This is documentation for Mathematica 5, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)

Documentation / Mathematica / Built-in Functions / Programming / Tests /

NonPositive

FilledSmallSquare NonPositive[x] gives True if x is a non-positive number.

FilledSmallSquare See notes for NonNegative.

FilledSmallSquare New in Version 3.

Further Examples