Function+D - Address book
Function+F - File manager (for disk)
(on menu E Edit, D delete, D delete marked files, R (rename), C (copy files to memory), N (make new directory), F (format disk), SHIFT+CONTROL+H to toggle display of hidden files)
Function+G - games
Function+L - lapcat data transfer
Function+C - Calendar
Function+N - new document (wordprocessing)
Function+X - change file display options (from main menu)
Holding [Function][Control][Symbol] and then pressing the power key will cause the machine's self test mode to begin with the general test and then continue with the disc drive test.