Pi Day is an annual national celebration of the mathematical concept, which is the ratio of a circle’s circumference to its ...

Pi Day occurs on March 14, because the date is written as 3.14 in the United States. Pi is the ratio of the circumference of a circle to its diameter, or approximately 3.14 (its exact value is ...

Celebrating National Pi Day with Children’s Museum Houston and their annual Pi (e) fight HOUSTON – Children’s Museum Houston is celebrating ‘Spring Break Blast’ through March 23rd with daily ...

TORONTO (AP) — Former central banker Mark Carney was sworn in as Canada’s new prime minister on Friday, and will now try to ...

There are many fun and innovative ways to celebrate Pi Day in your classroom and beyond—you probably already use it as a jumping-off point for key mathematical lessons. If you're in need of something ...