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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.

Example 1. bcsqrt() example

<?php

echo bcsqrt(2, 3); // 1.414

?>

See also bcpow().

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