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Compare 3 products

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Casio FX-991EX Calculator
Casio FX-991EX
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Sharp EL-2128V Calculator
Sharp EL-2128V
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Texas Instruments TI-36X Pro Calculator
Available colors
User rating
318
3.3 out of 5
318 user ratings
5 stars
20 %
4 stars
18 %
3 stars
42 %
2 stars
12 %
1 stars
5 %
3
4.0 out of 5
3 user ratings
5 stars
33 %
4 stars
33 %
3 stars
33 %
2 stars
0 %
1 stars
0 %
55
3.9 out of 5
55 user ratings
5 stars
40 %
4 stars
25 %
3 stars
23 %
2 stars
10 %
1 stars
0 %

Technical details

TypeScientific calculatorFinancial calculatorScientific calculator

Design

Colour of product
  • Black
  • Black,White
SilverBlack
Control typeButtons
N/A
N/A
Form factorPocketDesktop
N/A
Digit comma separatoryes
N/A
N/A
Coverno
N/A
no

Display

Number of characters per line161216
Number of display lines2
N/A
4
Display typeLCD
N/A
N/A
Display tiltingno
N/A
no
Second displayno
N/A
no
Display lightno
N/A
no

Power

Power source
  • Solar
  • Battery
BatterySolar
Battery operatedyes
N/A
yes
Battery typeLR44LR44
N/A
Number of batteries required1
N/A
N/A
External power connection
  • Solar cell
  • External source
N/A
Solar cell

Often compared with Casio FX-991EX

Often compared with Texas Instruments TI-36X Pro