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Why RPN?

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supergems:
sometimes the pictures explain better than words ;)





reference:
https://en.wikipedia.org/wiki/Reverse_Polish_notation
https://en.wikipedia.org/wiki/RPL_(programming_language)
http://hansklav.home.xs4all.nl/rpn/

TIfanx1999:
Wow, that's really weird.

Eeems:
So TI-OS doesn't follow order of operations the way we'd expect it to. :(

Sorunome:
Why? Deviding and multiplying have same level of importance and TIOS goes from left to right rather than right to left.

supergems:
You can use the acronym PEMDAS (Parentheses Exponents Multiplication Division Addition Subtraction) to remember order of operations: https://en.wikipedia.org/wiki/Order_of_operations.
For this reason I prefer RPN calculators. ;)

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