Search Loci: Convergence:
I don't believe in mathematics.
Quoted by Carl Seelig. Albert Einstein.
An Investigation of Historical Geometric Constructions
Construction of the Quadratrix III
You will also want to construct a movement button to “reset” the sketch. In order to do this select the following points in order E, B, C' and C, then Action Buttons, then Movement under the Edit menu (see Figures 8 and 9).
Figure 8: Constructing a Movement Button to "Reset" Your Sketch
Figure 9: Properties of the Movement Button
Click on the movement button to reset the sketch, press the Esc button twice to erase any traces in your sketch window, and click on the Animation button to activate the animation. Click here to see the animation. The locus of point F is called the “Quadratrix of Hippias”.