This is a prototype of JavaSketchpad, a World-Wide-Web component of The Geometer's Sketchpad. Copyright ©1990-1998 by Key Curriculum Press, Inc. All rights reserved. Portions of this work were funded by the National Science Foundation (awards DMI 9561674 & 9623018).
Trace of a Hypocycloid
Developed by the Eli Bridge Company
With assistance from
John Leefers, Projects Engineer
Point E animates around c1 quickly. Point D is attempting to animate around a c3 normally which is completely independent of the construction. c3 is at a ratio of 2.1 to c1.