10 stunning images show the beauty hidden in pi

Join Wolfram celebrating Pi Day at SXSW, find your birthdate in pi to put on a T-shirt or poster, and think big about the science and philosophy of pi.

Pi Day is also Albert Einstein's birthday. In Princeton, New Jersey, where Einstein lived for more than two decades, signs of the scientist permeate the Pi Day festivities, from birthday parties at the Historical Society of Princeton to an Einstein

Pi is an irrational number that never ends, roughly equal to 3.14. So, people celebrate it on 3/14 of every year. Saturday is extra special because the next numbers in the sequence are one and five, coinciding with the year this 

For a mid-morning minute on Saturday, it will be 9:26 a.m. on March 14, 2015. Another way of presenting that is 3/14/15, 9:26, which looks an awful lot like 3.1415926. Pi Day—March 14—is one thing, but Saturday morning represents a twice-in-a-century 

True love never ends. A number of math lovers will bond in that belief this weekend, on a day of infinite significance for them. Saturday's numerical date of 3-14-15 matches the first five digits of pi, the mathematical constant whose value is obtained