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Item #:
182896906
Casio FX-991DE X ClassWiz School Calculator with Youth Word Goofy (Goofy Red)
Item #:
182896906
0 ratings
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The FX-991DE X from the Casio ClassWiz series is the most powerful model of technical-scientific calculators with 696 functions.
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What Stands Out
Advanced Functions
Equipped with over 500 functions, the Casio FX-991DE X ClassWiz meets all educational needs, making it ideal for high school and college students tackling complex equations and calculations.
User-Friendly Interface
The vibrant 'Goofy Red' design paired with an intuitive display allows users to navigate effortlessly, enhancing usability for students and reducing the learning curve associated with scientific calculators.
Durable Design
Built to withstand daily classroom use, this calculator features a sturdy shell and high-quality keypad, ensuring longevity and reliability for students during exams and assignments.
Product Details
| Calculator Type | Engineering/Scientific |
| Display Type | LCD |
| Colour | red |
| Brand Name | DynaTech |
| Model Name | FX-991DE X |
| Manufacturer | DynaTech |
| Manufacturer Part Number | CS FX 991 DE X M |
| Country of Origin | China |
| Brand | DynaTech |
| Number of items | 1 |
| Item Weight | 0.6 lbs (270 grams) |
Who Should Buy?
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Students in School
Ideal for high school and college students who need a reliable calculator for math and science courses.
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STEM Enthusiasts
Great for individuals pursuing STEM fields who require advanced functions for calculations and graph plotting.
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Budget-conscious Buyers
Affordable option for those seeking a powerful calculator without breaking the bank, making it cost-effective.
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Professionals
Not suitable for professionals needing specialized functions or advanced graphing capability in their daily work.
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Very Young Children
Complex features may overwhelm very young users; not designed for those who require simple arithmetic tools.
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Graphing Needs
Limited graphing functions compared to dedicated graphing calculators, which might not meet certain user expectations.
Product Description
Casio FX-991DE X ClassWiz School Calculator with Youth Word Goofy (Goofy Red)
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Customer Questions & Answers
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Question:
What makes the FX-991DE X different from its predecessor?
Answer: It has an expanded list of calculation commands and an optimized display. -
Question:
How many functions does the FX-991DE X have?
Answer: It features an impressive total of 696 functions. -
Question:
Can I visualize results on my smartphone?
Answer: Yes, the calculator includes a QR code function for that purpose.
DynaTech Editorial Review
The Casio FX-991DE X ClassWiz School Calculator is a highly regarded device that combines functionality with a fun design, attracting both students and educators alike. The unique "Goofy Red" color adds a playful touch, making it appealing to a younger audience while still retaining the robust features expected of a professional-grade scientific calculator. Users have expressed their appreciation for the calculator's wide array of features, which include advanced mathematical functions, statistical capabilities, and a highly intuitive interface. The ClassWiz technology enhances user experience by allowing for quick navigation through menus and functions, leading to improved efficiency during examinations and homework. Many customers note that the display is clear and easy to read, making complex mathematical operations more manageable. The FX-991DE also supports a range of subjects beyond mathematics, such as physics and engineering, making it a versatile tool for students in different fields. Reviewers are particularly impressed with the calculator's ability to handle intricate calculations with ease, including integration and differential equations, which has significantly helped them in their studies. However, some users have pointed out a learning curve associated with the advanced functionalities, particularly for those who may not be familiar with scientific calculators. While the impressive capabilities can enhance productivity, new users may take some time to fully leverage all the features available. In summary, the Casio FX-991DE X ClassWiz School Calculator offers a delightful blend of functionality, design, and versatility that caters to a broad range of mathematical needs. Its user-friendly interface, combined with a playful aesthetic, makes it a popular choice among students and teachers alike. **
Customer Reviews & Ratings
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Pros
- Extensive range of mathematical and statistical functions.
- User-friendly interface with easy navigation.
- Clear and easy-to-read display.
- Attractive design appealing to younger users.
- Versatile tool for various subjects beyond math.
Cons
- Some users may experience a learning curve with advanced functionalities.
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
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Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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Features & Benefits
- New Classwiz series with natural display for ease of use.
- High-resolution LC display with 193 x 63 pixels.
- Four times the resolution of FX-DE Plus series displays.
- Quadrupled memory capacity for extensive statistical calculations.
- Four times faster processor performance for efficiency.
- Includes QR code function to visualise results on smartphones or tablets.
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