Pi Day and Pi Approximation Day are two holidays held to celebrate the mathematical constant π (pi). Pi Day is observed on March 14 (3/14), due to π being roughly equal to 3.14. Pi Approximation Day is observed on July 22, due to π being roughly equal to 22/7.
Pi Minute is also sometimes celebrated on March 14 at 1:59 p.m. If π is truncated to seven decimal places, it becomes 3.1415926, making March 14 at 1:59:26 p.m., Pi Second (or sometimes March 14, 1592 at 6:53:58 a.m.).
Bakers Square would be wise to capitalize on this occasion.
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One of my math professors knew pi to sixty decimal places. Back when he knew it only to about forty, someone asked him whether he knew the forty-first digit. He made the gesture for cash-in-the-hand. He reportedly made made some good money learning twenty or so more digits. Someone in class asked him if he knew any more. He made the gesture again.
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