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[edit]
- For people in arts and media, see § People.
Music[edit]
- "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[edit]
- 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
- P.I. (TV series), 2017 Singaporean TV series
People[edit]
Surname[edit]
- 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
- 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[edit]
- Pi de Bruijn (born 1942), Dutch architect
- Pi Schwert (1892-1941), American baseball player and politician
- Pi Vèriss, Dutch songwriter and composer
Places[edit]
- 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[edit]
Chemistry and biochemistry[edit]
- 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[edit]
- 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[edit]
- Pion or π, a subatomic particle
Other uses[edit]
- 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[edit]
- PI (disambiguation)
- P (disambiguation)
- Pie (disambiguation)
- Pai (disambiguation)
- Pye (disambiguation)
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This disambiguation page lists articles associated with the title Pi. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
