Item #:
224021080
Casio FX-991EX Scientific Calculator FX 991 EX Classwiz 552 function
Item #:
224021080
KYD 13
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What Stands Out
High-Resolution Display
Features a 192 x 63 pixels LCD that enhances visibility and clarity, allowing users to view graphs and complex calculations effortlessly.
Extensive Functionality
Comes with 552 functions including advanced calculus and statistics, catering to students and professionals needing comprehensive mathematical solutions.
User-Friendly Interface
Offers a ClassWiz interface designed for intuitive navigation, helping users find functions quickly and reducing learning time.
Product Details
| Brand | Unbranded |
| Key Size | Regular |
| Type | Scientific, Basic |
| Display Size | Regular |
| Power Source | Battery, Solar |
| Size | Handheld |
| Model | FX-991EX |
| MPN | N/A |
| Features | Programmable, LCD Display, Backlight, Calculus |
| Country of Origin | Thailand |
| UPC | N/A |
| Item Weight | 0.4 lbs (180 grams) |
Who Should Buy?
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Students
Ideal for high school and college students needing advanced functions for math and science courses.
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Engineers
Perfect for engineers who require extensive calculations for design and analysis in various engineering fields.
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Researchers
Useful for researchers needing a reliable scientific calculator for statistical analysis and complex mathematical computations.
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Casual Users
Not suitable for casual users who need basic functions for simple calculations, as it may be overly complex.
Product Description
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Customer Questions & Answers
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What is the return policy?
Answer: We offer a 15-day return policy. If you're not satisfied, contact us for assistance. -
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How quickly will my order be shipped?
Answer: Orders are processed and shipped within 1-2 business days. -
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Answer: Feel free to reach out through messages, and we will respond within 24 hours.
Editorial Review
The Casio FX-991EX Scientific Calculator FX 991 EX Classwiz boasts an impressive array of 552 functions, making it an essential tool for students and professionals alike. With its programmable capabilities, LCD display, and backlight feature, users can efficiently perform complex calculations in various disciplines, including calculus. Powered by both battery and solar energy, this handheld calculator is designed for versatility, ensuring functionality in different lighting conditions. Users appreciate the regular key size, which enhances usability, while its lightweight build makes it easy to carry around for on-the-go calculations.
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Pros
- 552 functions offer extensive calculation capabilities
- Programmable features enhance user experience
- Backlit LCD display for better visibility
- Lightweight design for easy portability
- Dual power source provides reliability
Cons
- Regular key size may take some getting used to
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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KYD 13
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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- Orders processed within 1-2 business days.
- 15-day return policy for hassle-free returns.
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- Responsive customer service available within 24 hours.
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