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i didn't have practical exposure to Forth, only somewhat theoretical, but did to Postscript (yeah, that Adobe one under the PDF, printers etc). Postscript is a

i didn't have practical exposure to Forth, only somewhat theoretical, but did to Postscript (yeah, that Adobe one under the PDF, printers etc). Postscript is also RPN based.. And btw, the HP 11c "calculator" is also RPN based :) . Used it to solve some matrix things in university..

tengwar2 2y ago
Have you tried RPL (reverse Polish Lisp)? It's on later HP calculators, and it's pretty elegant for a small-machine language. The type system includes matrices and functions.