"Regressions" is a simple regression program I wrote for the TI-89 which, 
given two sets of data, (x-data) and (y-data), will automatically graph the 
data plots, let you choose a regression type from a pop-up menu, calculate 
the regression type, graph it and show you the "stat vars" screen and the 
regression equation.

Eric P. Esterle
eesterle@preferred.com
http://pages.preferred.com/~pesterle/ericframes.htm 