Kepler Applet
 kepler088view, link (88.5 KB, 900710) source (1.3 MB)Wed, 6 Aug 08, 11:04am CDT 
 

Squashed a tiny bug (angle between vectors not defined in certain situations).

 
Ellipse Demo
 ellipseDemo005view, link (11.4 KB, 400220) source (64 KB)Tue, 27 Feb 07, 2:12pm CST 
 ellipseDemo004view, link (10.2 KB, 400220) source (80 KB)Thu, 24 Mar 05, 9:44am CST