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UnderBar[expr]

displays with a bar under expr.

Details
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Examples  
Basic Examples  
Properties & Relations  
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UnderBar

UnderBar[expr]

displays with a bar under expr.

Details

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

Examples

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Basic Examples  (2)

Type and then to enter directly:

Properties & Relations  (1)

UnderBar is effectively a special case of Underscript:

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

Wolfram Research (2007), UnderBar, Wolfram Language function, https://reference.wolfram.com/language/ref/UnderBar.html (updated 2020).

Text

Wolfram Research (2007), UnderBar, Wolfram Language function, https://reference.wolfram.com/language/ref/UnderBar.html (updated 2020).

CMS

Wolfram Language. 2007. "UnderBar." Wolfram Language & System Documentation Center. Wolfram Research. Last Modified 2020. https://reference.wolfram.com/language/ref/UnderBar.html.

APA

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

BibTeX

@misc{reference.wolfram_2025_underbar, author="Wolfram Research", title="{UnderBar}", year="2020", howpublished="\url{https://reference.wolfram.com/language/ref/UnderBar.html}", note=[Accessed: 11-August-2025]}

BibLaTeX

@online{reference.wolfram_2025_underbar, organization={Wolfram Research}, title={UnderBar}, year={2020}, url={https://reference.wolfram.com/language/ref/UnderBar.html}, note=[Accessed: 11-August-2025]}