5.0 in 3.1 in  | 3.03 in 0.63 in  | |
| Available colors | ||
| User rating |
 HP 12c |  HP 20b | |
|---|---|---|
| Type | Financial calculator | Financial calculator |
| HP 12c | HP 20b | |
|---|---|---|
| Colour of product |
| Black |
| Control type | Buttons | Buttons |
| Form factor |
| HP 12c | HP 20b | |
|---|---|---|
| Width | 5.0 in | 3.03 in |
| Height | 3.1 in | 0.63 in |
| Depth | 3.11 in | 5.87 in |
| Weight | 4.09 oz | 1.32 oz |
| HP 12c | HP 20b | |
|---|---|---|
| Number of characters per line | 10 | 12 |
| Number of display lines | 1 | 2 |
| Display type | LCD | LCD |
| Display tilting | no | no |
| Second display | no | no |
| Display light | no | no |
| HP 12c | HP 20b | |
|---|---|---|
| Economic functions | yes | yes |
| HP 12c | HP 20b | |
|---|---|---|
| Power source | Battery | Battery |
| Battery operated | yes | yes |
| Battery type | CR2032 | CR2032 |
| Auto power off | yes | yes |
| Number of batteries required | 1 | 2 |
| Pros | ||
|---|---|---|
| Cons |
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