| Miscellaneous | Description | Keystroke |
 | Clear x, y, z, y registers | escape |
 | Clear all memory registers | |
 | Clear x register | clear (on numpad) |
 | Delete last character entered or clear x register | delete or backspace |
 | Start entering exponent | page up or page down |
 | Place display into x register | enter or return |
 | Use hyperbolic functions (sinh, cosh, etc) | control |
 | Use inverse functions (asin, acos, etc) | shift |
 | Exchange x and y regsiters | left arrow or right arrow |
 | Recall last x register value | |
 | Change sign of data entered or x register | = (on numpad) |
 | Roll stack down | up arrow |
 | Roll stack up | down arrow |
