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OverBar[expr]

displays with a bar over expr.

Details
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Examples  
Basic Examples  
Properties & Relations  
Neat Examples  
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OverBar

OverBar[expr]

displays with a bar over expr.

Details

  • OverBar[expr] can be entered using and _.
  • OverBar[expr] remains unchanged by evaluation.
  • The bar extends the full length of expr.

Examples

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Basic Examples  (2)

Wolfram Language code: OverBar[x ^ 2 + y ^ 2]

Type and then _ to enter directly:

Wolfram Language code: Overscript[v, _]

Properties & Relations  (1)

OverBar is effectively a special case of Overscript:

Wolfram Language code: {OverBar[x], Overscript[x, RawBoxes["_"]]}

if the output is used as input, both expressions standardize to OverBar:

Wolfram Language code: {Overscript[x, _], Overscript[x, _]}//InputForm

Neat Examples  (1)

Wolfram Language code: NestList[OverBar, x, 10]
Wolfram Research (2007), OverBar, Wolfram Language function, https://reference.wolfram.com/language/ref/OverBar.html.

Text

Wolfram Research (2007), OverBar, Wolfram Language function, https://reference.wolfram.com/language/ref/OverBar.html.

CMS

Wolfram Language. 2007. "OverBar." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/OverBar.html.

APA

Wolfram Language. (2007). OverBar. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/OverBar.html

BibTeX

@misc{reference.wolfram_2026_overbar, author="Wolfram Research", title="{OverBar}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/OverBar.html}", note=[Accessed: 13-June-2026]}

BibLaTeX

@online{reference.wolfram_2026_overbar, organization={Wolfram Research}, title={OverBar}, year={2007}, url={https://reference.wolfram.com/language/ref/OverBar.html}, note=[Accessed: 13-June-2026]}