Word.ws English Dictionary

RPN

RPN is the initialism of reverse Polish notation.

RPN is the initialism of risk priority number.

RPN is the initialism of Radio Philippines Network.

Meaning of reverse Polish notation

Noun

reverse Polish notation (uncountable)

  1. An arithmetic notation in which numbers precede the operators to be applied to them.
    • Back in my day, we had reverse Polish notation calculators: You had to write "2 4 3 * +" instead of "2 + 4 * 3".

Questions about RPN

What is RPN the initialism of?
RPN is the initialism of reverse Polish notation.

Words near RPN in the dictionary

  1. RPK
  2. RPL
  3. rpm
  4. rpm's
  5. rpms
  6. RPN
  7. RPO
  8. RPOs
  9. RPP
  10. RPPs
  11. RPQ

Source and license

Adapted from Wiktionary: RPN (page history and authors); reverse Polish notation (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “RPN.” Word.ws, https://word.ws/rpn. Based on Wiktionary, CC BY-SA 4.0.