SGN

Returns the arithmetic sign of an expression.

SGN (numeric-expression)

Usage:

Xsgn=SGN(X)

Discriminate=SGN(B*B-4*A*C)

Example: SGN.BAS

Description:

SGN returns a value of 1 if the numeric expression is positive, a value of -1 if it is negative and 0 if it is zero.

See Also:

ABS, FRACT, INT, MAXREAL, MINREAL, MOD, MODULO