You Can Approximate Pi by Dropping Needles on the Floor

Pi Day occurs on March 14, march 14 is Pi Day celebrated for the digits 3/14.

Pi is the ratio of circumference to diameter, pi is the ratio of a circle's circumference to its diameter.

Has been computed to 314 trillion decimal places, pi has been calculated to 314 trillion decimal places without terminating.

NASA uses 15 decimal places of pi for navigation, nASA uses the first 15 decimal places of pi for spacecraft navigation.

Buffon's needle was proven in 1777 by George Louis Leclerc, Comte de Buffon, the needle probability method was proven in 1777.