Pi, Greek letter (╥), is the symbol for the ratio of the circumference of a circle to its diameter. Pi Day is celebrated by math enthusiasts around the world on March 14th. Pi = 3.1415926535… Happy Pi Day!

Pi, Greek letter (╥), is the symbol for the ratio of the circumference of a circle to its diameter. Pi Day is celebrated by math enthusiasts around the world on March 14th. Pi = 3.1415926535… Happy Pi Day!

  1. catchingsunshine reblogged this from blogtv and added:
    yay happy pi day!
  2. blogtv posted this