Casio FX-991EX Advanced Scientific Calculator, High Resolution Screen, Black

Casio FX-991EX Scientific Calculator has a high-resolution LCD screen which allows more information for applications like Spreadsheets and matrix

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Casio FX-991CW Classwiz Non-Programmable Scientific Calculator. Faster than any previous Casio Non-Programmable Scientific Calculator. Scientific

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CASIO FX-991EX Advanced Engineering/Scientific Calculator (UK Version), Black