# Reference/abs

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Revision as of 04:51, 20 September 2009 by Chris Burke (Talk | contribs)

## abs (absolute value function)

The abs function computes the absolute value of its argument. Null is returned if the argument is null.

## Syntax

q)r:abs X

## Example

q)abs -1.0 1f q)abs 10 -43 0N 10 43 0N

For a complete list of functions, see the kdb+ Function Reference.