Ellipse: n equal arcs
SPECIFY: an ellipse, an integer n ≥ 2, and a point Z on that ellipse.
Change the ellipse by moving its foci (F, F') or the point E on its perimeter.
Change n and Z by using the sliders.
ACTION: Divide the ellipse into n arcs of equal length, starting at point Z.
METHOD: Full details may be found in the "On Click" script of the DIVIDE button.