The TI-89 is such a breeze to use and packed with so many extras it almost makes you want to sit through a two-hour math class. Almost. Texas Instruments TI-89 Titanium Graphing Calculator ...

The TI-89 is a graphing calculator used in advanced mathematics classes and approved for use on examinations like the Scholastic Aptitude Test and various Advanced Placement tests. While its large ...

Unemployed CS major with tight budget looking for TI 89 Graphing Calculator for calculus.Also selling:Alcatel SpeedTouch USB DSL Modem - $15 shipped.References on eBay under hethatknows03[This ...

Sometimes, expensive calculators hit the floor. It’s happened to almost anyone with a graphing calculator from TI or HP. Sadly, they don’t always bounce. After this happened to [Howard … ...

The TI-89, which became available in 1998, let you solve equations with your calculator (just like the TI-92, but you were more likely to be able to use it on tests). It was awesome and a major ...

Graphing Calculator Plus (X84) ... You pop the ROM in and use your phone like a TI-89 calculator. That’s about all it does, so it’s a good thing it does it pretty well.

For the AP Calculus class, a graphing calculator was required, so my parents sprung the (I believe) $89.99 for a TI-82 in 1996 (it is amazingly $116 on Amazon right now).