Casio FX-991ES Plus-2 Scientific Calculator
Casio FX-991ES Plus-2 Scientific Calculator
Casio FX-991ES Plus-2 Scientific Calculator
Casio FX-991ES Plus-2 Scientific Calculator
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Casio FX-991ES Plus-2 Scientific Calculator
Casio FX-991ES Plus-2 Scientific Calculator
Casio FX-991ES Plus-2 Scientific Calculator
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
Artigo n.º: 29860697

Casio FX-991ES Plus-2 Scientific Calculator

89% of respondents would recommend this to a friend

Artigo n.º: 29860697

XOF 34338

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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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O que se Destaca

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.

Detalhes do produto

Shop the latest Casio FX-991ES Plus-2 Scientific Calculator at Ubuy Guinea-Bissau. 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
BrandCasio
Model NameFX 991ES
ManufacturerCASIO
Number of Items1
Item Weight100 g
Model NumberFX-991ESPLUS-2SETD
Mfr Part NumberFX-991ESPLUS-2SETD
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)

Quem Deverá Comprar?

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.

DESCRIÇÃO DO PRODUTO

Tem alguma Dúvida? Converse connosco

Perguntas e respostas do cliente

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

    Resposta: 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.
  • Pergunta: Is the Casio FX-991ES PLUS-2 suitable for university-level calculations?

    Resposta: 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.
  • Pergunta: Can the Casio FX-991ES PLUS-2 perform statistical analysis?

    Resposta: 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.
  • Pergunta: What kind of batteries does the Casio FX-991ES PLUS-2 use?

    Resposta: 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.
  • Pergunta: Does the Casio FX-991ES PLUS-2 come with a warranty?

    Resposta: 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.
  • Pergunta: How does the natural textbook display feature work in the Casio FX-991ES PLUS-2?

    Resposta: 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.
  • Pergunta: Is the Casio FX-991ES PLUS-2 easy to use for beginners?

    Resposta: 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.
  • Pergunta: Can I use the Casio FX-991ES PLUS-2 for engineering calculations?

    Resposta: 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.
  • Pergunta: What types of problems can I solve with the Casio FX-991ES PLUS-2?

    Resposta: 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.
  • Pergunta: Where can I buy the Casio FX-991ES PLUS-2 Scientific Calculator in Guinea-Bissau?

    Resposta: You can purchase the Casio FX-991ES PLUS-2 Scientific Calculator in Guinea-Bissau 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

Casio FX-991ES Plus-2 Scientific Calculator is an essential tool for students, particularly beneficial for those entering algebra, thanks to its wide range of features including fractional calculations and a simple equation solver. Users have noted its ease of use, making it favorable for 6th graders and even university students tackling complex math courses. With a solid build and quality buttons, this lightweight calculator provides reliable performance. However, it is important to note that if graphing is a key requirement, this model does not support that function, limiting its usability for some advanced math tasks.

Avaliações e Classificações dos Clientes

333 classificações de clientes
  • 5 Estrela
    76%
  • 4 Estrela
    15%
  • 3 Estrela
    5%
  • 2 Estrela
    2%
  • 1 Estrela
    2%

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Prós

  • Ideal for 6th grade math and algebra.
  • Includes fraction and simple equation solving features.
  • Lightweight design at only 100 grams.
  • Excellent build quality and button responsiveness.
  • Battery powered with included lithium ion battery.

Contras

  • Does not support graphing features.

CONFIANÇA NA PLATAFORMA E SEGURANÇA DO COMPRADOR

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“Fast, convenient and cheap. Great store!”

27 August 2026 · via Trustpilot
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XOF 34338

Encomende já e receba por volta de Sexta-Feira, Setembro 18

Qtd.:

Restam apenas 5 artigos em stock.
Transação seguraTransação segura

Em conformidade com a norma PCI DSS e com certificação ISO 27001:2022, com pagamentos encriptados e proteção total do comprador em todas as encomendas.

Os nossos principais Parceiros Logísticos
  • fedex
  • dhl
Entrega internacional mais rápida

Recursos e benefícios

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

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