Sqrt

Description

Calculates the square root of a number.

Syntax

Sqrt ( n )

Argument

Description

n

The number for which you want the square root


Return value

Double.

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

Usage

Sqrt

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

Examples

This statement returns 1.414213562373095:

Sqrt(2)

This statement results in an error at execution time:

Sqrt(-2)

See also

Sqrt method for DataWindows in the section called “Sqrt” in DataWindow Reference.