The Casio fx-991ES Plus-2 (2nd Edition) is a non-programmable scientific calculator with 417 functions. It is designed for students and professionals who need a calculator for basic and advanced scientific calculations.
The fx-991ES Plus-2 (2nd Edition) has several features that make it easy to use, including:
- A large, easy-to-read display
- A hard case that is attachable and detachable in any direction
- Enlarged number keys and an easy-to-read font
- Highly visible and easy-to-press cursor keys and function keys
The fx-991ES Plus-2 (2nd Edition) also has several advanced features, including:
- The ability to solve complex equations
- The ability to perform statistical analysis
- The ability to calculate integrals and derivatives
- The ability to convert between different number bases
- The ability to display equations in natural textbook format
The fx-991ES Plus-2 (2nd Edition) is a popular choice for students and professionals in a variety of fields, including science, engineering, and mathematics. It is also a good choice for students who are preparing for standardized tests that require the use of a scientific calculator.
Here are some of the key features of the Casio fx-991ES Plus-2 (2nd Edition):
- 417 functions, including trigonometric, logarithmic, exponential, polynomial, radical, statistical, equation solver, integration and differentiation calculator, and base-n conversions
- Natural textbook display
- 2-line display
- Solar and battery power
- Large keypad and color-coded keys
- Memory function that can store up to 150 previous calculations
- Attachable and detachable hard case
Overall, the Casio fx-991ES Plus-2 (2nd Edition) is a powerful and versatile scientific calculator that is well-suited for a variety of needs. It is easy to use, has a variety of advanced features, and is affordable.
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