The GENUINE Casio Fx-991EX Classwiz Advanced Engineering Calculator is a handheld scientific calculator by Casio. It features regular key size, LCD display, backlight, and calculus functions. Powered by solar and battery, this black calculator weighs 198g. With its advanced capabilities, it is a reliable tool for engineering and mathematical tasks in various industries. The model Casio fx-991EX is known for its durability and accuracy, making it a popular choice among professionals and students alike.
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