Street Parking: Metered parking available on Charles St. $1.25 per hour; 2 hour maximum before having to move to a different meter. Valet parking: Available starting at 5 PM daily. Valet charge is $20. Garage Parking: Boston Common Parking Garage- Charles St./Beacon St. corner of garage.
By definition, pi is the ratio of the circumference of a circle to its diameter. Pi is always the same number, no matter which circle you use to compute it. For the sake of usefulness people often need to approximate pi.
Pi Day is celebrated on March 14th (3/14) around the world. Pi (Greek letter â Ï â) is the symbol used in mathematics to represent a constant â the ratio of the circumference of a circle to its diameter â which is approximately 3.14159. Pi has been calculated to over one trillion digits beyond its decimal point.