Description
Calculates the square root of a number.
Syntax
Sqrt ( n )
Return value
Double. Returns the square root of n.
Usage
Sqrt( n ) is the same as n ^.5.
Taking the square root of a negative number causes an execution error.
Examples
This expression returns 1.414213562373095:
Sqrt(2)
This expression results in an error at execution time:
Sqrt(-2)
