Ironically, the usage would have been valid as a non-compound term if it had been describing the person rather than the device:
To use the calculator, one must adopt an unconventional operating system called "Reverse Polish Notation".
http://en.wikipedia.org/wiki/Reverse_Polish_notation
It's not as fun as it sounds. Advent Axys, a portfolio management system I used to work with, has a whole reporting language called RepLang that uses notation like this.
Fun fact: Advent Software[1] was the second largest software company in San Francisco as of 2007 - not sure if that's still the case.
Re:Wall Street's Cult Calculator Turns 30
by monochromatic on Tuesday May 03, 2011 @10:29PM
(#2512552)
Also, "H-P"
It runs on an unconventional operating system called "Reverse Polish Notation,"
Now I need to go and dig up my 15c