Casio FX-991ES Plus 2nd Edition Scientific Calculator | 417 Functions, Natural Textbook Display

Casio FX-991ES Plus 2nd Edition is a non-programmable scientific calculator featuring 417 advanced functions, Natural Textbook Display, and a high-resolution dot-matrix screen. Dual solar + battery power ensures long-lasting performance, while the included hard case provides protection for school, university, and professional use.