I was a biochem major in college, so I took a lot of math and science classes. I only had one or two classes that didn’t allow any graphing calculators (I think Nutrition was one of them) but in general graphing calculators were what everyone used.

TI-89 is indeed the best, but it is very expensive. I have gotten by just fine with a T!-83 plus, and I don’t see how anyone but a math professional would NEED a TI-89 over a TI-83. By the way, forget about storing formulas and notes, formulas are almost always given to you on the test, and it’s better to study and actually learn how to solve the problems then to take the time to put notes in your calculator.

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