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None

is a setting used for certain options.

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None

None

is a setting used for certain options.

Examples

Basic Examples  (4)

For ContourPlot, use None to only show the contour lines:

Plot only mesh lines:

Use None to indicate holes or no content for mesh regions:

Use None to indicate no vertex labels should be used:

Wolfram Research (1988), None, Wolfram Language function, https://reference.wolfram.com/language/ref/None.html.

Text

Wolfram Research (1988), None, Wolfram Language function, https://reference.wolfram.com/language/ref/None.html.

CMS

Wolfram Language. 1988. "None." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/None.html.

APA

Wolfram Language. (1988). None. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/None.html

BibTeX

@misc{reference.wolfram_2025_none, author="Wolfram Research", title="{None}", year="1988", howpublished="\url{https://reference.wolfram.com/language/ref/None.html}", note=[Accessed: 30-August-2025]}

BibLaTeX

@online{reference.wolfram_2025_none, organization={Wolfram Research}, title={None}, year={1988}, url={https://reference.wolfram.com/language/ref/None.html}, note=[Accessed: 30-August-2025]}