The Casio fx-991CW ClassWiz Scientific Calculator is a handheld device equipped with regular-sized keys and a regular-sized LCD display. It is powered by both solar energy and battery, making it convenient for use in various settings. This model is known for its ability to perform complex calculations and has features such as a backlight and calculus functions, making it a reliable tool for business and industrial applications. Made in Thailand, this scientific calculator from Casio is a tested and working product that offers efficiency and accuracy in solving mathematical problems.
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