TI-89 Math Files
(click here for some screen shots of the prgm.)
One of the best math prgms for the 89 if your in algebra this program is a must.
(coded by Adam Franks <firstname.lastname@example.org> & J. Boylan <JBoylan@Technologist.com>)
(click here for a screen shot of the prgm.)
Another great program for geometry, and algebra (coded by John David Ratliff <email@example.com>)