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bcsub bcscale

Last updated: Sat, 27 Jan 2007

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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.

## Примеры

Пример 1. bcsqrt() example

`<?php echo bcsqrt('2', 3); // 1.414 ?>`

## Смотрите также

bcpow().

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bcsub bcscale

Last updated: Sat, 27 Jan 2007
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