Notes:
| key | action | remarks |
|---|---|---|
| H | Help | toggle help on/off |
| num-7 | overview | view the whole slide rule |
| num-4 | left side | view the left side of the slide rule |
| num-5 | central part | view the central partof the slide rule |
| num-6 | right side | view the right side of the slide rule |
| num-1 or L | Left scale-end | zoom in on the left scale end |
| num-2 or M | Mid scale | zoom in on the center of the scale |
| num-3 or R | Right scale-end | zoom in on the right scale end |
| C | Cursor | zoom in on the cursor |
| S | Slide | zoom in on the slide |
| F | Flip slide rule | flip the slide rule to view the other side |
| num-. | toggle Mode | toggle between Educational and Realistic mode |
| X | toggle coord. axes | toggle the coordinate axes on/off |
