Pros
- •Highly suitable for students, meeting all necessary functions.
- •Useriendly and easy to work with.
- •Consistently performs well without issues.
- •Offers numerous functions beyond basic calculations, suitable for advanced studies.
- •Capable of solving equations, matrices, differentiation, and integration.
- •No need for charging, making it convenient for continuous use.
- •Supports engineering suffixes such as milli and micro.
- •Easier navigation and better variable handling compared to the model 115.
- •Simplified statistical output display, showing all values at once.
Cons
- •Navigation can be complicated due to numerous hidden menus.
- •May require some time to learn how to utilize all the features effectively.
- •Fewer keys on the keyboard, lacking frequently used functions like the exponential key.
- •Presence of multiple log keys but missing a general exponential function on the main keyboard.
- •Some functions require use of menus instead of direct keys, making the usage less intuitive.
- •Missing features compared to the previous model, impacting overall functionality.
- •History gets erased easily with certain actions.
- •Confusing existence of a separate complex mode, which seems unnecessary.
Bottom Line
The FX-991CW Advanced Scientific Calculator is a highly suitable choice for students needing a functional and versatile calculator without a hefty price. Despite its user-friendliness and advanced capabilities, some design choices, such as hidden menus and missing direct function keys, may require an adjustment period. Its advantages tend to outweigh the drawbacks for academic purposes, making it a worthwhile consideration for educational use.
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