The Casio FX-991EX Classwiz Scientific Calculator in black is a handheld device with regular key size and LCD display. It features calculus functions, a backlight for easy viewing, and is powered by both solar and battery sources. This calculator is part of the Casio fx-991EX model range, known for its reliability and performance in scientific calculations, making it a valuable tool for students, professionals, and anyone in need of precise mathematical computations.
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