This program maps complex input plane Z to output plane W. The particular function can be set by setting u to be real part of the
function and v be the imaginary part of the function.
For example is f(z) = z^2 implies Re(f(z)) = x^2 - y^2 and Im(f(z)) = 2xy , set u = x^2 - y^2 and v = 2xy