Funiter (FUNction ITERation) is developed for educational purposes, generating graphs of several types for iteration of real and complex functions with comfortable switching between related types of graphs.
Parameter menu (step-by-step iteration, x^2+c)
Webdiagram for function "-c*x^3+(c+1)*x^2"
Orbitdiagram for variable c (real)
Orbitdiagram for variable x
Selection of c value on Mandelbrot-set
Step-by-step inverse iteration, circle