The Casio FX-991EX Classwiz Advanced Engineering Scientific Calculator is a handheld unit designed for scientific and engineering calculations. With a regular display size and key size, this calculator features LCD display, backlight, and calculus functions. It is powered by solar and battery, making it convenient for use in various settings. This model, made by Casio in Japan, is a reliable tool for professionals and students in the field of engineering and mathematical calculations.
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