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Item #:
184395026
Casio FX-991ES Plus-2nd Edition Scientific Calculator, Black
89% of respondents would recommend this to a friend
Item #:
184395026
SGD 66
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Imported from USA store
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Experience a world where intricate calculations become straightforward and stress-free, empowering you to tackle your studies or work with confidence.
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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?
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Students in STEM
Perfect for high school and university students studying mathematics, physics, and engineering with advanced calculation needs.
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Exam Preparation
Designed for exams that allow calculators, helping users solve complex equations quickly and efficiently.
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Professionals in Science
Useful for scientists and engineers requiring reliable calculations including statistical analysis and complex function evaluations.
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Beginners in Math
May be overwhelming for beginners not familiar with scientific calculators or basic mathematical functions.
Product Description
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Customer Questions & Answers
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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.
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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
JG
Jazz
Verified buyer
“Easy to use and always helpful and sorts any issues I've had past and present”
1 September 2026 · via Trustpilot
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“I always receive support when I engage customer service. Overall my experience with UBUY has been top notch. Keep up the good work.”
31 August 2026 · via Trustpilot
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“The delivery was fast and the product came undamaged and authentic.”
29 August 2026 · via Trustpilot
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Verified buyer
“Fast, convenient and cheap. Great store!”
27 August 2026 · via Trustpilot
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SGD 66
Order now and get it around Thursday, September 17
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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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.
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