The Casio FX-991EX Classwiz Scientific Calculator in black is a handheld device with 552 functions, making it a versatile tool for various mathematical calculations. This calculator features a regular key size, LCD display, and backlight for easy use. Powered by solar energy or batteries, it is ideal for students, professionals, and anyone in need of precise calculations on the go. The Casio fx-991EX model is known for its reliability and efficiency in solving complex equations with its calculus capabilities.
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