Casio Calculator ClassWiz FX-991EX

The Casio ClassWiz FX-991EX is a professional-grade scientific calculator designed for students and professionals. Features include 290+ built-in functions, natural display technology for textbook-style equations, and high-resolution screen for clarity. Equipped with spreadsheet functionality, statistical analysis tools, and equation solving capabilities. Solar and battery powered for extended use. Durable design with ergonomic keypad. Perfect for mathematics, engineering, physics, and advanced studies. Lightweight and portable for classroom or office use.