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Vinculum


A horizontal line placed above multiple quantities to indicate that they form a unit. It is most commonly used to denote

1. A radical (sqrt(12345)),

2. Repeating decimals (0.111^_),

3. The line segment AB^_ joining two points A and B,

4. The complex conjugate z_1+z_2^_, or

5 Negation of a logical expression, A ^ B^_=!(A ^ B).


See also

Bar, Long Division Symbol, Macron, Radical, Solidus

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References

Bringhurst, R. The Elements of Typographic Style, 2nd ed. Point Roberts, WA: Hartley and Marks, p. 286, 1997.

Referenced on Wolfram|Alpha

Vinculum

Cite this as:

Weisstein, Eric W. "Vinculum." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Vinculum.html

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