The Bifurcation Diagram

Here is an applet that draws the bifurcation diagram for the quadratic family f(x) = m x (1 - x)
you can drag the mouse to zoom in at any time
you can use the Controls button to enter parameters at any time
the applet will finish drawing, even if you leave the page, unless you select new parameters
the image size adjusts to the parameters of the applet tag