Dictionary:Reverse Polish

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1. The scheme for entering data into Hewlett-Packard hand computers; the sequence for A+B would be: ‘‘A, enter, B, add,’’ as opposed to the sequence used with Texas Instruments computers, where the sequence would be: ‘‘A, add, B.’’ 2. A method used in parsing computer language statements into operator and operand stacks (last in, first out buffers). Operators and operands are pushed onto their respective stacks in reverse order of execution so they can be popped off the stacks in correct order.