bcsqrt

(PHP 3, PHP 4 , PHP 5)

bcsqrt -- Get the square root of an arbitrary precision number

Description

string bcsqrt ( string operand [, int scale])

Return the square root of the operand. The optional scale parameter sets the number of digits after the decimal place in the result.

Пример 1. bcsqrt() example

<?php

echo bcsqrt(2, 3); // 1.414

?>

Смотрите также bcpow().