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Casio Fx 991ex Classwiz Scientific Calculator Comparison - April 2026

4 Best Casio Fx 991ex Classwiz Scientific Calculator In the UK

1
Best Choice
9.6Exceptional
2
Best Value
9.4Excellent
3
9.2Excellent
4
9.1Excellent
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Model

Casio fx-991CW Advanced Scientific Calculator (UK Version)
Model
Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural
Model
Casio fx-83GTCW Black Scientific Calculator
Model
Casio FX-991CW Classwiz Non-Programmable Scientific Calculator

Brand

Casio
Brand
Casio
Brand
Casio
Brand
Casio

Reviews

5,649 reviews
Reviews
8,349 reviews
Reviews
14,112 reviews
Reviews
3,894 reviews

Features

Battery duration

9.6
Battery duration
9.9
Battery duration
9.8
Battery duration
9.4

Worth the money

9.3
Worth the money
9.1
Worth the money
9.6
Worth the money
9.3

Simple to use

9.6
Simple to use
9.8
Simple to use
9.6
Simple to use
9.3

Tech Specs

product dimensions

‎16.2 x 7.7 x 1.1 cm; 150 g
product dimensions
16.2 x 7.5 x 0.25 cm; 95 g
product dimensions
‎16.2 x 7.7 x 0.25 cm; 200 g
product dimensions
16.6 x 7.7 x 0.25 cm 90 g

batteries

‎1 LR44 batteries required.
batteries
1 A batteries required. (included)
batteries
‎1 AAA batteries required. (included)
batteries
1 LR44 batteries required. included

Available On

Available On
Available On
Available On

Our Top 3 Picks

Here are the top 3 recommended products with more information to help you find the right product for you
  • 9.6
    1
    Casio
    30% Off

    Casio fx-991CW Advanced Scientific Calculator (UK Version)

    9.6 Battery Duration
    9.6 Simple to use
    9.3 worth the money

    Why we love it

    Widely approved for UK exams.
    Dual power ensures reliability.
    Advanced functions for higher education.
  • 9.4
    2
    Casio
    23% Off

    Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural

    9.9 Battery Duration
    9.8 Simple to use
    9.1 worth the money

    Why we love it

    Easy-to-read natural display.
    Dual power for reliability.
    Versatile for various calculations.
  • 9.2
    3
    Casio
    21% Off

    Casio fx-83GTCW Black Scientific Calculator

    9.8 Battery Duration
    9.6 worth the money
    9.6 Simple to use

    Why we love it

    Widely used and trusted in UK education.
    Perfect for students during exams.
    Sturdy with a protective cover.

Our ranking system

The topchoice.co.uk Team selects top-of-the-line items from a wide selection and conducts rigorous evaluations on almost all the products available on the internet. We rank each product based on how well it matches our criteria.We can ensure that the product is well-tested with the help of our expertise, experts, and artificial intelligence technology. topchoice.co.uk requires consistent care for the products we review, ensuring that our assessments are always accurate and up to date.

Features

Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
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Consumer Reviews

We ensure an evaluation of the ratings using references all over the internet for each product. With the help of our AI technology and professional review teams, we give weight to the worth of individual user experiences.
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Popularity

Popularity is an important criterion in choosing a product. Several factors contribute to the popularity of the products on our site, including prestige, relevance, reputation, news, and more.
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Value for money

topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.

When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.

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