Casio
Casio FX-87DE X Scientific Calculator
The Casio FX-87DE X is a powerful scientific calculator with a natural display, showing fractions, square roots, and other mathematical expressions just like in your textbook. It features a high-resolution LC screen (193 x 63 pixels) with four times the resolution of previous FX-DE Plus models. With 593 functions, dual memory, and solar-plus battery backup, this calculator is suitable for educational settings from middle school to university level.
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Updated on May 18, 2026
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