The niladic system function ŒAI returns a result which gives a statement of the computer facilities the current APL task has used during the current APL session. It consists of 7 numbers representing respectively:
User number CPU time used by this APL task Connect time Keyboard unlock time APL version number Month to-date CPU time * Month to-date connect time *
* (or this session's CPU and connect time, depending on the implementation.)
All times are in milliseconds. By default, the user number is 1000.