Advertising Disclosure Calculator Casio Classwiz Fx 991ex Comparison - April 2026
5 Best Calculator Casio Classwiz Fx 991ex In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
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| 1 Best Choice  9.7Exceptional | 2  9.5Excellent | 3 Best Value  9.4Excellent | 4  9.2Excellent | 5  9.0Excellent |
| View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon | View DealOn Amazon |
ModelCasio fx-991CW Advanced Scientific Calculator (UK Version) | Model Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural | Model Casio fx-991CW+ Scientific Calculator (UK Version) - Upgrade from previous fx-991CW model | Model CASIO Calculator Scientific FX 991CEX CLASSWIZ Black 12-Digit Display, 4 Languages, Hungarian, Polish, Czech, Slovak. | Model Casio FX-85DE X ClassWiz Technical and Scientific Calculator - German menu guide and notation. |
BrandCasio | Brand Casio | Brand Casio | Brand Casio | Brand Casio |
Reviews | Reviews  | Reviews | Reviews | Reviews |
Tech Specs | ||||
product dimensions16.2 x 7.7 x 1.1 cm; 150 g | product dimensions 16.2 x 7.5 x 0.25 cm; 95 g | product dimensions - | product dimensions 25.4 x 5.08 x 6.86 cm 240 g | product dimensions 16.8 x 8.2 x 1.8 cm; 90 g |
batteries1 LR44 batteries required. | batteries 1 A batteries required. (included) | batteries - | batteries - | batteries 1 LR44 batteries required. (included) |
Available On | 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
9.7
1Casio29% OffCasio fx-991CW Advanced Scientific Calculator (UK Version)
Why we love it
Widely approved for UK exams.
Dual power ensures reliability.
Advanced functions for higher education.
Main highlights- fx-991 CW is the new upgraded version of the fx-991 EX
- Ideal exam calculator for: GCSE Higher SQA Higher
- Dual powered, solar with battery back up and auto power-off
- Casio fx-991 is the UK’s best-selling ‘advanced scientific’ calculator.
- Approved for Key stages 3, 4 and 5, recommended for Advanced GCSE, A/AS level and Highers
- Allowed in every UK exam where a calculator can be used
-
9.5
2Casio17% Off
Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural
Why we love it
Easy-to-read natural display.
Dual power for reliability.
Versatile for various calculations.
Main highlights- Regression and correlation coefficient
- Natural display to insert and display numerical expressions as they appear on textbooks
- Approved for age version
- 24 brackets
- 2023232324 battery.Solar powered and battery.Dimensions: 1. 4 x 7 7 x 16.2 cm
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9.4
3Casio22% Off
Casio fx-991CW+ Scientific Calculator (UK Version) - Upgrade from previous fx-991CW model
Why we love it
Wide range of scientific functions
Upgraded features for advanced users
Handles statistics and equations easily
Main highlights- STATISTICS: mean, standard deviation, quartiles, regression
- SOLVER: simultaneous linear, polynomial, non-linear, inequalities
- FUNCTIONS: table of values (2 functions)
- Casio fx-991CW+ UK is the new upgraded version of Casio fx-991CW
- CALCULATION: arithmetic, trigonometry, logarithms, exponential, hyperbolic, equivalent ratio, complex number, vectors, matrices
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Features
Our team of experts analyzes key attributes, capabilities, significance, and many more depending on the type of product to determine its effectiveness.
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.
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.
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.
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.
