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Item #:
218550188
Casio FX-991ES Plus Scientific Calculator
85% of respondents would recommend this to a friend
Item #:
218550188
TWD 906
Price Details
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Order now and get it around Monday, September 21
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The Casio FX-991ES Plus Scientific Calculator is your ultimate companion for navigating the complexities of mathematics and physics.
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What Stands Out
Multi-Functionality
Offers advanced mathematical functions, including algebra, calculus, and statistics, making it suitable for students, engineers, and professionals across various fields.
User-Friendly Interface
Equipped with a natural textbook display, allowing users to input and view equations as they appear in textbooks, simplifying complex calculations.
Durable Design
Constructed with robust materials and designed for extended use, ensuring reliability in educational and professional settings while being lightweight and portable.
Product Details
| Country of Origin | Pakistan |
| Brand | Casio |
| Key Size | Regular |
| Type | Scientific |
| Power Source | Battery/Solar |
| Size | Handheld |
| Model | FX-991ES Plus |
| MPN | FX991MS/ES |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Students
Perfect for high school and college students needing reliable scientific functions for mathematics and science courses.
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Engineers
Ideal for engineers requiring advanced calculations and features for project designs and analysis.
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Researchers
Beneficial for researchers performing complex calculations in various fields including physics, chemistry, and statistics.
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Casual Users
May not be suitable for casual users needing simple calculations without advanced features.
Product Description
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Customer Questions & Answers
-
Question:
What types of functions does the calculator support?
Answer: The FX-991ES Plus supports 417 functions including trigonometry, statistics, and complex number calculations. -
Question:
Is this calculator suitable for college students?
Answer: Yes, it is specifically designed for students managing challenging coursework across various math and science disciplines. -
Question:
How is the calculator powered?
Answer: The calculator operates on a dual power source, using both solar and battery, ensuring its use in various lighting conditions.
casio Editorial Review
Casio FX-991ES Plus Scientific Calculator is a versatile tool favored by students and professionals alike for its numerous functions and user-friendly interface. Users have praised its ability to handle complex equations, including trigonometric calculations. Many appreciate its large display, which enhances usability, especially for engineering and computer science studies. The calculator has a combination of battery and solar power sources, making it reliable for extended use. Its design is compact and handheld, enabling easy transport for classes and exams. Additionally, users have noted the convenience of inputting human-readable fractions, allowing for more intuitive calculations.
Customer Reviews & Ratings
166 customers ratings
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5 Star
90%
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4 Star
5%
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3 Star
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1 Star
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Pros
- Handles complex equations effectively
- Large, easy-to-read display
- Versatile for various academic fields
- Compact and portable design
- User-friendly with human-readable fractions
Cons
- Screen quality could be improved for better visibility
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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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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TWD 906
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QTY:
Only 1 item left in stock.
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Features & Benefits
- High-resolution LCD screen displays equations in natural textbook format.
- Offers 417 functions, covering a broad spectrum from basic arithmetic to advanced calculus.
- Dual power source (solar and battery) ensures uninterrupted usage.
- Compact and lightweight design makes it portable for any environment.
- Ideal for students, professionals, and various fields like engineering and sciences.
- Designed for comfort and durability, perfect for extended use in academic settings.
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