# RPN

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/RPN
> Markdown URL: https://mediated.wiki/source/RPN.md
> Source: https://en.wikipedia.org/wiki/RPN
> Source revision: 1326234966
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

**RPN** may refer to:

## Science and technology

- [Real projective space](/source/Real_projective_space) (\mathbb{R}\mathrm{P}^n,), a type of topological space
- [Reverse Polish notation](/source/Reverse_Polish_notation), a.k.a. postfix notation, a mathematical notation
- [Registered Parameter Number](/source/Registered_Parameter_Number), in [MIDI](/source/MIDI)
- [Recherche en Prévision Numérique](/source/Recherche_en_Pr%C3%A9vision_Num%C3%A9rique), weather forecasting research service, Canada
- [Risk priority number](/source/Risk_priority_number) in failure analysis such as FMEA, taking into account the severity, probability and detection probability of a failure event

## Nursing

- [Registered practical nurse](/source/Registered_practical_nurse), nursing title
- [Registered psychiatric nurse](/source/Registered_psychiatric_nurse), nursing title specialising mental health

## Other uses

- [Radio Philippines Network](/source/Radio_Philippines_Network), a state-sequestered television network
- [Rosh Pina Airport](/source/Rosh_Pina_Airport) (IATA code), Israel
- *Rancangan Perumahan Negara* (National Housing Programme), [public housing in Brunei](/source/Public_housing_in_Brunei)

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Adapted from the Wikipedia article [RPN](https://en.wikipedia.org/wiki/RPN) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/RPN?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.