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Vinculum (symbol)

M¯{\displaystyle {\overline { m {M}}}} Roman numeral for 1,000,000AB¯{\displaystyle {\overline { m {AB}}}}line segment from A to B1⁄7 = 0.142857repeated 0.1428571428571428571...a+bi¯{\displaystyle {\overline {a+bi}}}complex conjugateY=AB¯{\displaystyle Y={\overline {AB}}}boolean NOT (A AND B)ab+2n{\displaystyle {\sqrt[{n}]{ab+2}}}radical ab + 2a−b+c¯{\displaystyle a-{\overline {b+c}}} = a − (b + c)bracketing functionVinculum usage A vinculum or constraint (from Latin'fetter, chain, tie') is a horizontal line used in mathematical notation for various purposes.

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