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 O was first introduced by number theorist Paul Bachmann in 1894, in the second volume of his book "Analytische Zahlentheorie" ("analytic number theory"), the first volume of which (not yet containing big O notation) was published in 1892. The number theorist Edmund Landau adopted it, and was thus inspired to introduce in 1909 the notation o; hence both are now called Landau symbols. These notations were used in applied mathematics during the 1950s for asymptotic analysis. The symbol formula_76 (in the sense "is not an "o" of") was introduced in 1914 by Hardy and Littlewood. Hardy and Littlewood also introduced