What we are going to see through this article is Find The Square Root Of A Number In PHP. If a number is multiplied by itself (n * n), the final number will be the square of that number, and finding the square root of a number is the reverse function of classifying the number. If x is the square root of y, it can be expressed as:
r = n^(1/2)
r = root
n = number
Find the Square Root of a Number in PHP
This is an example program to find the square root of a number in PHP program here.
<?php echo(sqrt(2) . "<br>"); echo(sqrt(25) . "<br>"); echo(sqrt(100) . "<br>"); echo(sqrt(0.169) . "<br>"); echo(sqrt(-16)); ?>
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sqrt(2) = 1.4142135623731 sqrt(25) = 5 sqrt(100) = 10 sqrt(0.169) = 0.41109609582189 sqrt(-16) = NAN
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