| Command | Short Description | |
|---|---|---|
| UDEFINE | Create a user-defined unit | NEW |
| UPURGE | Delete a user-defined unit | NEW |
| UVAL | Numeric part of a unit object | |
| UBASE | Expand all unit factors to their base unit | |
| CONVERT | Convert value from one unit to another | |
| UFACT | Expose a group of units within a unit object (factor) | |
| →UNIT | Apply a unit to an object | |
| ULIST | List all user-defined units | NEW |