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I bought this calculator for an algebra class before I realized my husband owned a TI-83. It does most of the same functions as the TI-83, but it is harder to use, and if your math instructor is teaching you functions using a TI calculator (which most likely they would) then it will do you little good and you will have to figure everything out on your own.Get more detail about Datexx DS-883 889-Function Graphing Scientific Calculator.
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