QBasic 1.1: SGN Function

Explanation

ABS, SGN Functions

ABS returns the absolute value of a number SGN returns a value indicating the sign of a numeric expression (1 if the expression is positive, 0 if it is zero, or -1 if it is negative).

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Syntax

ABS(numeric-expression)

SGN(numeric-expression)

Description / Parameter(s)

numeric-expression

Any numeric expression.

Example


PRINT ABS(45.5 - 100!)           'Output is:  54.5
PRINT SGN(12), SGN(-31), SGN(0)  'Output is:  1  -1  0