>RPN Overview: http://www.hp.com/calculators/articles/rpn.html > >Having used both RPN and algebraic calculators I find RPN superior. You can still buy a few RPN models today. Mine is an HP29C I bought in 1978 ( http://www.hpmuseum.org/hp29.htm ). Besides RPN, this particular model has the unmatched keyboard quality of the early HP calculators. > >When I was going to university there was great competition between the established HP and the upcomer TI, which made less expensive calculators that used algebraic notation. HP issued a marketing T-shirt, which simply said
Enter > =
where both Enter and = looked like the respective keys on the respective calculators. Same sort of argument you see between Apple and Windows today.
Agreed on RPN. I still have my HP-41C from the 70's
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