Quote:
Originally Posted by EricH
Be advised, the TI-89 is on the "No" list for several standardized tests.
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AFAIK, it is only not allowed for the ACT. It is
permitted by the College Board for all calculator active portions of the AP Calc exams, and for
the SATS.
TI-89s are pretty handy even if you need to show work done out by hand, because they can check essentially any calculation. Everyone above is right in that they are often not allowed in freshman classes, simply because you've got to learn how to do it before you're allowed to let computers do it for you!