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 Again" and the flute section in "There Is a Light That Never Goes Out" (originally written as a guitar part) are based on C# minor arpeggio figure. The song features an ascending F#m–A–B chord sequence that guitarist Johnny Marr took from the Rolling Stones cover of Marvin Gaye's "Hitch Hike". Marr said in 1993 that he included the figure as an "in-joke" to determine if the music press would attribute the inspiration for the part to "There She Goes Again" by the Velvet Underground, who he contended "stole" the figure from "Hitch Hike". Marr commented, "I knew I was smarter