Item #:
221452715
Casio FX-991EX Scientific Calculator FX 991 EX Classwiz 552 function
Item #:
221452715
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Imported from USA store
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With up to 552 built-in functions, it is ideal for exams, academic work, and everyday problem-solving.
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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
With 552 functions, the Casio FX-991EX offers comprehensive scientific calculations, making it ideal for students and professionals in engineering, mathematics, and science.
High-Resolution Display
The high-resolution display enhances visibility and clarity of complex equations and graphs, improving user experience during analysis and study sessions.
Solar & Battery Power
Equipped with both solar and battery power options, the FX-991EX ensures reliability and longevity, making it suitable for extended use in classrooms and examination scenarios.
Product Details
| Brand | Unbranded |
| Key Size | Regular |
| Type | Scientific, Basic |
| Display Size | Regular |
| Power Source | Battery, Solar |
| Size | Handheld |
| Model | FX-991EX |
| MPN | N/A |
| Features | Programmable, LCD Display, Backlight, Calculus |
| UPC | N/A |
| Country of Origin | Japan |
| What is in the box | Casio FX-991EX Scientific Calculator... For more details, please check description/product details |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Students
Ideal for high school and university students, offering extensive functions for math, physics, and engineering subjects.
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Professionals
Great for engineers and scientists who need reliable calculations and advanced mathematical functionality on the go.
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Exam Candidates
Approved for use in many standardized tests, making it suitable for students preparing for important examinations.
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Casual Users
Not suited for those who require basic calculations as its advanced features may be overwhelming and unnecessary.
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Budget Seekers
Its price may be higher than basic calculators, making it less appealing for users on a tight budget.
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Limited Functions
Users needing graphic capabilities might find the lack of graphical functions limiting for complex visual data representation.
Product Description
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Customer Questions & Answers
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Question:
How many functions does this calculator have?
Answer: It supports up to 552 scientific and engineering functions. -
Question:
Is it suitable for exams?
Answer: Yes, it is designed for student and exam use. -
Question:
What type of battery does it use?
Answer: It uses coin batteries, which are included.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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Features & Benefits
- 552 functions for diverse scientific and engineering calculations.
- High precision display with clear 12-digit output.
- Exam-ready and perfect for students and professionals.
- Compact and lightweight design for portability.
- User-friendly layout ensures quick operation.
- Battery powered with included coin batteries.
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