Special Keys on the TI-89 Graphing Calculator

By C. C. Edwards

Part of TI-89 Graphing Calculator For Dummies Cheat Sheet

The TI-89 graphing calculator has so many functions, you may have trouble locating them all. But if you’re looking for theta or infinity (and who isn’t, right?), look no further than the following list, which shows you where to find those and some other more common functions: