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
A Place Called Here never expecting to become missing herself as she discovers the world where everything which has ever been lost goes to, a place called Here. Jack goes on a search for Sandy believing that she is the key to finding his brother but learning more about her personal life than he should. Meanwhile, Sandy's possessions keeps getting lost from Here but found in this world. Something is bound to happen but the both of them have yet to know what it is. She was named Sandy because when she was born, her hair had the colour of sand. Although, they turned