Table of Contents

Sign(number)

Category: Number function


Description

This function determines whether number is positive, negative, or zero. If positive the value 1 is returned. If negative, the value -1 is returned. If number is 0, then 0 is returned.


Arguments

ArgumentTypeDescription
numberNumberThe value being tested as positive, negative or zero.


Return value type: Number (1, -1, or 0)


Remarks

An expression that results in a numeric answer can be used as the number argument. In this case, the result of the expression is tested.


Examples

sign(27) //Returns 1
sign(-42) //Returns -1
sign(0) //Returns 0
sign(14*-3) //Returns -1
sign(88 * 0) //Returns 0
sign(12 * 3) //Returns 1