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absolute value

absolute value magnitude of a number or other mathematical expression disregarding its sign; thus, the absolute value is positive, whether the original expression is positive or negative. In symbols, if &124; a &124; denotes the absolute value of a number a, then &124; a &124; = a for a > 0 and &124; a &124; = - a for a < 0. For example, &124;7&124;= 7 since 7 > 0 and &124;-7&124; = -(-7), or &124;-7&124; = 7, since -7 < 0.

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absolute value

A Dictionary of Computing | 2004 | | Â© A Dictionary of Computing 2004, originally published by Oxford University Press 2004. (Hide copyright information) Copyright

absolute value The magnitude of a number, regardless of its sign (positive or negative). For example, 25 is the absolute value of 25 and –25. Most spreadsheet programs include a function that returns the absolute value of a number.

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JOHN DAINTITH. "absolute value." A Dictionary of Computing. 2004. Encyclopedia.com. 19 Dec. 2009 <http://www.encyclopedia.com>.

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