Anyone who's had to learn math or physics in school may have encountered pi at one point. More popularly known and written out in its Greek lowercase letter counterpart, π, it's essentially the ratio ...

Turns out you can't have your "pi," and eat it too. In January 2014, a Brooklyn artist named Paul Ingrisano trademarked the 3,000-year old mathematical symbol "π" followed by a period, and is actively ...

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 claiming a ...

Add Yahoo as a preferred source to see more of our stories on Google. If those questions are running through your head, keep on reading! Ahead, you'll find everything you need to know about Pi Day.

Some people (hint: us) are celebrating Pi Day by eating many, many helpings of many, manydifferent types of pie. Others are corralling their livestock onto a field to form the pi symbol. Not ...

Pi Day is a celebration of the endlessly fascinating number Pi (π), which starts as 3.14 and stretches on forever without repeating! It's a day dedicated to this mysterious mathematical constant that ...

National Pi Day is an official celebration of the mathematical constant π, also represented by the number 3.14. Wikipedia Commons Good news, math geeks. March 14 marks this year’s official recognition ...

Pi is denoted by the Greek letter π. It is a mathematical constant and is approximately equal to 3.14159. It is defined as the ratio of a circle's circumference to its diameter. It was first ...

One of the most important numbers in math might today be named after the Greek letter π or “pi”, but the convention of representing it this way actually doesn’t come from Greece at all. It comes from ...

What do mathematicians and pie fans have in common? A love for March 14. Monday marks Pi Day. For math lovers, it's a chance to celebrate Pi, one of the most important numbers ever, representing the ...

Professor Mark Lemley weighs in on the an attempt to trademark the “pi” symbol for Wired. This may be the biggest legal controversy to engulf the mathematical constant pi since that time in 1897 when ...