"Paradigm" is a conveniently abstract word. I would say that RPN is part of a paradigm - and if you pardon my bias I would say the Forth paradigm, really. The

"Paradigm" is a conveniently abstract word. I would say that RPN is part of a paradigm - and if you pardon my bias I would say the Forth paradigm, really. The stack is part of a strategy of complexity reduction that start at the compiler/interpreter level.