My recent post (my other car is a cdr) brought forth the best of the high-functioning geeks that inhabit this here space. Since the thread veered off (as they always tend to do) into general computer language humor, mostly dealing with Lisp, I got to thinking about RPN (Reverse Polish Notation) and the Hewlett-Packard calculators that were popular in my post-college days working in IT around 1971 or so.Are there other FReepers that still like RPN over infix notation for math? My trusty old H-P has long since departed (wish I still had it) but I've found RpCalc to be...