Other Definitions
vinculum (dict)
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VinculumA vinculum is a horizontal line placed over a mathematical expression, used to indicate that it is to be considered a group. Examples of its use include the case of a group of infinitely repeating digits, for example, -
It is also used in the notation of a radical to indicate the radicand whose root is being indicated. In the case of -
the quantity is the radicand, and thus has a vinculum over it. The vinculum is also sometimes used in Boolean algebra, where it serves to indicate a group of expressions whose logical result is to be NOTed, as in -
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