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:
Wolfram Research (1996), NonPositive, Wolfram Language function, https://reference.wolfram.com/language/ref/NonPositive.html.
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