.0321456;$ b = 0.01234$c = Bcadd ($a, $b, 2);//var_dump ($c); * Two high-precision number subtraction *sstring bcsub ( String $left _operand, String $right _operand [, int $scale]) * $scale the number of decimal points returned ****************************************** $a = 1.0321456; $b = 3.0123456; $c = bcsub ($a, $b, 2); Var_dump ($c); * Two high-precision numbers for remainder/modulus *string bcmod (String $left _operand, String $ modulus) ******************************************************* $a = 6; $b = 4; $c = Bcmod ($a, $b);//var_dump ($c); * Two high-precision numbers divide *string bcdiv ( String $left _operand, String $right _operand [, int $scale]) * $scale The default number of decimal places is 0 ***************************************** $a = 6; $b = 5; $c = Bcdiv ($a, $b, 3); Var_dump ($c); ****************************************** Two high-precision numbers multiply *string bcmul (String $left _operand, String $right _operand [, int $scale]) * $scale The default number of decimal places is 0 *********************************************************************************** $a = 3.1415926; $b = 2.4569874566; $c = Bcmul ($a, $b, 6);//var_dump ($c); * Two high-precision number of the second square value *string Bcpow (String $left _operand, String $right _operand [, int $scale]) * $scale The default number of decimal places is 0 *************************************** $a = 3.1415926; $b = 2; $c = Bcpow ($a, $b, 3);//var_dump ($c); * The square root of the *string bcsqrt (string $operand [, int $scale]) * $scale decimal number The number of points by default is 0 *************************************************** $b = bcsqrt ($a, 6);//var_dump ($b); * Set the number of decimal places for the BC function *bool bcscale (int $scale) * $scale The default number of decimal places is 0 **************************** **//bcsCale ();?  >

PHP BC High Accuracy function library