## Pi

**3.
141592653589793238462643383279 **

** The ratio of a circle’s circumference to its diameter. **** It’s decimal representation never ends or repeats. **** Not the root of any non zero polynomial having rational coefficients. **

** 5028841971693993751058209749445 **** 9230781640628620899862803482534 **

** Implies the impossibility of squaring the circle with a compass and straight edge. **** The ubiquity of pi makes it one of the most widely known mathematical constants. **** The ratio of the perimeter to the height of great pyramid at Giza is approximately 2 Pi. **

** 2117067982148086513282306647093 **** 8446095505822317253594081284811 **

** Accuracy to 39 digits are sufficient to perform most cosmological calculations. **** Its formulae are used in statistics, fractals, thermodynamics, mechanics, cosmology, number theory and electromagnetism. **

** 1745028410270193852110555964462 **** 2948954930381964428810975665933**