10-03-2013, 11:35 AM
(10-03-2013, 10:17 AM)Mayhem Wrote:(10-02-2013, 09:20 PM)arvidj Wrote: Wow, an HP calculator and RPN to calculate RPM.
That is the second time this month I've seen an old HP.
(10-02-2013, 10:25 PM)TomG Wrote: Best calculator ever devised. I bought it new in the mid 80's and pretty much use it daily.
Tom
Am I missing something here???
I hesitate in saying, probably not.
HP = Hewlett Packard
RPN = Reverse Polish Notation
RPM = Revolutions Per Minute (Oh, you probably knew that.
)Ed