This product is a GENUINE Casio FX-991EX Classwiz Advanced Engineering Calculator, perfect for students and professionals in need of a reliable scientific calculator. With a regular-sized keypad and LCD display, this handheld unit is powered by both solar and battery sources, ensuring you can always rely on it for your calculations. The Casio fx-991EX model offers advanced features like calculus functions, making it a must-have for those needing precision and efficiency in their work or studies.
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