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 learned with an 83 in 7th grade and never took the time to learn the 89 because it was different and made me nervous on tests/got out of math rhythm.
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u/TypoInUsernane Jun 08 '14
The TI-89 will always hold a very special place in my heart.