CASIO FX-991ES PLUS Original Scientific Calculator fx 991es Plus 2nd Edition

CASIO FX-991ES PLUS is a dual-powered scientific calculator designed for students, engineers, and professionals who need reliable computation across mathematics, physics, and engineering disciplines. The 2nd Edition incorporates refinements to the original model, maintaining the dual power system (solar and battery) that ensures consistent performance in varying lighting conditions.

This calculator features 417 built-in functions covering advanced calculations: complex numbers, matrices, vectors, statistics, calculus, and equation solving. The natural textbook display renders mathematical expressions as they appear in print, making it easier to verify work at a glance. With 9 memory variables and the ability to store and recall calculation history, the FX-991ES PLUS supports both scientific and statistical workflows typical in secondary and tertiary education.

The device meets the requirements of most standardized exams and educational boards across Pakistan. Its compact design fits standard pencil cases, and the protective hard cover guards against damage during transport.

• 417 built-in functions across scientific, statistical, and advanced mathematics
• Dual power system: solar and LR44 battery
• Natural textbook display with 192×32-dot matrix screen
• Equation solver and numerical differentiation
• Matrix and vector calculations
• Real and complex number support
• Original Casio product with authenticity assurance

Available with Cash on Delivery across Pakistan. Nationwide delivery ensures you can order with confidence and pay upon receipt.