WASHINGTON — Pi Day is coming up on Thursday, March 14, and several national retailers are getting in the spirit by offering customers Pi-themed deals and freebies. Pi Day is celebrated annually and ...

SAN DIEGO (KSWB/KUSI) – What better day to indulge in a slice of pizza or pie than Pi Day on Thursday, March 14? Pi Day honors the mathematical constant π or pi — the ratio of a circle’s circumference ...

If you didn’t know, March 14 marks National Pi Day, an unofficial holiday that was created to honor the mathematical constant π and one of the world’s greatest minds, Albert Einstein. Over time, ...

Pi Day is an annual national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... March 14 is also reportedly the birthday of ...

Today is March 14th, aka Pi Day (3.14), aka every math nerd’s big day. But people obsessed with numbers aren’t the only ones celebrating, because Pi Day is also an excuse for pizza companies ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. SAN DIEGO (KSWB/KUSI) – What better day to ...