The Big O (album) The Big O (album) The Big O is the fifteenth music album recorded by Roy Orbison, and according to Marcel Riesco's official Roy Orbison discography, his second for London Records in the United Kingdom. The music and backing vocals were provided by English group, the Art Movement on all tracks except for "Penny Arcade", which was a studio recording and was released as a single in 1969, peaking at #27 in the UK and would be Orbison's last UK chart success during his lifetime. "Penny Arcade" was also his biggest hit in Australia, spending four weeks at Number One around
Big O notation Big O notation Big O notation is a mathematical notation that describes the limiting behavior of a function when the argument tends towards a particular value or infinity. It is a member of a family of notations invented by Paul Bachmann, Edmund Landau, and others, collectively called Bachmann–Landau notation or asymptotic notation. In computer science, big O notation is used to classify algorithms according to how their running time or space requirements grow as the input size grows. In analytic number theory, big O notation is often used to express a bound on the difference between an arithmetical function and