Pi (disambiguation)

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

Places

Pi (state), an ancient state during China's Zhou dynasty
Pi, Catalonia, an integrated village of Bellver de Cerdanya, Catalonia, Spain
Pi County, Sichuan province, China
Pi Islands, Palmer Archipelago, Antarctica
P.I. or Philippine Islands

People

Surname

Bi (surname) (Chinese: 毕), romanized as Pi in Wade–Giles
Pi (surname) (Chinese: 皮), a Chinese surname
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
Ot Pi (born 1970), Catalan mountain bike trials rider
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

Arts, entertainment, and media

Fictional characters

Pi (.hack), a fictional character from the multimedia franchise .hack//G.U.
Pi, a character in Life of Pi
Pi, a member of Team Robo in Sega Soccer Slam

Films

Pi (film), a 1998 film directed by Darren Aronofsky
Life of Pi (film), a 2012 film based on Yann Martel's 2001 novel of the same name

Music

Pi (instrument), a generic term for a variety of double- or quadruple-reed oboes and a free-reed pipe of traditional Thai music
"π", a song by Kate Bush from Aerial
"Pi", a song by Hard 'n Phirm from Horses and Grasses
Pi Recordings, a record label

Other arts, entertainment, and media

P.I. (TV series), 2017 Singaporean TV series
Pi magazine, a student publication of the University College London Union
Pi Studios, a video game developer

Science and mathematics

Chemistry and biochemistry

π, a measure of nucleotide diversity
Π or Osmotic pressure
P_i, an inorganic phosphate group
Isoelectric point (pI), the pH at which a particular molecule carries no net electrical charge in the statistical mean
Pi bond, a chemical bond

Logic and computer science

∏, the symbol for maxterm notation in Karnaugh mapping
Raspberry Pi, a single-board computer

Mathematics

$Π$ , a glyph representing the product of a sequence of terms
$Π 0 n$ , a set in the arithmetical hierarchy
$Π 1 n$ , a set in the analytical hierarchy
$Π P i$ , a set in the polynomial hierarchy
$Π (x)$ (Pi function), the Gamma function when offset to coincide with the factorial
$π n (X)$ , the $n$ th 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 (prefix symbol), the prefix symbol of the binary unit prefix pebi
Π, for plaintiff, in legal shorthand
Π, stands for Pierikos F.C. kit logo
Linotype machine#Pi matrices or pi characters, uncommon characters used in typesetting
Pali (ISO 639-1 language code "pi")
Pi Day, an annual celebration of March 14 (3/14)'s relationship with the mathematical constant

See also

This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.