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Compare 4 products

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Casio FX-115ES Calculator
Casio FX-115ES
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Casio FX-87DE X Calculator
Casio FX-87DE X
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Casio FX-991DE X Calculator
Casio FX-991DE X
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Casio FX-991ES Plus Calculator
Casio FX-991ES Plus
Available colors
User rating
35
4.1 out of 5
35 user ratings
5 stars
40 %
4 stars
28 %
3 stars
28 %
2 stars
2 %
1 stars
0 %
42
4.2 out of 5
42 user ratings
5 stars
45 %
4 stars
33 %
3 stars
16 %
2 stars
4 %
1 stars
0 %
65
3.6 out of 5
65 user ratings
5 stars
24 %
4 stars
30 %
3 stars
30 %
2 stars
9 %
1 stars
4 %
298
3.4 out of 5
298 user ratings
5 stars
22 %
4 stars
19 %
3 stars
36 %
2 stars
16 %
1 stars
5 %

Technical details

TypeScientific calculatorScientific calculatorScientific calculatorScientific calculator

Design

Colour of productSilverBlackBlack
  • Grey
  • Violet,White
Control typeButtonsButtonsButtonsButtons
Housing materialPlastic
N/A
N/A
N/A
Form factorPocketPocketPocketPocket
Coveryesyesyesno
Digit comma separator
N/A
N/A
N/A
yes

Display

Number of characters per line1217
N/A
15
Number of display lines21124
Second displaynononono
Display lightnononono
Display type
N/A
LCDLCDDot-matrix
Display tilting
N/A
N/A
noyes

Power

Power source
  • Solar
  • Battery
  • Solar
  • Battery
  • Solar
  • Battery
  • Solar
  • Battery
Auto power offyes
N/A
N/A
yes
Battery operated
N/A
yesyesyes
Battery type
N/A
LR44LR44LR44
Number of batteries required
N/A
111
External power connection
N/A
Solar cell
  • External source
  • Solar cell
  • Solar cell
  • USB
  • External source

Often compared with Casio FX-115ES

Often compared with Casio FX-87DE X

Often compared with Casio FX-991DE X

Often compared with Casio FX-991ES Plus