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# reverse Polish notation

an arithmetic notation in which numbers precede the operators to be applied to them.

Back in my day, we had reverse Polish notation calculators: You had to write "2 4 3 , +" instead of "2 + 4 , 3".

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• Reverse Polish notation — (or just RPN) by analogy with the related Polish notation, a prefix notation introduced in 1920 by the Polish mathematician Jan Łukasiewicz, is a mathematical notation wherein every operator follows all of its operands. It is also known as… …   Wikipedia

• Reverse Polish notation —   [engl.], umgekehrte polnische Notation …   Universal-Lexikon

• reverse Polish notation — noun Date: 1975 a system of representing mathematical and logical operations in which the operands precede the operator and which does not require the use of parentheses < (3 + 5) (2 + 1) in reverse Polish notation is expressed as 3 5 + 2 1 + >… …   New Collegiate Dictionary

• reverse Polish notation — noun a parenthesis free notation for forming mathematical expressions in which each operator follows its operands • Syn: ↑postfix notation, ↑suffix notation • Hypernyms: ↑parenthesis free notation …   Useful english dictionary

• Polish notation — Polish notation, also known as prefix notation, is a form of notation for logic, arithmetic, and algebra. Its distinguishing feature is that it places operators to the left of their operands. If the arity of the operators is fixed, the result is… …   Wikipedia

• Reverse Polish LISP — (RPL) ist eine stackbasierte Programmiersprache ähnlich FORTH, die in den Hewlett Packard Taschenrechnern wie der HP 28, HP 48 und in neueren Serien wie dem HP 49 und HP 50 Verwendung findet. Die Sprache wurde 1984 in der HP Niederlassung in… …   Deutsch Wikipedia

• Notation polonaise inversée — Notation polonaise inverse Pour les articles homonymes, voir NPI et RPN. La notation polonaise inverse (NPI) (en anglais RPN pour Reverse Polish Notation), également connue sous le nom de notation post fixée, permet de noter les formules… …   Wikipédia en Français

• Notation post-fixée — Notation polonaise inverse Pour les articles homonymes, voir NPI et RPN. La notation polonaise inverse (NPI) (en anglais RPN pour Reverse Polish Notation), également connue sous le nom de notation post fixée, permet de noter les formules… …   Wikipédia en Français

• reverse — v., adj., & n. v. 1 tr. turn the other way round or up or inside out. 2 tr. change to the opposite character or effect (reversed the decision). 3 intr. & tr. travel or cause to travel backwards. 4 tr. make (an engine etc.) work in a contrary… …   Useful english dictionary

• Notation — The term notation can refer to: Contents 1 Written communication 1.1 Biology and Medicine 1.2 Chemistry 1.3 Dance and movement …   Wikipedia