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HP 20b Calculator
HP 20b
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HP 30b Calculator
HP 30b
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Sharp EL-2128V Calculator
Sharp EL-2128V
Available colors
User rating
36
4.3 out of 5
36 user ratings
5 stars
38 %
4 stars
47 %
3 stars
13 %
2 stars
0 %
1 stars
0 %
41
4.1 out of 5
41 user ratings
5 stars
36 %
4 stars
41 %
3 stars
19 %
2 stars
2 %
1 stars
0 %
3
4.0 out of 5
3 user ratings
5 stars
33 %
4 stars
33 %
3 stars
33 %
2 stars
0 %
1 stars
0 %

Technical details

TypeFinancial calculatorBasic calculatorFinancial calculator

Design

Colour of productBlackSilverSilver
Control typeButtons
N/A
N/A
Form factorPocketPocketDesktop

Dimensions

Width3.03 in3.03 in5.51 in
Height0.63 in5.87 in1.04 in
Depth5.87 in0.63 in7.76 in
Weight1.32 oz4.06 oz8.82 oz

Display

Number of characters per line12812
Number of display lines22
N/A
Display typeLCD
N/A
N/A
Display tiltingnono
N/A
Second displayno
N/A
N/A
Display lightno
N/A
N/A

Power

Power sourceBatteryBatteryBattery
Battery operatedyesyes
N/A
Battery typeCR2032CR2032LR44
Auto power offyes
N/A
N/A
Number of batteries required22
N/A