Perl | sqrt() Function
Many times it happens that while solving mathematical expressions we require to calculate the square root of a number.
To solve this issue, like other programming language Perl provides us with a built-in function sqrt() which can be used to calculate the square root of a number.
Syntax: sqrt value
Returns: square root of the value passed
Note: sqrt() can only calculate square root of positive values.
Squareroot of 64 is: 8
Squareroot of 16 is: 4