| Key | Explanation |
| Digits | 0-max for radix |
| Decimal | Point or comma (configurable) |
| m | (Minus) to change the sign |
| Enter | Finish entering digits, push stack upward |
| + - ´ / | These keys are for normal operation |
| Alt-BackSpace, Ctrl-Z | Undo |
| Alt-M | Toggle minimum/normal display |
| l (ell) | Recall Last X |
| <, > | Exchange the X and Y registers |
| Ý, ß | Roll up/Roll down stack |
| BackSpace | BackSpace / Clear X |
| Shift-Z, Shift-X | Clear stack |
| Alt-B, F5 | Binary |
| Alt-O, F6 | Octal |
| Alt-D, F7 | Decimal |
| Alt-C | Complex |
| Alt-H, F8 | Hexadecimal |
| Alt-N | Bring up configuration box |
| Alt-X, Alt-F4 | Exit |
| Ctrl-N | Toggle display of memory popup window |
| Ctrl-C/Ctrl-Ins | Copy X (as text and bitmap) to the clipboard |
| Ctrl-V/Shift-Ins | Paste (text) from the clipboard into X |
| Ctrl - 0-9 | [Numeric keypad] Store to memory register n |
| Alt - 0-9 | [Numeric keypad] Recall from memory register n |
| Ctrl-Alt - 0-9 | [Numeric keypad] Clear memory register n |
| Ctrl-Alt-M | Clear all memory registers |
| F1 | Help |
| Ctrl-F1, Alt-K | Context sensitive keyboard Help |
| Alt-space | System menu |
| Esc | Minimise window |
See also: