not() Function

The not() function returns the logical inverse of the normal outcome of true and false generated by a logical expression.

Syntax

not(logical.exp)

Parameter(s)

logical.exp

Expression to test.

Description

If the expression evaluates to 0, then 1 is returned. If the expression evaluates to any nonzero value, 0 is returned.

Example(s)

If response is not numeric, this prints "not numeric".

if not(num(response)) then print "not numeric"

See Also

= Assignment Operator

Boolean Evaluation

BASIC Functions

if Statement

ifr Statement

mod() Function

ne Relational Operator

null Statement

rem() Function

Statements and Functions

then Clause