Pi (stylized as π)[a] is a 1998 American surrealist psychological thriller film written and directed by Darren Aronofsky in his directorial debut. Pi was written and directed by Darren Aronofsky, and filmed on high-contrast black-and-white reversal film and earned Aronofsky the Directing Award at the 1998 Sundance Film Festival, the Independent Spirit Award for Best First Screenplay and the Gotham Open Palm Award.
The title refers to the mathematical constant pi.[b] The film is notable for its covering of an array of themes including religion, mysticism and the relationship of the universe to mathematics. The story about a mathematician and the obsession with mathematical regularity contrasts two seemingly irreconcilable entities: the imperfect, irrational humanity and the rigor and regularity of mathematics, specifically number theory.