If you delve into the documentation of Xerox PARC (Cedar, Interlisp-D, Smalltalk) and later Lisp Machines vendors, their environments already offered many of the Wolfram features.
This is why I like it so much, even if it is commercial. After all I used to pay for my compilers.
This is why I like it so much, even if it is commercial. After all I used to pay for my compilers.