Casio FX 991ES Plus - Advanced Scientific Calculator

The Casio FX-991ES Plus is a powerful, non-programmable scientific calculator designed for students, engineers, and professionals. Equipped with 417 functions, this calculator supports advanced mathematical operations, including fractions, statistics, complex numbers, matrices, and integration.

Its Natural Textbook Display (NTD) allows expressions to be shown exactly as they appear in textbooks, improving readability and accuracy. The dual power system (solar and battery) ensures reliable operation, while the sleek, durable design makes it easy to carry and use in any setting.

Key Features:

• 417 functions for comprehensive calculations
• Natural Textbook Display (NTD) for clear, intuitive input
• Dual power source (solar and battery) for long-lasting performance
• Supports complex numbers, matrices, integration, differentiation, and statistics
• Multi-replay function to review and edit previous calculations
• Durable build with a protective cover for portability

Ideal for high school and university students, as well as professionals in technical fields, the Casio FX-991ES Plus is a must-have tool for accurate and efficient calculations.