NonPositive[x]
gives True if x is a non‐positive number.
NonPositive
NonPositive[x]
gives True if x is a non‐positive number.
Examples
Basic Examples (1)
Evaluate different types of numbers:
Quantities that are not NumericQ remain unevaluated:
See Also
Positive Negative NonNegative RealSign Less Simplify Assumptions
Related Guides
History
Introduced in 1996 (3.0)
Text
Wolfram Research (1996), NonPositive, Wolfram Language function, https://reference.wolfram.com/language/ref/NonPositive.html.
CMS
Wolfram Language. 1996. "NonPositive." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/NonPositive.html.
APA
Wolfram Language. (1996). NonPositive. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/NonPositive.html
BibTeX
@misc{reference.wolfram_2025_nonpositive, author="Wolfram Research", title="{NonPositive}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/NonPositive.html}", note=[Accessed: 28-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_nonpositive, organization={Wolfram Research}, title={NonPositive}, year={1996}, url={https://reference.wolfram.com/language/ref/NonPositive.html}, note=[Accessed: 28-August-2025]}