Casio FX991EX Classwiz Scientific Calculator
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Casio FX991EX Classwiz Scientific Calculator
With an astonishing 552 functions at your fingertips, this advanced engineering scientific calculator is built to tackle complex calculations and provide solutions across various disciplines.
Casio FX991EX Classwiz Scientific Calculator
Artigo n.º: 222159806

Casio FX991EX Classwiz Scientific Calculator

90% of respondents would recommend this to a friend

Artigo n.º: 222159806

STD 570575

Detalhes do Preço

Excluindo custos de envio e alfandegários ( Os custos de envio e alfandegários serão calculados na finalização da compra )

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Encomende já e receba por volta de Monday, Setembro 28
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With an astonishing 552 functions at your fingertips, this advanced engineering scientific calculator is built to tackle complex calculations and provide solutions across various disciplines.
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O que se Destaca

Extensive Functions
With 552 built-in functions, the Casio FX-991EX supports diverse calculations, making it ideal for engineering, mathematics, and science students, addressing complex problems effectively.
High-Resolution Display
Equipped with a high-resolution LCD, the calculator presents graphs and equations clearly, enhancing visibility and user experience compared to standard scientific calculators.
User-Friendly Interface
Designed with an intuitive layout, the Casio FX-991EX simplifies navigation and operation, allowing quick access to functionalities and reducing the learning curve for users.

Detalhes do produto

Shop Casio FX991EX Classwiz Scientific Calculator online at a best price in São Tomé and Príncipe. 298286002034
BrandCasio
GTIN0079767032593, 0809787035195, 0809394579433
Height0.43in. (1.1 cm)
Weight0.19lbs. (90 grams)

Quem Deverá Comprar?

Suitable For
  • Engineering Students

    Ideal for students studying engineering courses needing advanced calculations and multiple functions for complex problems.

  • Math Professionals

    Great for professional mathematicians who require a reliable calculator with extensive functionality for various mathematical operations.

  • High School Students

    Perfect for high school students preparing for exams who need a versatile scientific calculator for coursework and tests.

Not Suitable For
  • Basic Users

    Not suitable for users requiring only basic arithmetic functions, as it offers complex features that may confuse them.

DESCRIÇÃO DO PRODUTO

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Perguntas e respostas do cliente

  • Pergunta: What makes the Casio Fx-991EX ClassWiz suitable for students?

    Resposta: Its range of 552 functions and user-friendly features support both basic and advanced mathematical studies, making it ideal for learners at all levels.
  • Pergunta: Is the calculator easy to use in different lighting conditions?

    Resposta: Yes, the sleek LCD display is complemented by a backlight feature, ensuring readability in dim or bright environments.
  • Pergunta: How portable is the Casio Fx-991EX ClassWiz?

    Resposta: Weighing only 1.2 lbs, it’s compact and fits easily in a backpack, making it convenient for on-the-go calculations.

casio Editorial Review

The Casio FX991EX Classwiz Scientific Calculator has received a range of reactions from customers, highlighting both its strengths and weaknesses. Many users appreciate the calculator’s advanced features, such as the ability to store multiple values in variable memory and the inclusion of numerous pre-programmed Constants, which enhance usability and streamline calculations. The clear display that shows both the entered formula and the result is also a notable feature that some users find attractive for better understanding their calculations. However, there are several critiques aimed at its design and ergonomics. A common complaint is that while the calculator offers modern functionality, it lacks the portability of older models, with some users feeling that it is too large for convenient carriage. Additionally, the key design has received unfavorable feedback; users describe the keys as feeling like "chiclets" and making an undesirable rattling noise. The visibility of alternative key labels has also been criticized due to a mottled surface texture that obscures readability, particularly in low lighting conditions. Lastly, the slip-on cover has drawn negative remarks for being loose and unreliable. Despite these criticisms, many users express satisfaction with the calculator's performance and features, suggesting that it fulfills its purpose effectively, particularly for students and professionals who require a reliable scientific tool. **

Avaliações e Classificações dos Clientes

1 classificações de clientes
  • 5 Estrela
    100%
  • 4 Estrela
    0%
  • 3 Estrela
    0%
  • 2 Estrela
    0%
  • 1 Estrela
    0%

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Prós

  • Extensive range of useful functions and pre-programmed Constants
  • Ability to save and edit formulas
  • Clear display for simultaneous viewing of formulas and results
  • Overall good value for the price

Contras

  • Larger size than previous models, affecting portability

CONFIANÇA NA PLATAFORMA E SEGURANÇA DO COMPRADOR

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4.2/5 9300 + avaliações
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“Easy to use and always helpful and sorts any issues I've had past and present”

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“Fast, convenient and cheap. Great store!”

27 August 2026 · via Trustpilot
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STD 570575

Encomende já e receba por volta de Monday, Setembro 28

Qtd.:

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Os nossos principais Parceiros Logísticos
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Recursos e benefícios

  • 552 functions for tackling complex calculations.
  • User-friendly LCD display with backlight for clear visibility.
  • Eco-friendly solar-powered and battery-operated design.
  • Portable and lightweight, ideal for students and professionals.
  • Advanced features for higher education in mathematics and engineering.
  • Versatile applications enhancing problem-solving skills across disciplines.

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