Includes lessons and practice problems. Download a copy or subscribe to a mailing list. CrystalMaker A Macintosh program to display and manipulate all kinds of crystal structures. Using the free companion program, CrystalDiffract, CrystalMaker files can be used to generate x-ray and neutron powder diffraction patterns. Alejandre A Math Forum Web Unit.
Students studying polyhedra enjoy seeing the structures as they occur in the real world.
Site also includes a Java-based web chatroom. An online version of an exhibit focused on the emergence of patterns in Nature from physical and biological processes that appear to be chaotic. The Center for Discrete Mathematics and Theoretical Computer Science, an NSF Science and Technology Center. When computer scientists look at DNA, they see information storage and processing. They view the four bases of DNA as something akin to the zeros and ones of the binary code by which computers store and process information.