0 ratings
Item #:
184395026
Casio FX-991ES Plus-2nd Edition Scientific Calculator, Black
89% of respondents would recommend this to a friend
Item #:
184395026
XCD 129
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, September 24
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
Experience a world where intricate calculations become straightforward and stress-free, empowering you to tackle your studies or work with confidence.
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 US store (110-120). Recommended power converters Buy Now.
What Stands Out
Advanced Functions
Offers over 450 mathematical functions, including calculus and statistics, providing comprehensive support for students and professionals tackling complex calculations with ease.
Natural Display
Displays expressions and results in a natural format, making it easier for users to read and understand mathematical concepts, ideal for both academic and professional use.
Durable Design
Built with a robust casing and high-quality keys, ensuring longevity and reliability, perfect for everyday academic use, even in rigorous conditions.
Product Details
| Display Size | Regular |
| Features | LCD Display |
| Brand | Casio |
| Key Size | Regular |
| Type | Scientific |
| Power Source | Battery/Solar |
| Size | Handheld |
| Model | FX-991ES |
| MPN | FX-991ES |
| Item Weight | 0.7 lbs (320 grams) |
Who Should Buy?
-
Students in STEM
Perfect for high school and university students studying mathematics, physics, and engineering with advanced calculation needs.
-
Exam Preparation
Designed for exams that allow calculators, helping users solve complex equations quickly and efficiently.
-
Professionals in Science
Useful for scientists and engineers requiring reliable calculations including statistical analysis and complex function evaluations.
-
Beginners in Math
May be overwhelming for beginners not familiar with scientific calculators or basic mathematical functions.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
How many mathematical functions does the Casio FX-991ES support?
Answer: It supports over 400 mathematical functions. -
Question:
Is the calculator portable?
Answer: Yes, it weighs only 1 lb 450 grams, making it easy to carry. -
Question:
What type of power sources does it use?
Answer: The Casio FX-991ES has a dual power source, including both battery and solar options.
casio Editorial Review
Casio FX-991ES Plus-2nd Edition Scientific Calculator, Black features an LCD display, making it easy to read and use for calculations. With a regular display size and a handheld design, this calculator is perfect for students and professionals alike. It operates on both battery and solar power, ensuring versatility for any situation. Users will appreciate its compact size and lightweight build, weighing just 0.7 lbs. The model, sold under the brand Casio, is designed for scientific calculations, meeting various educational and professional requirements.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Clear and easy-to-read LCD display
- Lightweight and portable design
- Dual power source: battery and solar
- Ideal for students and professionals
- Compact size fits easily in bags
Cons
- No advanced graphing features available
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 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.
XCD 129
Order now and get it around Thursday, September 24
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
- Robust 12-digit large display for easy readability.
- Over 400 mathematical functions for diverse calculations.
- Dual power source (battery and solar) for continuous use.
- Lightweight and portable design at just 1 lb 450 grams.
- User-centric design with regular-sized keys for comfort and accuracy.
- Versatile use across various disciplines like physics, engineering, and finance.
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.