Reverse Polish Notation (RPN) Calculator in Python

August 5, 2025

Download rpn.zip – 741 B Introduction Through this article, I wish to demonstrate creating a Reverse Polish Notation (RPN) Calculator which can be used to evaluate postfix expressions. In a postfix operation, an operator appears after its operands. For example, an infix expression like 25 + 12 would be written as 25 12 + in the postfix notation. A postfix expression is evaluated in the order …

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