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Amazon.com : Casio fx-300ES PLUS Scientific Calculator; SAT Compatible; Natural Textbook Display; Math, Trigonometry, Statistics, Algebra, Geometry and Physics Functions; Comes with Slide-on Hard Case; Black : Office Products
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Amazon.com: CASIO SCHULRECHNER Modell FX 5800 P, BATTERIEBETRIEB, Black : Casio: Office Products