| Key combination | Button equivalent | Action |
|---|---|---|
| Num+ (+) | + | Adds a number to another. |
| Num- (-) | - | Subtracts a number from another. |
| Num* | * | Multiplies 2 numbers. |
| Num/ (/) | / | Divide a number by another. |
| Escape | AC | Resets any calculation. |
| Delete | Clear | Deletes the current number. |
| Backspace | ⌫ | Removes the last inserted number. |
| F1 | Help | Opens help for the application. |
| Enter | = | Performs the calculation. |
| Ctrl + Q | Closes the application. |