FX-991CW Advanced Scientific Calculator

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High Resolution Display to view more data like spreadsheets and 4x4 matrix calculations.Natural Text book display - symbols and numbers appear just as they do in textbook.Numeric Integration/Differentiation. 552 functions.Simultaneous and Polynomial Solver.Solar Powered with Battery Backup (LR44 Button Cell Battery Included).Rounded keys for easier inputs.4-tone display makes operation easier.Intuitive navigation with cursor keys.Works with ClassPad.net



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