And a huge screen would be a glass door just above...
Very fun. Brings to mind other possibilities:
"Esc"
"Backspace"
"Stand by"
etc.
Maybe I missed the point, but what has this doormat to do with "AOS"?
Texas Instruments calculators are not always welcome on this forum ;-)
Regards,
Joerg
TIs are welcome if read from reverse. ;)