The Genuine Casio Fx-991EX Classwiz Advanced Engineering Calculator is a handheld scientific calculator with a regular-sized display and keys. It is powered by solar energy and has a battery backup for added convenience. This model from Casio features an LCD display, backlight, and calculus functions, making it a reliable tool for engineering and mathematical calculations. Made in Thailand, this calculator comes with a protective cover for easy storage and transportation.
eBay