Casio FX-991ES Plus-2 Scientific Calculator
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Casio FX-991ES Plus-2 Scientific Calculator
The natural display shows mathematical expressions such as roots and fractions that appear in your textbook, and this increases understanding because the results are easier to understand.
Casio FX-991ES Plus-2 Scientific Calculator
товар №: 29860697

Casio FX-991ES Plus-2 Scientific Calculator

товар №: 29860697

TJS 543

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The natural display shows mathematical expressions such as roots and fractions that appear in your textbook, and this increases understanding because the results are easier to understand.
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What Stands Out

Advanced Functions
The Casio FX-991ES PLUS-2 offers over 500 functions, including complex numbers and calculus, addressing a wide range of mathematical needs for students and professionals alike.
Solar and Battery
Equipped with both solar and battery power, this calculator ensures reliability and longevity, making it a practical choice for extended use in classrooms and exams.
User-Friendly Design
Featuring a clear, intuitive interface and natural display, the FX-991ES PLUS-2 enhances user experience, making it easy for anyone to perform complex calculations effortlessly.

Информация о продукте

Shop the latest Casio FX-991ES Plus-2 Scientific Calculator at Ubuy Tajikistan. Fast Shipping & Easy Returns. Get the best deals on scientific calculators today!
  • Casio FX-991ES Plus-2 Scientific Calculator
  • Features natural display (natural-v.p.a.m.) for mathematical expressions
  • Displays roots and fractions to increase understanding
  • Results are easier to comprehend
  • Ideal for students and professionals
  • Enhances mathematical problem-solving
Calculator TypeEngineering/Scientific
Power SourceBattery Powered
Screen Size2 Centimeters
Number of Batteries1 Lithium Ion batteries required. (included)
Display TypeLCD
ColorBlack
Enclosure MaterialPlastic
Item Dimensions L x W19.69"L x 19.69"W (50 cm)
BrandCasio
Model NameFX 991ES
ManufacturerCASIO
Mfr Part NumberFX-991ESPLUS-2SETD
Model NumberFX-991ESPLUS-2SETD
Item Weight100 Grams

Who Should Buy?

Suitable For
  • Students in STEM

    Ideal for high school and college students studying mathematics, physics, or engineering due to its extensive functions.

  • Professionals

    Useful for engineers, scientists, and mathematicians requiring advanced calculations and formulas in their daily tasks.

  • Examinations

    Approved for use in various standardized tests, providing reliability and compliance with examination regulations.

Not Suitable For
  • Casual Users

    Not ideal for simple arithmetic needs; basic calculators are more user-friendly and sufficient for everyday calculations.

ОПИСАНИЕ ТОВАРА

Casio FX-991ES Plus-2 Scientific Calculator

Есть вопрос? Пообщайтесь с нами в чате

Вопросы и ответы клиентов

  • вопрос: What are the key features of the Casio FX-991ES PLUS-2 Scientific Calculator?

    отвечать: The Casio FX-991ES PLUS-2 is equipped with a range of advanced features including 552 functions, natural textbook display for easily readable equations, and USB connectivity for data transfer. It supports a variety of calculations from algebra and calculus to complex number operations and statistical analysis. These features cater to high school and university students, making it ideal for subjects such as mathematics, physics, and engineering. Its durability and battery life also enhance usability, allowing for extended period studies without frequent battery changes.
  • вопрос: Is the Casio FX-991ES PLUS-2 suitable for university-level calculations?

    отвечать: Absolutely! The FX-991ES PLUS-2 is designed to handle complex calculations required in university courses. It includes advanced functions such as derivatives, integrals, and matrices that are essential for higher education studies in mathematics and science. Furthermore, its multi-replay function allows students to review previous calculations, making it easier to learn and apply concepts. Whether you're finding limits or solving equations, this calculator is an excellent companion for university students.
  • вопрос: Can the Casio FX-991ES PLUS-2 perform statistical analysis?

    отвечать: Yes, the FX-991ES PLUS-2 can perform a wide range of statistical analyses. It includes functions for calculating mean, standard deviation, regression analysis, and more. These capabilities are crucial for students in statistical courses or in fields that require data analysis. You can use this calculator to streamline your homework and projects, allowing you to focus more on understanding concepts rather than calculating values manually.
  • вопрос: What kind of batteries does the Casio FX-991ES PLUS-2 use?

    отвечать: The Casio FX-991ES PLUS-2 operates on solar power with a backup battery system. This means that it utilizes natural or artificial light to function, reducing the need for regular battery replacements. The solar feature is especially useful during long study sessions or exams where power outlets may not be available. However, in low-light conditions, the battery ensures that you can keep using the calculator without interruption.
  • вопрос: Does the Casio FX-991ES PLUS-2 come with a warranty?

    отвечать: Yes, the Casio FX-991ES PLUS-2 typically comes with a manufacturer's warranty, which varies by region. This warranty usually covers defects in materials and workmanship, giving you peace of mind with your purchase. It's always advisable to check the warranty terms before buying. Additionally, the brand's reputation for quality generally assures customers of the product's longevity and performance under regular use.
  • вопрос: How does the natural textbook display feature work in the Casio FX-991ES PLUS-2?

    отвечать: The natural textbook display of the FX-991ES PLUS-2 presents equations and fractions in the same format as they appear in textbooks, which makes them easier to read and understand. This display format reduces the learning curve for students new to scientific calculators as they can directly relate numbers and symbols as they are traditionally taught. This feature is particularly beneficial in exams where clarity is crucial.
  • вопрос: Is the Casio FX-991ES PLUS-2 easy to use for beginners?

    отвечать: Yes, the Casio FX-991ES PLUS-2 is designed with user-friendliness in mind, even for those who are new to scientific calculators. The layout of buttons is logical, and many functions are accessible with just a few keystrokes. Additionally, the comprehensive manual provided offers clear instructions on how to utilize the functions effectively. Whether you're in high school or just starting university, this calculator supports your learning journey without being overwhelming.
  • вопрос: Can I use the Casio FX-991ES PLUS-2 for engineering calculations?

    отвечать: Certainly! The FX-991ES PLUS-2 is well-suited for engineering calculations. It supports a variety of functions including complex numbers, vector calculations, and matrix operations, which are essential in fields like mechanical and civil engineering. The calculator’s ability to handle multi-dimensional calculations and convert units helps engineers tackle real-world problems effectively in academic and professional settings.
  • вопрос: What types of problems can I solve with the Casio FX-991ES PLUS-2?

    отвечать: The Casio FX-991ES PLUS-2 can solve a plethora of mathematical problems, from basic arithmetic and algebra to advanced functions in calculus and statistics. It can handle equations, inequalities, probability distributions, and even graphical representations. Whether you're working on homework, preparing for exams, or conducting research, this calculator simplifies problem-solving, making it a versatile tool for both students and professionals.
  • вопрос: Where can I buy the Casio FX-991ES PLUS-2 Scientific Calculator in Tajikistan?

    отвечать: You can purchase the Casio FX-991ES PLUS-2 Scientific Calculator in Tajikistan through Ubuy. Ubuy offers a reliable online shopping platform where you can find this calculator along with a range of other electronic products. They provide easy navigation, secure payment options, and reliable shipping services, ensuring that you get your calculator delivered without any hassle.

Casio Scientific FX-991ESPLUS-2SETD Editorial Review

The Casio FX-991ES Plus-2 Scientific Calculator is a highly functional and user-friendly device suitable for both college and high school students. It provides all the tools and functions that one may need, making complex calculations look effortless. The calculator has been designed with high-quality buttons that make typing much simpler compared to other calculators. It is also an excellent option for those taking the ACT as it is easy to use and facilitates faster calculations. The calculator has a high price point, but it is certainly reasonable. Considering its vast array of features and tools, it is well worth the cost. The device is durable and efficient, making it an excellent investment for anyone looking for a reliable calculator.

Customer Reviews & Ratings

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1 оценки клиентов
  • 5 звезда
    100%
  • 4 звезда
    0%
  • 3 звезда
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  • 2 звезда
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  • 1 звезда
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Плюсы

  • Highly functional and user-friendly
  • Has all the necessary tools and functions
  • Easy to use with high-quality buttons
  • Durable and efficient

Минусы

  • Higher price point compared to some competitors

Platform Trust & Buyer Confidence

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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”

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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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TJS 543

Закажите сейчас и получите товар приблизительно Пятница, Июль 31

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Fastest cross-border delivery

Особенности и преимущества

  • Natural display increases understanding.
  • Shows mathematical expressions like roots and fractions.
  • Results are easier to understand.

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Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.