The Casio FX-991EX Classwiz Scientific Calculator in black is a handheld device perfect for students and professionals alike. With regular key size and a similar display, this scientific calculator from Casio offers advanced features such as an LCD display, backlight, and calculus functions. Powered by both solar and battery sources, this sleek calculator is compact and efficient for everyday use. The Casio fx-991EX model is a reliable tool for solving complex equations and calculations with ease.
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