Sqrt

Calculates the square root of a number.

Sqrt ( n )

Argument	Description
n	The number for which you want the square root

Double. Returns the square root of n. If n is null, Sqrt returns null.

Sqrt(n) is the same as n^.5. Taking the square root of a negative number causes an execution error.

This statement returns 1.414213562373095:

Sqrt(2)

This statement results in an error at execution time:

Sqrt(-2)