Sqrt

Description

Calculates the square root of a number.

Syntax

Sqrt ( n )

Argument

Description

n

The number for which you want the square root

Returns

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

Example 1

This statement returns 1.414213562373095:

Sqrt(2)

Example 2

This statement results in an error at execution time:

Sqrt(-2)

See also