89% of respondents would recommend this to a friend
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A high performance scientific calculator with high resolution display increasing the amount of information displayed and super fast calculation speed for testing or performing the most advance mathematics.
| Brand Name | Casio |
| Model Name | FX-991CW |
| UPC | 889232615011 |
| Unit Count | 1.0 count |
| Manufacturer | Casio |
| Number of Items | 1 |
| Item Weight | 3.35 Ounces (94.97 grams) |
| Item Type Name | Casio Advanced Scientific Calculator |
| Model Number | FX-991CW |
| Manufacturer Part Number | FX-991EX |
| Item Dimensions L x W | 16.2L x 7.7W centimetres |
| Calculator Type | Engineering/Scientific |
| Power Source | Solar Powered |
| Screen Size | 2.25 Inches (5.7 cm) |
| Number of Batteries | 1 LR44 batteries required. (included) |
| Display Type | LCD |
| Colour | Black |
| Enclosure Material | Plastic |
| Brand | Casio |
| Material | Plastic |
| Product dimensions | 16.2L x 7.7W centimetres |
Ideal for high school and college students needing advanced calculations for mathematics and science courses efficiently.
Useful for engineers and scientists requiring precise calculations, graphs, and complex equations in their daily work.
Great tool for teachers to demonstrate mathematical concepts and provide students with hands-on learning experiences.
Not ideal for individuals needing simple calculations, as the advanced features may be overwhelming or unnecessary.
Casio FX-991CW Advanced Scientific Calculator
**** The FX-991CW Advanced Scientific Calculator has garnered mixed reviews from users, reflecting both its strengths and weaknesses. While the calculator is noted for its quality and precision, some users find its features and user interface to be less intuitive than expected. The FX-991CW is primarily recognized as a robust tool for engineering students and professionals, equipped to handle complex tasks such as matrix calculations, solving equations of various orders, and performing integrals. The design of the calculator has received praise for being visually clear, with a two-tone aesthetic that enhances usability by making button functions more evident. Users have appreciated the improvements in speed and calculation accuracy compared to its predecessor, the FX-991EX, although some feel that it does not rival higher-end graphing calculators. However, not all feedback is positive. Changes to the user interface, such as the removal of certain function buttons and a shift to a more complicated function access system, have been sources of frustration. Users lament the added steps required for common calculations, which could deter those accustomed to the more straightforward functionality of older models. Some features that were expected, such as the least common multiple (LCM) calculation, were missed by a few reviewers. Overall, while the FX-991CW is generally effective for advanced calculations and suitable for engineering contexts, those who are familiar with the previous model may find the transition to the new interface cumbersome. Quality-wise, the investment is Considered worthwhile, albeit with a cautionary note regarding usability changes. **
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