"Integral" is a song by English synth-pop duo Pet Shop Boys from their ninth studio album, Fundamental (2006).

The artwork for the single is a QR code, which, when scanned, gives a link to the Pet Shop Boys' website.

A statement from the band cited the issue as the reason that Neil Tennant ceased his well-publicized support of Tony Blair's Labour party.

[3] Some wording, such as 'sterile, immaculate', is drawn from Yevgeny Zamyatin's dystopian novel We, although Tennant hadn't read it when he wrote the lyrics.

[4] In the book, the inhabitants of the future One State try to build The Integral, a glass spaceship, in order to solve the cosmic equation and resolve all the problems in their One State.