# SGN

Revision as of 04:46, 14 August 2012 by imported>Clippy

The **SGN** function returns the sign of a number value.

## Syntax

- sign% = SGN(value)

- Returns -1 when a sign is negative, 0 when a value is zero or 1 when a value is positive.
- Used to hold the original sign of a number.
**QB64**allows programs to return only _UNSIGNED variable values using a _DEFINE statement.

*Example:* Checking and changing negative values to positive ones.

n = -100
IF SGN(n) = -1 THEN n = ABS(n)
PRINT n * *

100

*See also:*

*Navigation:*