Short version of teacher's notes for symmetry poster. (Note: due to too many file conversions, some of the text and illustrations are not quite right.)
Another poster, this one on making cutout strings of paper dolls.
Designs for a California Math Show logo t-shirt. Vote for your favorite.
Short discussion on slopes of lines and projective geometry, with a Geometer's Sketchpad sketch.
Two 3d viewer java applets. The first, a wireframe viewer, is from Sun. The second was written by Daeron Meyer
Here is my FIRST java applet! It's a mod 12 calculator.
A Geometer's Sketchpad sketch consisting of a letter F which moves and changes size, but is otherwise rigid.
Last modified May 23, 1996.