  Pi is the mathematical symbol used to measure and calculate a
circle's circumference and diameter. It's also used to measure
someone's hat size. Some mathematicians say Pi has an infinite
number of non-repeating digits in it. The first three numbers
are 3, 1, and 4. Wednesday's date.  So how will you celebrate Pi
Day? Will you celebrate it with some pie? Will you do math?
Sign Up For Traffic Text Alerts  But Wednesday is not only the
day we celebrate math! March 14, is also Einstein's 133rd
birthday!