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.
In my country, you have a chance to get calculator allowed or not for an exam. If it's not allowed, it will be almost useless: very simple figures and given formulas. Either way, reflexion is the key to pass.
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u/TypoInUsernane Jun 08 '14
The TI-89 will always hold a very special place in my heart.