absolute value

  1. Noun.  (mathematics) For a real number, its numerical value without regard to its sign; formally, -1 times the number if the number is negative, and the number unmodified if it is zero or positive.
  2. Noun.  (mathematics) For a complex number, the square root of the sum of the squares of its real and imaginary parts.

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