OverDot

OverDot[expr]

displays with a dot over expr.

OverDot[expr,n]

prints with n dots.

Details

  • OverDot[expr] can be entered using and a period.
  • OverDot[expr] remains unchanged by evaluation.
  • Allowed values for the number n of dots are 1, 2 and 3.
  • OverDot[expr,2] can be entered using and \[DoubleDot], while OverDot[expr,3] can be entered using and \[TripleDot].

Examples

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Basic Examples  (2)

Display v with a dot above:

Type and then . to enter directly:

Scope  (5)

OverDot[expr] and OverDot[expr,1] both display with a single dot:

Display v with two dots above:

Type and then \[DoubleDot] to enter directly:

Display v with three dots above:

Type and then \[TripleDot] to enter directly:

Properties & Relations  (2)

OverDot is effectively a special case of Overscript:

If the output is used as input, both expressions standardize to OverDot:

OverDot[expr,2] uses \[DoubleDot]:

OverDot[expr,3] uses \[TripleDot]:

Possible Issues  (1)

OverDot[expr] and OverDot[expr,1] produce identical box expressions in formatting:

However, they are not equivalent expressions:

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

Text

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

CMS

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

APA

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

BibTeX

@misc{reference.wolfram_2025_overdot, author="Wolfram Research", title="{OverDot}", year="2007", howpublished="\url{https://reference.wolfram.com/language/ref/OverDot.html}", note=[Accessed: 09-May-2025 ]}

BibLaTeX

@online{reference.wolfram_2025_overdot, organization={Wolfram Research}, title={OverDot}, year={2007}, url={https://reference.wolfram.com/language/ref/OverDot.html}, note=[Accessed: 09-May-2025 ]}