public ComplexNumber Subtract(ComplexNumber n1, ComplexNumber n2)
{
//Return the derived type
return(new ComplexNumberWithMagnitude(n1.Real - n2.Real, n1.Imaginary - n2.Imaginary));
}
public ComplexNumber Add(ComplexNumber n1, ComplexNumber n2)
{
//Return the derived type
return(new ComplexNumberWithMagnitude(n1.Real + n2.Real, n1.Imaginary + n2.Imaginary));
}