We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

Compare 4 products

Close
Casio FX-991DE X Calculator
Casio FX-991DE X
Close
Casio FX-991ES Calculator
Casio FX-991ES
Close
Casio FX-991ES Plus Calculator
Casio FX-991ES Plus
Close
Casio FX115ES Calculator
Casio FX115ES
Available colors
User rating
65
3.6 out of 5
65 user ratings
5 stars
24 %
4 stars
30 %
3 stars
30 %
2 stars
9 %
1 stars
4 %
158
3.3 out of 5
158 user ratings
5 stars
25 %
4 stars
15 %
3 stars
32 %
2 stars
18 %
1 stars
6 %
298
3.4 out of 5
298 user ratings
5 stars
22 %
4 stars
19 %
3 stars
36 %
2 stars
16 %
1 stars
5 %
16
4.2 out of 5
16 user ratings
5 stars
37 %
4 stars
43 %
3 stars
18 %
2 stars
0 %
1 stars
0 %

Technical details

TypeScientific calculatorScientific calculatorScientific calculatorScientific calculator

Design

Colour of productBlack
  • Silver
  • White
  • Grey
  • Violet,White
Black
Control typeButtonsButtonsButtons
N/A
Form factorPocketPocketPocketDesktop
Coveryes
N/A
no
N/A
Digit comma separator
N/A
N/A
yes
N/A

Display

Number of display lines2242
Display typeLCDDot-matrixDot-matrix
N/A
Display tiltingnonoyes
N/A
Second displaynonono
N/A
Display lightnonono
N/A
Number of characters per line
N/A
121512

Often compared with Casio FX-991DE X

Often compared with Casio FX-991ES

Often compared with Casio FX-991ES Plus

Often compared with Casio FX115ES