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Vocabulary: Vinculum

Feb 25, 2020 | Hinsdale

Today's vocabulary word comes to us from MathWorld:

Vinculum: [ving-kyuh-luh] A horizontal line placed above multiple quantities to indicate that they form a unit. It is most commonly used to denote the following:

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).

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