bcsqrt
(PHP 4, PHP 5)
bcsqrt — Get the square root of an arbitrary precision number
Beskrivelse
string bcsqrt
( string
$operand
[, int $scale
] )
Return the square root of the operand.
Parametre
-
operand -
The 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().
Returnerings Værdier
Returns the square root as a string, or NULL if
operand is negative.
Eksempler
Eksempel #1 bcsqrt() example
<?php
echo bcsqrt('2', 3); // 1.414
?>
add a note
User Contributed Notes
There are no user contributed notes for this page.
