Scientific Calculators, IPepul Math Calculator with 417 Function, Solar Battery Power and 4-Line Display, School Supplies for Middle High College Students Teachers(991ES Plus)
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This item is eligible for return within 30 days of receipt
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Availability:
In Stock.
Arrives
Sunday, Sep 7
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Color: 991ES PLUS
Features
- 417 Calculation Functions: The scientific calculators has 417 different calculation function built-in, including trigonometric function, exponential function, logarithmic function, calculus, statistics, algebra, and other advanced mathematical functions. It also supports complex number calculations, matrix calculations, vector calculations, etc., and can meet the various scientific and engineering calculation needs .
- Large Screen Four-Line Display: The scientific calculator adopts a four-line large screen design, which is convenient for users to read. It also supports the natural display, which can directly display the input and output of mathematical formulas on the screen, making complex calculations more intuitive.The key SHITT -MODE (SETUP) DOWN -6( LEFT Continue RIGHT ).Use LEFT and RIGHT to adjust screen brightness .
- Dual Power: This calculator has a built-in solar panel and durable battery, which can be used continuously for many years in indoor and outdoor environments, reducing the frequency of battery replacement and making it more economical. This also makes it the best choice for people who need to use it for a long time, such as school supplies, high school students, accountants, and non-programmable calculators .
- Multi-Functional Keyboard: The calculator has a keyboard with many scientific symbols and function keys built-in, making it easy to perform various calculations and functions. Especially for people who need to perform scientific calculations frequently, this keyboard design can greatly improve their calculation efficiency, such as teachers, engineers, college students, nurses, and accountants .
- The Best School Supplies: This calculator is very suitable for students in elementary school, junior high school, high school, college, engineers, nurses, and teachers, etc. It can meet their calculation needs in the fields of mathematics, science, and engineering, and help them better understand and apply knowledge. Therefore, as a gift, it can be given to these people who need to perform scientific calculations.CONTACT US FOR ELECTRONIC USERS GUIDE .
Brand: iPepul
Color: 991ES PLUS
Calculator Type: Engineering/Scientific
Power Source: Solar Powered
Screen Size: 2.8 Inches
Product Dimensions: 6.5 x 3.27 x 0.04 inches
Item Weight: 5.3 ounces
Item model number: 991ES
Batteries: 1 LR44 batteries required. (included)
Date First Available: March 2, 2023
Manufacturer: ipepul
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Sep 7
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: 991ES PLUS
I recently purchased the Scientific Calculator, and I must say it has exceeded my expectations. As a student majoring in Statistics, having a reliable calculator is crucial for my daily coursework and exams. Here's why I highly recommend this scientific calculator: 1. Functionality: The calculator boasts a comprehensive set of functions suitable for advanced scientific calculations. From basic arithmetic to complex algebraic equations and trigonometric functions, this device has proven to be a versatile and indispensable tool for my academic needs. 2. User-Friendly Design: The user interface is intuitive and well-designed. The buttons are responsive, making data input quick and accurate. The clear and readable display ensures that even complex equations are easy to follow. The ergonomic design also contributes to comfortable extended use during study sessions or exams. 3. Durability: Constructed with quality materials, this calculator feels sturdy and durable. It has survived a few accidental drops without any noticeable damage. The robust build gives me confidence that it will last throughout my academic journey. In conclusion, I am thoroughly satisfied with my purchase of the Scientific Calculator. It has become an essential tool for my academic pursuits, and I highly recommend it to fellow students and professionals alike.
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Reviewed in the United States on November 11, 2023 by Jay
Color: PINK
Great calculator. Well priced and works great. I like the color options.
Reviewed in the United States on April 12, 2025 by Lizzie
Color: PINK
Perfect for all my college class needs!! Cute look with amazing functions! Price can’t be beat.
Reviewed in the United States on March 22, 2025 by Jennifer Peffer
Color: PINK
It’s okay but it could be better, 2 of my buttons were switched around so that was confusing. It works great honestly but I usually have to push the buttons twice to get it to actually work some times. Is it worth it? If you like the color than yes if for the use you can get better for the same price. The accuracy is good if you know how to use the S->D button.
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Reviewed in the United States on May 18, 2025 by Lani
Color: 991ES PLUS
This is my absolute favorite calculator. It has lasted since high school and I've bought extras through college and grad school. It's so easy to use and the buttons are a good quality and precise. I've been able to use it through every college and grad school course.
Reviewed in the United States on July 16, 2025 by H.C.
Color: PINK
Is a good tool, is always helping me , and i loved the color is super girly amd the baterry super resistant because i use my calculator a lot
Reviewed in the United States on March 9, 2025 by Daniela
Color: PINK
it is so pink and so cute <3 it also has log and e^x, super light weight, and don’t need to worry about batteries
Reviewed in the United States on July 25, 2025 by Grace Grace
Color: 991ES PLUS
The calculator functions well and performs all the necessary calculations without any issues. The buttons are responsive, and the display is clear. However, compared to other brands, the overall design and material feel a bit less refined. It lacks the premium look and texture that some higher-end models have. If you’re just looking for a reliable calculator without worrying too much about aesthetics, this one does the job.
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Reviewed in the United States on February 9, 2025 by Yi Chen Liu Yi Chen Liu