php sqrt() function
Translation results：
[Calculation]= SQuare Root, square root
php sqrt() functionsyntax
Function: The function of sqrt() function is to find the square root of the parameters
Syntax: sqrt(X)
Parameters:
| Parameter | Description |
| X | To find the square root Number |
Description: Returns the result of taking the square root of parameter X
php sqrt() functionexample
<?php $i = 9; $i = sqrt($i); $j = 8; $j = sqrt($j); $k = -5; $k = sqrt($k); echo $i."*****".$j."*****".$k; ?>
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Output:
3*****2.8284271247462*****NAN