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Item #:
222868091
CALCUSO economy pack: Casio FX 991 DE X ClassWiz Technical Scientific Calculator + WYNGS Protective Case Blue
Item #:
222868091
XCD 173
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The Casio FX-991DEX is the most powerful technical-scientific calculator model with a high-resolution display and innovative QR code function.
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What Stands Out
Advanced Calculator
The Casio FX 991 DE X ClassWiz offers over 500 functions, making it perfect for students and professionals in science, engineering, and mathematics.
Durable Protection
Includes a WYNGS protective case that safeguards the calculator from daily wear and tear, ensuring longevity and reliability for your practical use.
User-Friendly Interface
Designed with a high-resolution display and intuitive layout, facilitating easy navigation through complex calculations, ideal for students aiming for efficiency in solving technical problems.
Product Details
| Calculator Type | Engineering/Scientific |
| Power Source | Solar Powered |
| Screen Size | 7.9 Centimetres |
| Number of Batteries | 1 LR44 batteries required. |
| Compatible Devices | Casio FX 991 DE X |
| Display Type | LCD |
| Colour | blue |
| Enclosure Material | Faux Leather |
| Brand Name | Casio |
| Model Name | Casio fx-991DE X |
| Manufacturer | Casio |
| Manufacturer Part Number | B08C35HY3N |
| Model Number | B08C35HY3N |
| Item Weight | 3 Grams |
| Country of Origin | China |
| Brand | Casio |
| Material | Faux Leather |
Who Should Buy?
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Students
Ideal for high school and university students needing a reliable calculator for complex math and science courses.
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Engineers
Useful for engineers who require advanced calculations and functions in their daily work or projects.
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Teachers
Great tool for educators to demonstrate mathematical concepts and assist students in learning effectively.
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Casual Users
Not suitable for individuals who only need basic calculations; may be overly complex for simple tasks.
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Younger Children
Young kids may find the advanced features overwhelming, limiting their understanding of basic math operations.
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Older Models Users
Users accustomed to older calculator models might struggle to adapt to the features and layout of this model.
Product Description
CALCUSO economy pack: Casio FX 991 DE X ClassWiz Technical Scientific Calculator + WYNGS Protective Case Blue
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What distinguishes the Casio FX-991DEX from previous models?
Answer: It has a high-resolution display with four times the resolution of earlier models, enhancing visibility. -
Question:
Can I share my results easily?
Answer: Yes, the QR code function allows you to display results on your smartphone or tablet. -
Question:
Is the protective case included?
Answer: Yes, the CALCUSO economy pack includes a protective case for added durability.
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16 June 2026 · via Trustpilot
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“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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XCD 173
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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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Most powerful technical-scientific calculator model.
- High-resolution LC display (193 x 63 pixels).
- Four times the resolution of previous models.
- Features a unique QR code function for easy result sharing.
- Natural display shows fractions and square roots clearly.
- Includes a protective case for durability.
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