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Item #:
81277469
CASIO FX-991CW Advanced Scientific Calculator, Black, S
89% of respondents would recommend this to a friend
Item #:
81277469
KZT 34397
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from JP
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Imported from Japan store
QTY:
Order now and get it around Wednesday, September 16
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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.
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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 rigorous daily use, ensuring reliability for students and professionals in various settings.
Product Details
| Brand | Casio |
| Model Name | FX-991CW |
| UPC | 889232615011 |
| Unit Count | 1.0 Count |
| Manufacturer | Casio |
| Number of Items | 1 |
| Item Weight | 3.35 Ounces (94.97 grams) |
| Item Type Name | Casio Advanced Scientific Calculator |
| Model Number | FX-991CW |
| Mfr Part Number | FX-991EX |
| Item Dimensions L x W | 16L x 7.6W cm |
| Calculator Type | Engineering/Scientific |
| Power Source | Solar Powered |
| Screen Size | 2.25 Inches (5.7 cm) |
| Number of Batteries | 1 LR44 batteries required. (included) |
| Display Type | LCD |
| Color | Black |
| Enclosure Material | Plastic |
Who Should Buy?
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Students
Ideal for high school and college students tackling mathematics, science, and engineering courses requiring advanced calculations.
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Engineers
Beneficial for engineers needing a reliable tool for complex calculations in design, analysis, and problem-solving tasks.
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Researchers
Perfect for researchers requiring precise computations in statistical analysis and data-driven projects across various fields.
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Casual Users
Not suited 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).
CASIO(カシオ) Scientific FX-991CW Editorial Review
CASIO FX-991CW Advanced Scientific Calculator, Black, S offers an impressive array of 540+ functions, making it ideal for engineering, science, and testing tasks. Users appreciate its ease of use, particularly when performing complex numerical calculations and utilizing the matrix solver feature. This model also boasts a solar-powered design, ensuring it remains functional during long study sessions. The screen size of 2.25 inches provides clear visibility, perfect for students and professionals alike. Additionally, the calculator is lightweight at just 3.35 ounces, enhancing portability for on-the-go use.
Customer Reviews & Ratings
2164 customers ratings
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5 Star
83%
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4 Star
11%
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3 Star
4%
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2 Star
0%
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1 Star
2%
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Pros
- Over 540 functions for versatile calculations
- Ideal for engineering and scientific tasks
- Lightweight and portable design
- Clear 2.25-inch LCD display
- Solar-powered for eco-friendly usage
Cons
- Buttons may require a firm press for response
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
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
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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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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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23 July 2026 · via Trustpilot
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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.
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KZT 34397
Order now and get it around Wednesday, September 16
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:
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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
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