mantissa

  1. Noun.  (obsolete) A minor addition to a text.
  2. Noun.  (mathematics) The part of a common logarithm after the decimal point.
  3. Noun.  (''mathematics'' and ''computing'') The significand; that part of a floating-point number that contains its significant digits.

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This entry was last updated on RefTopia from its source on 3/20/2012.