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What Is an RPN Calculator?

April 26, 2017calculator customize O'Reilly Media rpn

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What Is an RPN Calculator?

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If you keep an HP calculator on your desk, you can safely skip ahead to the next section. The rest of you should know that RPN stands for Reverse Polish Notation, which is a unique approach to solving math problems. Very briefly, RPN is a way of doing math problems with the help of a stack. You can think of a stack as some slots you can push numbers onto and pop numbers off of. The first number off will always be the last one pushed on.