# SGN

Revision as of 03:51, 25 September 2009 by imported>Clippy

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

*Syntax:* sign% = SGN(value)

- Returns -1 when a sign is negative.
- Returns 0 when a value is zero.
- Returns 1 when a value is positive.
- Used to hold the original sign of a number.

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

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

*Screen result:* 100

*See also:* ABS