特色和優勢
- High-definition LCD display and backlight
- ClassWiz technology for easy calculus
- Dual power source of solar and battery
- Made in China, new and sealed
- Perfect for business and scientific use
- Take your work to the next level
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The Casio fx-991EX is the ultimate in scientific calculators.
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What Stands Out
Advanced Functions
Offers over 500 functions including 4x4 matrix calculations, complex number calculations, and calculus capabilities, catering to high school and college students for diverse subjects.
High-Resolution Display
Features a 192 x 63 pixel LCD screen that provides clear, detailed visualizations of equations and graphs, enhancing readability and usability during complex problem-solving.
Interactive Features
Incorporates an intuitive user interface and a natural textbook display for easy input and review of mathematical expressions, making it accessible for learners at all levels.
產品詳情
| Brand | Casio |
| GTIN | 0079767032593, 0809787035195, 0809394579433 |
| Height | 0.43in. (1.1 cm) |
| Weight | 0.19lbs. (90 grams) |
Who Should Buy?
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Students
Ideal for high school and university students needing advanced functions for mathematics, physics, and engineering courses.
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Professionals
Great for engineers and scientists who require precise calculations for research and project work in various fields.
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Exam Candidates
Suitable for students preparing for standardized tests that permit scientific calculators, offering comprehensive calculation features.
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Casual Users
Not necessary for individuals who need basic calculations, as simpler calculators would suffice and be easier to use.
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Young Children
Not suitable for young kids who require simple arithmetic tools, as advanced features may overwhelm them.
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Budget Shoppers
May not be ideal for those looking for budget-friendly options since it is more expensive than basic calculators.
產品描述
有疑問？ 和我們聊天
客戶問答
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問題:
What type of display does it have?
Answer: The Casio fx-991EX has a high-definition LCD display with a backlight. -
問題:
Does it have calculus capabilities?
Answer: Yes, it has ClassWiz technology that allows for easy and efficient calculus. -
問題:
What is the power source for this calculator?
Answer: It has a dual power source of solar and battery to ensure you are never caught without power.
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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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12 June 2026 · via Trustpilot
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