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 3 products

Close
Casio FX-991EX Calculator
Casio FX-991EX
Close
Casio FX-991MS Calculator
Casio FX-991MS
Close
Olympia CPD 5212 Calculator
Olympia CPD 5212
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 %
145
3.5 out of 5
145 user ratings
5 stars
25 %
4 stars
19 %
3 stars
33 %
2 stars
18 %
1 stars
2 %
7
3.9 out of 5
7 user ratings
5 stars
14 %
4 stars
71 %
3 stars
0 %
2 stars
14 %
1 stars
0 %

Technical details

TypeScientific calculatorScientific calculatorPrinting calculator

Design

Colour of product
  • Black
  • Black,White
GreyWhite
Control typeButtons
N/A
Buttons
Form factorPocketPocketDesktop
Digit comma separatoryes
N/A
N/A
Covernoyesno
Housing material
N/A
Plastic
N/A

Dimensions

Width3.03 in3.07 in8.66 in
Height0.44 in0.5 in3.54 in
Depth6.52 in6.08 in11.42 in
Weight3.17 oz3.7 oz56.44 oz

Display

Number of characters per line161012
Number of display lines221
Display typeLCD
N/A
N/A
Display tiltingnonono
Second displaynonono
Display lightnonoyes

Power

Power source
  • Solar
  • Battery
  • Solar
  • Battery
N/A
Battery operatedyesyes
N/A
Battery typeLR44
N/A
N/A
Number of batteries required1
N/A
N/A
External power connection
  • Solar cell
  • External source
Solar cell
External source

Often compared with Casio FX-991EX

Often compared with Casio FX-991MS