Add Yahoo as a preferred source to see more of our stories on Google. Saturday's Google Doodle shows how the mathematical constant pi is useful for easily calculating the area of a circle, the formula ...

Swiss researchers said on Monday they had calculated the mathematical constant pi to a new world-record level of exactitude. The constant π is represented in this mosaic outside the Mathematics ...

Pi Day 2026: March 14 is celebrated every year as Pi Day to commemorate the Mathematical constant Pi. The day also marks the birth anniversary of physicist Albert Einstein and is observed as a ...

The Fascinating Story Behind Pi Day And Its Significance: Pi Day is celebrated annually on March 14 to honour the mathematical constant Pi, denoted by the symbol π. This day not only recognises a ...