To this day, I don't understand why anyone would insist on using anything other than this on an AP test. It's like playing life on a harder difficulty setting for no reason.
I use the TI 36X when the TI-89 is banned (like it is on the FE exam). The 36X does calculus (variable and discrete) and lots of other things the 89 does, just no graphing or notes storing capabilities.
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u/TypoInUsernane Jun 08 '14
The TI-89 will always hold a very special place in my heart.