The Casio Fx-991ex Classwiz Advanced Engineering Scientific Calculator is a high-functioning handheld device perfect for engineering and scientific calculations. With a regular key size and LCD display, this calculator offers 552 functions including calculus capabilities. Powered by solar or battery, it features a backlight for clear visibility and comes in a pack of 15 units. The Casio fx-991EX model is a reliable choice for students, professionals, and anyone in need of precise mathematical calculations.
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