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Casio FX-991EX Black Scientific

The Casio fx-991EX, with a high-resolution LCD screen, allows more information for applications like spreadsheets and 4x4 matrix calculations. This calculator has as comprehensive set of advanced calculations for integration & differential calculus, along with vector and inequality calculations. For the middle and high school grades, the calculator has basic spreadsheet functionality, ratio and statistical functionality, down to ration calculations and prime factorization. Need graphical repr...