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Legacy Documentation

The Mathematical Explorer^TM (2001)

This is documentation for an obsolete product.

Im Im[ z ] gives the imaginary part of the complex number z. Im[ expr ] is left unevaluated if expr is not a numeric quantity. See The Mathematica Book on the web:Section 1.1.5 and Section 3.2.2. See also: Re, Abs, Arg, ComplexExpand. Further Examples