The Casio FX-991EX Classwiz Advanced Engineering Scientific Calculator is a handheld device with a regular-sized display and keys. It is powered by both solar and battery sources, making it convenient for use in various settings. With 552 functions, it offers advanced capabilities for engineering and scientific calculations, featuring an LCD display, backlight, and calculus functions. The Casio FX-991EX is a reliable and efficient tool for students, professionals, and anyone in need of precise mathematical calculations.
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