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With 417 distinct functions, the Casio fx-991ES Plus-2 calculates integration, differentiation, and complex number variables. Natural Textbook Display renders fractions and square roots exactly as appearing on paper. Precise data visualization prevents errors from manual misinterpretation. This second edition updates the traditional blocky chassis with a rounded, sleek profile for better grip during long exam sessions.
Key Features
- 417 Math Functions: Integrated integration, differentiation, and complex number calculation solvers. Solves matrix problems without manual step-by-step entry.
- Natural Textbook Display: Dot matrix screen showing equations exactly as appearing on paper. Eliminates misinterpretation of complex multi-level fractions.
- Two-Way Power: Solar cell supplemented by a G13 button battery. Prevents shutdown during low-light conditions or sudden load shedding.
- Non-Programmable Logic: Fixed calculation paths without external data storage or coding. BD boards and universities accept this non-programmable model.
- Slide-on Hard Case: Protective plastic shell with internal quick reference command sheet. Resists screen damage from heavy textbook pressure in bags.
- 3-Year Warranty: Thirty-six months of coverage against internal hardware failure. Secures the tool for the duration of an engineering degree.
Frequently Asked Questions
Is Casio fx-991ES Plus 2nd edition allowed in HSC?
Yes, this model follows non-programmable logic requirements. BD boards and universities accept this specific model for all examinations.
How to check original Casio fx-991ES Plus-2?
Scan the QR code printed on the unit's rear or packaging. Authentic devices redirect to the official Casio verification portal.
