The best rummage sale purchase I ever made was a piece of hardware that used Reverse Polish Notation. I know what you’re thinking… RPN sounds like a sales gimmick and I got taken for a fool.

It’s stack-based, for a start, and also uses Reverse Polish Notation for performing operations. The major difference though is that programs process single letters at a time, with each letter ...

The now classic “Reverse Polish Notation” (RPN) first used in the HP-35 has become the most efficient way known to computer science for evaluating mathematical expressions. # In the first ...

For example, A(B+C) would be expressed as * A + B C. In reverse Polish notation, it would be A B C + *. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.