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### Re

#### Synopsis

         function Re (z: Complex): Real;

#### Description

`Re` extracts the real part of the complex number `z`.

#### Conforming to

`Re` is an ISO 10206 Extended Pascal extension.

#### Example

         program ReDemo;
         var
           z: Complex;
         begin
           z := Cmplx (1, 2);
           WriteLn (Re (z) : 0 : 5)
         end.

#### See also

Cmplx, Im, Arg