This is documentation for Mathematica 5, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)

Documentation / Mathematica / Built-in Functions / Mathematical Functions / Numerical Functions /

Abs

FilledSmallSquare Abs[z] gives the absolute value of the real or complex number z.

FilledSmallSquare For complex numbers , Abs[z] gives the modulus .

FilledSmallSquare Abs[z] is left unevaluated if z is not a numeric quantity.

FilledSmallSquare See Section 1.1.3, Section 1.1.5, Section 3.2.2 and Section 3.2.2.

FilledSmallSquare See also: Re, Im, Arg, Mod, ComplexExpand, Norm.

FilledSmallSquare New in Version 1.

Further Examples