The Casio FX-991EX Classwiz Scientific Calculator is a handheld device designed for school and office use in the UK. It features a regular-sized LCD display, solar and battery power sources, and a variety of functions including calculus and programmability. This calculator, manufactured by Casio in China, is a reliable tool for solving complex mathematical problems and is suitable for students, professionals, and anyone needing precision calculations on the go.
eBay