Per
From Wikipedia, the free encyclopedia
Per or PER can be:
- a common first name in Scandinavia. A form of Peter which means "rock" or "cliff" in Latin.
- Per (storm), a storm in Sweden, in January 2007.
- the IOC country code for Peru.
- the IATA code for Perth Airport in Western Australia.
- PE ratio, price-to-earnings ratio, used in finance.
- Player Efficiency Rating, a basketball statistic.
- Partial equivalence relation.
- Polarization extinction ratio, used in optics and telecommunications.
- Per, the gender-neutral possessive pronoun used by the inhabitants of the future feminist and anarchist utopia in Marge Piercy's novel Woman on the Edge of Time.
- Packed Encoding Rules, a set of ASN.1 encoding rules for formatting data in binary.
- Protein efficiency ratio, a method used for evaluating the quality of protein in food.
- the official abbreviation of the Western Australian Herbarium
- an acronym for Portable Employer of Record
- Perseus (constellation) (standard astronomical abbreviation)
- the stock symbol for Perot Systems Corporation
- PER (circadian clock)
- Packet Error Ratio, the ratio in data packet based communication systems between valid and invalid packets.