<language> (Or "Reverse Polish Notation", RPN) One of the possible
orderings of functions and operands: in postfix notation the functions are
preceded by all their operands. For example, what may normally be written as
"1+2" becomes "1 2 +". Postfix notation is well suited for stack based
architectures but modern compilers reduced this advantage considerably.
The best-known language with postfix syntax is FORTH. Some Hewlett-Packard
calculators use it, e.g. HP-25, HP-29C, HP-41C, HP-23SII.
Compare: infix notation, prefix notation.
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