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### Im

#### Synopsis

         function Im (z: Complex): Real;

#### Description

`Im` extracts the imaginary part of the complex number `z`. The result is a real value.

#### Conforming to

`Im` is an ISO 10206 Extended Pascal extension.

#### Example

         program ImDemo;
         var
           z: Complex;
         begin
           z := Cmplx (1, 2);  { 1 + i * 2 }
           WriteLn (Im (z) : 0 : 5)  { 2.00000 }
         end.

#### See also

Cmplx, Re, Arg.