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Item #:
229041389
Casio FX-991EX Classwiz Scientific Calculator 552 function Advanced Engineering
88% of respondents would recommend this to a friend
Item #:
229041389
SAR 211
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The Casio FX991EX Classwiz is your ideal partner in academic and professional environments, boasting 552 mathematical functions and advanced features for a seamless calculation experience.
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What Stands Out
High Functionality
With 552 functions, the Casio FX-991EX Classwiz provides extensive capabilities for advanced engineering and scientific calculations, making it ideal for students and professionals seeking precision and versatility.
User-Friendly Interface
The Classwiz features a clear, intuitive display and easy navigation, allowing users to access functions quickly, enhancing productivity during complex calculations in academic and professional settings.
Graphing Capability
This calculator includes advanced graphing features, enabling visual representation of equations and data, which helps users understand concepts better and aids in solving problems effectively.
Product Details
| Brand | Casio |
| Key Size | Regular |
| Type | Scientific, Basic |
| Display Size | Regular |
| Power Source | Battery, Solar |
| Size | Handheld |
| Model | FX-991EX |
| MPN | FX-991EX |
| Features | Programmable, LCD Display, Backlight, Calculus |
| Country of Origin | Japan |
| UPC | N/A |
| What is in the box | Casio FX-991EX Classwiz Scientific... For more details, please check description/product details |
| Item Weight | 1.1 lbs (500 grams) |
Who Should Buy?
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Engineering Students
Ideal for engineering students needing advanced functions for calculations in various technical disciplines and projects.
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Teachers and Educators
Perfect for educators who require a reliable and powerful scientific calculator for teaching mathematical concepts effectively.
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Scientists and Researchers
Great choice for professionals conducting research or experiments requiring complex calculations and data analysis.
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Basic Math Users
Not suitable for users only performing basic arithmetic who may find advanced functions unnecessary.
Product Description
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Customer Questions & Answers
-
Question:
What kind of power supply does the Casio FX991EX use?
Answer: It uses both solar and battery power for continuous operation. -
Question:
Is this calculator suitable for advanced mathematics?
Answer: Yes, it supports symbolic algebra, calculus, and 552 functions for complex calculations. -
Question:
Can I use this calculator for statistical analysis?
Answer: Absolutely, it includes a spreadsheet function for efficient data visualization and statistical calculations.
casio Editorial Review
**** The Casio FX-991EX Classwiz Scientific Calculator has garnered a mixed but generally positive reception among customers, reflecting a blend of valuable features and some notable drawbacks. Many users appreciate its extensive functionality, boasting 552 advanced features that prove beneficial for engineering, mathematics, and scientific applications. The advanced variable memory allows users to save important values, and the convenience of editing formulas after calculations stands out as a user-friendly aspect. Furthermore, the inclusion of pre-programmed Constants and a QR code generator adds a modern twist to its usability, making it suitable for both students and professionals alike. However, some customers express dissatisfaction with the design and ergonomics of the calculator. Several users found it larger than expected, contrasting with the compact nature of previous models like the fx-260. The keyboard design received criticism for feeling rattly and less tactile, which might detract from the overall typing experience. The visibility of alternative key labels was reported as problematic, especially in less than ideal lighting conditions. Furthermore, the slide-on cover's loose fit raised concerns about durability and practicality. In summary, the Casio FX-991EX Classwiz presents itself as a powerhouse of a scientific calculator with an array of features suited for diverse mathematical needs, but its physical design and key usability may pose challenges for some users. **
Customer Reviews & Ratings
101 customers ratings
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Pros
- Extensive functionality with 552 advanced functions.
- Variable memory feature for easy retrieval of previous values.
- User-friendly editing of formulas after calculations.
- Pre-programmed Constants enhance usability.
- Exciting QR code generator feature.
Cons
- Larger size compared to previous models, making it less portable.
Platform Trust & Buyer Confidence
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Mekki
Verified buyer
“Arrive before time, excellent products”
9 July 2026 · via Trustpilot
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“A very big Thank you to HUDA and the Ubuy Team in helping to send my order to me yesterday!! Order # 62606425316 Customer service and operations is top for this online shopping company and I am very satisfied with the way they handle issues. THANK YOU once again!!”
25 June 2026 · via Trustpilot
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Verified buyer
“Good experience of shopping through Ubuy.”
16 June 2026 · via Trustpilot
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Mohamed
Verified buyer
“We feel very good about the delivery time, and the materials we received matched our order.”
14-Jul-26 · via Trustpilot
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Essam
Verified buyer
“Perfect service and fast delivery.”
16-Jul-26 · via Trustpilot
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SAR 211
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Features & Benefits
- Revolutionary calculator designed for students and professionals.
- Features 552 mathematical functions for various calculations.
- High-resolution display with natural textbook format enhances usability.
- Lightweight and portable, perfect for exams and presentations.
- Advanced functions like spreadsheet capabilities for statistical analysis.
- Solar and battery powered for reliable performance anytime.
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