This website is a clone of OTD.KR - it only exists to maintain the historical information that OTD once housed, and to act as a monument to this incredible, passionate community. Nothing presented here is the original work of kbdarchive.org
The Greek is used for mathematical notations. Apparently one can type 8000 different characters with this keyboard:
http://en.wikipedia.org/wiki/Space-cadet_keyboard
There is a small community with people running LISP machines. This guy for example is still selling hardware:
http://www.asl.dsl.pipex.com/symbolics/index.html
이거슨 에이리언1탄에 나오는 키보드 같네요!!
멋집니다!!