# SIGN

Determines the sign of a number, the result of a calculation, or a value in a column. The function returns 1 if the number is positive, 0 (zero) if the number is zero, or -1 if the number is negative.

## Syntax

SIGN(<number>)


### Parameters

Term Definition
number Any real number, a column that contains numbers, or an expression that evaluates to a number.

## Return value

A whole number. The possible Return values are 1, 0, and -1.

Return value Description
1 The number is positive
0 The number is zero
-1 The number is negative

## Example

The following formula returns the sign of the result of the expression that calculates sale price minus cost.

= SIGN( ([Sale Price] - [Cost]) )