Phi

Phi

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Phi may refer to:

In language:
  • Phi
    Phi (letter)
    Phi , pronounced or sometimes in English, and in modern Greek, is the 21st letter of the Greek alphabet. In modern Greek, it represents , a voiceless labiodental fricative. In Ancient Greek it represented , an aspirated voiceless bilabial plosive...

    , the Greek
    Greek language
    Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

     letter Φ,φ, the symbol for voiceless bilabial fricative
    Voiceless bilabial fricative
    -See also:* List of phonetics topics...



In mathematics:
  • The Golden ratio
    Golden ratio
    In mathematics and the arts, two quantities are in the golden ratio if the ratio of the sum of the quantities to the larger quantity is equal to the ratio of the larger quantity to the smaller one. The golden ratio is an irrational mathematical constant, approximately 1.61803398874989...

  • Euler's totient function
    Euler's totient function
    In number theory, the totient \varphi of a positive integer n is defined to be the number of positive integers less than or equal to n that are coprime to n In number theory, the totient \varphi(n) of a positive integer n is defined to be the number of positive integers less than or equal to n that...

  • A statistical measure of association reported with the chi-squared test
  • A function in static single assignment form
    Static single assignment form
    In compiler design, static single assignment form is a property of an intermediate representation , which says that each variable is assigned exactly once...



In science:
  • Phi phenomenon
    Phi phenomenon
    The phi phenomenon is an optical illusion defined by Max Wertheimer in the Gestalt psychology in 1912, in which the persistence of vision formed a part of the base of the theory of the cinema, applied by Hugo Münsterberg in 1916....

     in visual perception
  • The symbol for magnetic flux
    Magnetic flux
    Magnetic flux , is a measure of the amount of magnetic B field passing through a given surface . The SI unit of magnetic flux is the weber...

  • Phi meson
    Phi meson
    In particle physics, the phi meson is a vector meson formed of a strange quark and a strange antiquark. It has a mass of .-Overview:-See also:*Charmonium*List of mesons*List of particles*Quark model...

  • The symbol of the Krumbein phi scale
    Particle size (grain size)
    Particle size, also called grain size, refers to the diameter of individual grains of sediment, or the lithified particles in clastic rocks. The term may also be applied to other granular materials. This is different from the crystallite size, which is the size of a single crystal inside the...

     for the size of a particle or sediment


In computer science:
  • In compiler design, a phi function is used in the process of calculating a static single assignment form
    Static single assignment form
    In compiler design, static single assignment form is a property of an intermediate representation , which says that each variable is assigned exactly once...


Elsewhere:
  • Princeton's Senior Class Society, Phi
  • Phi, Thai
    Culture of Thailand
    The Culture of Thailand incorporates cultural beliefs and characteristics indigenous to the area known as modern day Thailand coupled with much influence from ancient India, China, Cambodia, along with the neighbouring pre-historic cultures of Southeast Asia...

     demon spirits, such as Phi Song Nang (succubi
    Succubus
    In folklore traced back to medieval legend, a succubus is a female demon appearing in dreams who takes the form of a human woman in order to seduce men, usually through sexual intercourse. The male counterpart is the incubus...

    )
  • Burgess' Symbol
    Gender symbol
    A gender symbol is a symbol used to denote the sex of a life form or to characterize an agent by gender.The two standard gender symbols denoting male ♂ and female ♀ are derived from astrological symbols, denoting the classical planets Mars and Venus, respectively.These symbols have been in use...

     (♀)
  • Phi, a village in Sesant
    Sesant
    Sesant is a commune in Ou Ya Dav District in northeast Cambodia. It contains three villages and has a population of 921. In the 2007 commune council elections, all five seats went to members of the Cambodian People's Party. The land alienation rates in Sesant was moderate as of January 2006....

    , Cambodia
  • Kamen Rider Phi
  • Phi (album)
    Phi (album)
    Phi is the tenth studio album of the Japanese duo KinKi Kids. It is the first album by KinKi Kids to have a Greek-lettered title, rather than the traditional Latin-lettered album title.-Track list:-Charts:-External links:*...

    , a studio album by KinKi Kids
  • Protected health information
    Protected health information
    Protected health information , under the US Health Insurance Portability and Accountability Act , is any information about health status, provision of health care, or payment for health care that can be linked to a specific individual...

    , a legal description of health information under the US act HIPAA