CASIO Scientific Calculator Plastic Black 3+

The CASIO fx-991ES PLUS (2nd edition) is a non-programmable scientific calculator featuring a natural textbook display that shows mathematical expressions exactly as they appear in textbooks. With 417 built-in functions, this calculator is designed for students and professionals who need reliable computational tools for mathematics, science, and engineering work.

The calculator comes in black plastic housing and displays mathematical problems and solutions in natural textbook format, making it easier to understand and verify your work.

• 417 built-in functions for comprehensive mathematical calculations
• Natural textbook display shows expressions and results as they appear in textbooks
• Equation solver (CALC-SOLVE) and equation recall (CALC-SOLVE) capabilities
• Differentiation and numerical integration functions
• Multi-replay function, matrix/vector calculations, and complex number computation
• Suitable for students in advanced mathematics, calculus, physics, engineering, and science courses