I'm sure Mathematica is great even if I never tried it. But, to me, a large part of the appeal of a Lisp Machine environment is Lisp itself. I mean the real thi

I'm sure Mathematica is great even if I never tried it. But, to me, a large part of the appeal of a Lisp Machine environment is Lisp itself. I mean the real thing with parantheses and all, not a language inspired by, derived from, or related to Lisp. With no other language I achieved the fluency and naturalness I have with Lisp.