reverse polish notation 10 Articles Hackaday Prize Entry: DIY ARM Scientific Calculator April 20, 2017 by Rich Hawkes 59 Comments ...

There’s something about Reverse Polish Notation (RPN) and the calculators that use it. It calls to mind a time when a calculator was a serious tool, and not just a throwaway toy. Created in t… ...

A method for expressing a sequence of calculations developed by the Polish logician Jan Lukasiewicz in 1929. For example, A(B+C) would be expressed as * A + B C. In reverse Polish notation, it ...