- Home Page /
- Office Products /
- Office Electronics /
- Calculators /
- Scientific /
- CASIO FX-991CW Advanced Scientific Calculator...
Item #:
81277469
CASIO FX-991CW Advanced Scientific Calculator, Black, S
87% of respondents would recommend this to a friend
Item #:
81277469
RON 318
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from JP
0 ratings
Write a review
In stock
Imported from Japan store
QTY:
Order now and get it around Monday, September 14
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
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.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of JAPAN store (100 V). Recommended power converters Buy Now.
What Stands Out
Comprehensive Functionality
The CASIO FX-991CW offers over 500 scientific functions, making it ideal for advanced mathematics, engineering, and physics, catering to students and professionals alike.
User-Friendly Design
Featuring a clear display and intuitive interface, this calculator ensures ease of use, helping users navigate complex calculations effortlessly, enhancing learning and productivity.
Durable Build
With a robust design and long-lasting battery life, the FX-991CW withstands rigid daily use, ensuring reliability for students and professionals in various settings.
Product Details
- NATURAL TEXTBOOK DISPLAY - Shows equations, fractions and symbols as shown in the textbook to help deepen understanding and reduce errors
- HIGH DEFINITION 4 TONE DISPLAY - Enhanced screen with quad-tone shading provides increased visibility and helps you keep track of your cursor while writing or editing expressions
- Memory & Math Catalog - Store and recall up to 9 variables including integuments, calculations, and functions. A feature educators demand for memory during sessions. Access to 47 constants, 40 conversions and advanced mathematical functions through the intuitive math catalog
- 540 Advanced Features - Perform numerical integral and fractions, 4x4 matrix operations, spreadsheet style data display and more
- QR FEATURES & DURABLE DESIGN - Scan QR code and graphing results with ClassPad.net. Includes rounded keys and anti-slip hard case for classroom and examination
| Calculator Type | Engineering/Scientific |
| Power Source | Solar powered |
| Screen Size | 2.25 Inches (5.7 cm) |
| Number of Batteries | 1 LR44 batteries require. (included) |
| Display Type | LCD |
| Color | black |
| Enclosure Material | Plastic |
| Item Dimensions L x W | 16L x 7.6W cm |
| Brand | Casio |
| Model Name | FX-991CW |
| UPC | 889232615011 |
| Manufacturer | Casio |
| Mfr Part Number | FX-991EX |
| Model Number | FX-991CW |
| Item Weight | 3.35 Ounces (94.97 grams) |
| Item type name | Casio Advanced Scientific Calculator |
| Unit Count | 1.0 Count |
Who Should Buy?
-
students
Ideal for high school and college students tracking mathematics, science, and engineering courses requiring advanced calculations.
-
Engineers
Beneficial for engineers needing a reliable tool for complex calculations in design, analysis, and problem-solving tasks.
-
Researchers
Perfect for researchers requiring precise computations in statistical analysis and data-driven projects across various fields.
-
Casual Users
Not reserved for occasional users who may prefer simpler, more user-friendly calculators for basic arithmetic.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What type of math courses is this calculator suitable for?
Answer: This calculator is suitable for middle school, high school and college math courses. -
Question:
How many functions does this calculator have?
Answer: This calculator has 552 functions, including numeric integration/differentiation, vector and inequality calculations, and simultaneous and polynomial solver. -
Question:
Is this calculator solar powered?
Answer: Yes, this calculator is solar powered with battery backup (LR44 button cell battery included).
Scientific FX-991CW Editorial Review
The CASIO FXCW Advanced Function Calculator has received mixed reviews from customers. Some users appreciate the updated design and slight enhancements in speed and calculation accuracy over the previous model. They find the display easy to read and enjoy features like the ability to convert measurements and factorize integers. However, some customers have voiced concerns about the user interface being less intuitive than before, particularly missing buttons like S⇔D and the inconvenience of certain calculations requiring extra steps. On the positive side, customers appreciate the aesthetic appeal of the calculator, with its gold accents and math box feature, which some find useful for simple tasks like coin tosses. The product is also noted for its quality, timely delivery, and the multitude of functions it offers at a reasonable price point. In conclusion, the CASIO FXCW Advanced Function Calculator is praised for its quality, design, and range of functions, though some users find the user interface less user-friendly and missing certain convenient buttons compared to the previous model. **
Customer Reviews & Ratings
2155 customers ratings
-
5 Star
83%
-
4 Star
11%
-
3 Star
4%
-
2 Star
0%
-
1 Star
2%
Review this product
Share your thoughts with other customers
Pros
- Stylish design with gold accents
- Multiple functions including conversion capabilities
- Good quality and reasonable price point
- Useful features like the math box
Cons
- User interface may be less intuitive than previous models
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
CK
Chitra
Verified buyer
“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
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
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
SJ
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
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
RON 318
Order now and get it around Monday, September 14
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- High resolution LCD screen allows viewing of more information like spreadsheets and 4x4 matrix calculations.
- Numeric Integration/Differentiation. 552 functions
- Simultaneous and Polynomial Solver
- Solar Powered with Battery Backup (LR44 Button Cell Battery Included)
- Rounded keys for easier inputs
- Works with ClassPad.net
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.