reverse Polish notation

noun

Definition of reverse Polish notation 

: 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 + −

called also postfix notation

First Known Use of reverse Polish notation

1957, in the meaning defined above

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The first known use of reverse Polish notation was in 1957

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