article_snippet: Saturday is the day when love of math and a hankering for pastry come full circle.
article_snippet: Saturday is Pi Day, a once-in-a-year calendar date that this time squares the fun with a once-in-a-century twist.
article_snippet: Saturday is 3-14-15, the first five digits of the mathematical constant pi: 3.141592653.
highlights_snippet: Saturday is 3-14-15, the first five digits of the mathematical constant pi: 3.141592653 .
  