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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)

Description:

About this item:

  • 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 𝐔𝐒𝐄𝐑’𝐒 𝐆𝐔𝐈𝐃𝐄 .

    • Review:

    4.4 out of 5

    87.50% of customers are satisfied

    5.0 out of 5 stars Reliable and Efficient Scientific Calculator

    J. · November 11, 2023

    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.

    5.0 out of 5 stars Lightweight and easy to use

    J.P. · August 12, 2024

    I bought this for an online math class. I haven't taken math in many years and wanted a very straightforward calculator that could still do some extras like plotting graphs. It's been great for everything and the solar battery shows no signs of losing a charge.

    5.0 out of 5 stars Good calculator

    E.t.u.A.v.g.c. · June 15, 2024

    Very easy to use. Overall the performance is great

    4.0 out of 5 stars Good for the price

    s. · July 15, 2024

    I purchased this calculator thinking that it is a casio but it was actually a copy. It worked fine and no issue.

    5.0 out of 5 stars Really fast iterations

    J. · August 27, 2024

    I used the Casio fx-991ES during my engineering bachelor's program, frequently relying on its interpolation function, matrix operations, quadratic and cubic function solvers, and equation solver. After losing that calculator, I searched for a similar one and found this model. It has the same functions, but interestingly, the solver on this calculator work faster. Overall, the quality is good and plus I love that the color is different than average calculators.

    1.0 out of 5 stars Don't buy this. Keeps getting off.

    Z. · October 6, 2024

    I bought it on Aug 24, 2024 and the return window closed on Sept 23. It's Oct 6 now, and I can't even return it. This calculator keeps getting off automatically. Don't buy it.

    5.0 out of 5 stars Hard to pull lid off

    M.B. · October 6, 2024

    I have to put top on Calculator half way because it’s hard to put on if it’s all the way pushed on besides that calculator is good for what I needed for

    5.0 out of 5 stars Bonita y util

    A. · October 5, 2024

    Es perfecto para mis clases, hace todas las operaciones bien y el pedido vino incluso del exámen para la que la necesitaba.

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    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)

    4.3

    BHD12933

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    Return and refund policies

    Product origin: United States

    Electrical items shipped from the US are by default considered to be 120v, unless stated otherwise in the product description. Contact Bolo support for voltage information of specific products. A step-up transformer is required to convert from 120v to 240v. All heating electrical items of 120v will be automatically cancelled.

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