The Casio FX-991EX Classwiz Advanced Engineering Scientific Calculator is a handheld device with regular-sized keys and a regular-sized LCD display, featuring a backlight for easy visibility. This reliable calculator from Casio, known for its quality and durability, is powered by both solar and battery sources. Equipped with advanced calculus features and a range of scientific functions, this genuine product is ideal for students, professionals, and engineers looking for a versatile and precise tool for problem-solving and calculations. The calculator is in great condition. Please check out my other items for sale
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