Pi (disambiguation)
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Look up pi, π, or Π in Wiktionary, the free dictionary. |
Pi or π is a mathematical constant equal to a circle's circumference divided by its diameter.
Pi, π or Π may also refer to:
- Pi (letter), a Greek letter
Arts and media
- For people in arts and media, see § People.
Music
- "π", a song by Kate Bush from Aerial
- "Pi", a song by Hard 'n Phirm from Horses and Grasses
- Pi (instrument), a generic term for a variety of double- or quadruple-reed oboes and a free-reed pipe of traditional Thai music
- Pi Recordings, a record label
Other media
- Pi, a character in Life of Pi
- Pi, a member of Team Robo in Sega Soccer Slam
- Pi (.hack), a fictional character from the multimedia franchise .hack//G.U.
- Pi (film), a 1998 film directed by Darren Aronofsky
- Pi magazine, a student publication of the University College London Union
- Pi Studios, a video game developer
People
Surname
- Pi (surname) (Chinese: 皮), a Chinese surname
- Bi (surname) (Chinese: 毕), romanized as Pi in Wade–Giles
- Enric Pi (born 1983), Catalan footballer
- Francesc Pi i Margall (1824-1901), Catalan politician
- Jean Eugene Pi (1875-1942), Genevan photographer, migrated to San Rafael, Mendoza, Argentina.
- Jordi Sabater Pi (1922-2009), Catalan primatologist and ethologist
- Meritxell Mateu i Pi (born 1966), Andorran diplomat
- Pedro Pi (1899-1970), Spanish sailor
- Renzo Pi Hugarte (1934-2012), Uruguayan anthropologist
Given name
- Pi de Bruijn (born 1942), Dutch architect
- Pi Schwert (1892-1941), American baseball player and politician
- Pi Vèriss, Dutch songwriter and composer
Places
- Pi (state), an ancient state during China's Zhou dynasty
- Pi County, Sichuan province, China
- Pi, an integrated village of Bellver de Cerdanya, Catalonia, Spain
- Pi Islands, Palmer Archipelago, Antarctica
Science and mathematics
Chemistry and biochemistry
- Osmotic pressure or Π
- π, a measure of nucleotide diversity
- Pi, an inorganic phosphate group
- Pi bond, a chemical bond
- Isoelectric point (pI), the pH at which a particular molecule carries no net electrical charge in the statistical mean
Mathematics
- Π, a glyph representing the product of a sequence of terms
- Π0
n, a set in the arithmetical hierarchy - Π1
n, a set in the analytical hierarchy - ΠP
i, a set in the polynomial hierarchy - Π(x) (Pi function), the Gamma function when offset to coincide with the factorial
- πn(X), the nth homotopy group of X
- π-calculus, a process calculus
- Prime-counting function or π(x)
Physics
- Pion or π, a subatomic particle
Other uses
- Pi (letter), a Greek letter
- Π, for plaintiff, in legal shorthand
- Pi (prefix symbol), the prefix symbol of the binary unit prefix pebi
- Pi Day, an annual celebration of March 14 (3/14)'s relationship with the mathematical constant
- Linotype machine#Pi matrices or pi characters, uncommon characters used in typesetting
- Pali (ISO 639-1 language code "pi")
See also
- PI (disambiguation)
- P (disambiguation)
- Pie (disambiguation)
- Pai (disambiguation)
- Pye (disambiguation)
This article is issued from Wikipedia - version of the 10/19/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.