If you couldn't already tell by the number this mathematical symbol represents, Pi Day is celebrated on Friday, March 14, 2025. That's because the date is written as 3/14 (at least in the United ...

Pi Approximation Day occurs every July 22nd. It celebrates pi, a key mathematical constant. Pi relates a circle's ...

This may be the biggest legal controversy to engulf the mathematical constant pi since that time in 1897 when the Indiana legislature tried to declare it equal to 3.2: A Brooklyn artist is ...

It's Pi Day, and the world is celebrating more than just the Greek mathematical symbol (π). Retailers and restaurants everywhere have deals today. The folks at Offers.com have provided a list of ...

He wants the whole pi. An entrepreneurial Brooklyn artist has trademarked the ancient Greek mathematical symbol — adding a period to the end — to brand his line of T-shirts, tank tops and hats.

It's Pi Day, and the world is celebrating more than just the Greek mathematical symbol (π). Retailers and restaurants everywhere have deals today.