Advertising Disclosure Casio Fx 991ex Engineering Scientific Calculator Comparison - July 2025
7 Best Casio Fx 991ex Engineering Scientific Calculator 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. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2 Best Value  9.5Excellent | 3  9.3Excellent | 4  9.0Excellent | 5  8.9Very Good | 6  8.8Very Good | 7  8.7Very Good |
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ModelCasio FX-83GTCW Black Scientific Calculator | Model Casio FX-991DE X (German) | Model Casio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural | Model Casio FX-991CW Advanced Scientific Calculator (UK Version) | Model Casio FX-991ES Plus-2nd Edition Scientific Calculator | Model Casio FX-991 CW (Italian Model) Scientific Calculator, 540 Functions and Natural Display | Model CLIUNT FX-991EX Scientific Calculator, Engineering Scientific Calculator With 552 Functions, Lcd Display Scientific Calculators for School Students |
BrandCasio | Brand CASIO | Brand Casio | Brand Casio | Brand CASIO | Brand Casio | Brand CLIUNT |
Reviews | Reviews  | Reviews | Reviews | Reviews  | Reviews | Reviews |
Features | ||||||
Worth the money 9.6 | Worth the money 9.6 | Worth the money 9.1 | Worth the money 9.3 | Worth the money 8.9 | Worth the money 8.6 | Worth the money 8.6 |
Simple to use 9.6 | Simple to use 9.6 | Simple to use 9.8 | Simple to use 9.6 | Simple to use 9.1 | Simple to use 9.1 | Simple to use 8.9 |
Battery duration 9.8 | Battery duration 9.3 | Battery duration 9.9 | Battery duration 9.6 | Battery duration 9.1 | Battery duration 9.1 | Battery duration 8.9 |
Tech Specs | ||||||
product dimensions 16.2 x 7.7 x 0.1 cm 150 g | product dimensions 16.6 x 7.7 x 1.1 cm 90 g | product dimensions 16.2 x 7.7 x 1.1 cm 95 g | product dimensions 16.2 x 7.7 x 1.1 cm 150 g | product dimensions 16.2 x 7.7 x 1.1 cm 95 g | product dimensions 16.2 x 7.7 x 1.07 cm 95 g | product dimensions 16.5 x 8 x 0.1 cm 160 g |
batteries 1 AAA batteries required. included | batteries 1 CR123A batteries required. included | batteries 1 A batteries required. included | batteries 1 LR44 batteries required. | batteries 1 LR44 batteries required. included | batteries 1 LR44 batteries required. included | batteries 1 CR2 batteries required. |
item weight 150 g | item weight - | item weight - | item weight 150 g | item weight 95 g | item weight - | item weight - |
number of items 1 | number of items - | number of items - | number of items 1 | number of items 1 | number of items - | number of items - |
manufacturer part number FX-83GTCW-W-UT | manufacturer part number - | manufacturer part number - | manufacturer part number FX-991CW-W-UT | manufacturer part number C79 | manufacturer part number - | manufacturer part number - |
material type Plastic | material type - | material type - | material type Plastic | material type Plastic | material type - | material type - |
customer reviews4.7 4.7 out of 5 stars 25, 727 ratings 4.7 out of 5 stars | customer reviews - | customer reviews - | customer reviews 4.7 4.7 out of 5 stars 9, 854 ratings 4.7 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 8, 545 ratings 4.5 out of 5 stars | customer reviews - | customer reviews - |
color Black | color - | color - | color black | color Black | color - | color - |
Available On | Available On | Available On | Available On | Available On | Available On | Available On |
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Features
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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.
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.
