reverse Polish notation
- noun a set of mathematical operations written in a logical way, so that the operator appears after the numbers to be acted upon, thus removing the need for brackets
- A manner of forming mathematical or logical expressions in which the operators appear after the operands. For example, (A + B) × C, which is in infix notation, would appear as ABC+* in reverse Polish notation. Also called postfix notation, or suffix notation. Its abbreviation is RPN.