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Best Casio 991exes of 2026
Best Choice
1
CasioCasio fx-CG100 Colour Graphing Calculator (UK Version) - Upgrade from previous fx-CG50 model
15% Off
9.7
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
2
CasioCASIO Calculator Scientific FX 991CEX CLASSWIZ Black 12-Digit Display, 4 Languages, Hungarian, Polish, Czech, Slovak.
9.5
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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Value for Money
3
CasioCasio fx-991CW+ Scientific Calculator Black (UK Version) - Upgrade from Previous fx-991CW Model
19% Off
9.4
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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4
CasioCasio fx-991CW including a WYNGS protective case in Black - Basic Set
9.3
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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5
CasioCasio fx-991ES Plus 2 Scientific Calculator with 417 Functions and Display, Natural
9.1
Excellent
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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6
CasioCasio FX-991ES PLUS-2 Scientific Calculator
8.9
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
7
CasioCasio fx-991CW+ including a protective case in Black - Basic Set
8.8
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
8
CasioCasio fx-991CW+ including a protective case in Red - Basic Set
8.7
Very Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
9
CasioCasio FX-991ES Plus 2nd Edition Scientific Calculator + WYNGS Protective Case Black
8.4
Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
10
CasioCasio FX-991 CW (Italian Model) Scientific Calculator, 540 Functions and Natural Display
8.3
Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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