1. a parenthesis-free notation for forming mathematical expressions in which each operator follows its operands;

[syn: postfix notation, suffix notation, reverse Polish notation]

WordNet (r) 3.0 (2006):

postfix notation n 1: a parenthesis-free notation for forming mathematical expressions in which each operator follows its operands [syn: postfix notation, suffix notation, reverse Polish notation]The Free On-line Dictionary of Computing (18 March 2015):

postfix notation postfix syntax Reverse Polish Notation reverse polish syntax RPN(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. (2003-06-23)