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Negative[x]

gives True if x is a negative number.

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Negative

Negative[x]

gives True if x is a negative number.

Details

  • Negative[x] gives False if x is manifestly a non‐negative or complex numerical quantity. Otherwise, it remains unevaluated.

Examples

Basic Examples  (1)

Evaluate different types of numbers:

Wolfram Language code: Negative[{1.6, 3 / 4, Pi, 0, -5, 1 + I, Sin[10 ^ 5]}]

Quantities that are not NumericQ remain unevaluated:

Wolfram Language code: Negative[{x, Sin[y]}]
Wolfram Research (1988), Negative, Wolfram Language function, https://reference.wolfram.com/language/ref/Negative.html.

Text

Wolfram Research (1988), Negative, Wolfram Language function, https://reference.wolfram.com/language/ref/Negative.html.

CMS

Wolfram Language. 1988. "Negative." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/Negative.html.

APA

Wolfram Language. (1988). Negative. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/Negative.html

BibTeX

@misc{reference.wolfram_2026_negative, author="Wolfram Research", title="{Negative}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/Negative.html}", note=[Accessed: 10-June-2026]}

BibLaTeX

@online{reference.wolfram_2026_negative, organization={Wolfram Research}, title={Negative}, year={1988}, url={https://reference.wolfram.com/language/ref/Negative.html}, note=[Accessed: 10-June-2026]}