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back to the calculators... i am looking to get a TI but am not sure which one to get. which one would be of the most use to me both now and for the next 4 years (i will be a freshman in engineering and will be taking chem, physics, linear algebra, and vector geometry this semester). i know you said you can't use the 89 in engineering math classes; but can you use an 83 or 84?
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