Circumference pi, is represented by the Greek letter . The first few decimal digits of the numerical value of are 3.141592653589793 ... Pi is defined as the ratio of a circle's circumference to its diameter : Or, equivalently, as the ratio of the circumference to twice the radius. The above formula can be rearranged to solve for the circumference: The use of the mathematical constant is ubiquitous in mathematics, engineering, and science. In "Measurement of a Circle" written circa 250 BCE, Archimedes showed that this ratio (, since he did not use the name ) was greater than 3 but less
There Is a Light That Never Goes Out from the Smiths' masterpiece third album, "The Queen Is Dead"." In 2014, "NME" listed "There Is a Light That Never Goes Out" as the 12th greatest song of all time. The website Acclaimed Music lists it as the 78th most acclaimed song of all time, and the 8th most acclaimed song of the 1980s. There is a chapter in Irvine Welsh's novel "Trainspotting" named after this song, which mentions its title directly. The song appears on the soundtrack to "(500) Days of Summer"; in the film, it is used to bring the main characters together. The song has been covered