Casio Fx-991EX Scientific Calculator

The 991EX Scientific Calculator is the most powerful scientific calculator on the market today. It has 552 functions, including statistics and probability, financial, physical constants and conversions. You can even graph your data with this device! And it’s solar-powered so you don’t have to worry

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With a high-resolution LCD screen, the fx-991EX allows for more information to be displayed for applications like spreadsheets and 4x4 matrix

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