MS used APlus (http://www.aplusdev.org/index.html http://www.aplusdev.org/index.html) a derivative of APL. I was there during the transition and a common attitu

MS used APlus (http://www.aplusdev.org/index.html http://www.aplusdev.org/index.html) a derivative of APL. I was there during the transition and a common attitude in the Fixed Income group was "You'll pry APlus out of my cold dead keyboard".