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Reverse Polish Notation


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I was just wondering, does anybody here other than me use RPN (or RPL*) calculators?

For those who don't know about RPN, it is a method of expressing mathematical statements without needing parentheses, and it is quite handy as an input method on a calculator. Instead of pressing two numbers with an operator between them and then the equals key, you enter the two numbers (separated by ENTER) and then the operator. Ever since I learned RPN, I have vastly preferred RPN calculators it to normal calculators.

If you use calculators a lot and haven't heard of RPN, look it up. If it clicks with you, and you can find a good RPN calculator, I'm sure you will be very pleased.


*RPL is a programming language that can be used like RPL, but is more powerful.

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