The Casio Fx-991EX Classwiz Advanced Engineering Scientific Calculator is a handheld device with a regular-sized keypad and display. It features 552 functions, making it ideal for engineering and scientific calculations. The calculator is powered by both solar and battery energy sources, ensuring continuous usage. With an LCD display, backlight, and calculus functions, this Casio model is a reliable tool for solving complex equations and problems in various academic and professional settings.
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