bcpow
(PHP 4, PHP 5)
bcpow — Raise an arbitrary precision number to another
Описание
string bcpow
( string $left_operand
, string $right_operand
[, int $scale
] )
Raise left_operand to the power right_operand .
Список параметров
- 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().
Возвращаемые значения
Returns the result as a string.
Примеры
Example#1 bcpow() example
<?php
echo bcpow('4.2', '3', 2); // 74.08
?>