bcsqrt

bcsqrt

Get the square root of an arbitrary precision number

string **bcsqrt** string $num  $scale

Return the square root of . num

numThe operand, as a well-formed BCMath numeric string.

Returns the square root as a well-formed BCMath numeric string.

This function throws a in the following cases:

ValueError``num``num``0``scale

Voorbeeld: example

<?php

echo bcsqrt('2', 3); // 1.414

?>

bcpow``BcMath\Number::sqrt