package ComplexCalculator is
   -- holds the records and fields for the numbers
   type ComplexNumber is record
      
      Real : Float;
      Imaginary : Float;
   
   end record;
   
   -- Defines the functions for calculations.
   function Add(First, Second : ComplexNumber) return ComplexNumber;
   function Sub(First, Second : ComplexNumber) return ComplexNumber;
   function Multiply(First, Second : ComplexNumber) return ComplexNumber;
   function Divide(First, Second : ComplexNumber) return ComplexNumber;
   
end ComplexCalculator;