Pi Day, which occurs every 14 March – or 3/14, in the US date format – celebrates the world’s favourite mathematical constant. This year, why not try an experiment to calculate its value? All you will ...

It is once again Pi Day (March 14—which is like the first digits of pi: 3 and 14). Before getting into this year's celebration of pi, let me just summarize some of the most important things about this ...

I used to think Pi Day was a sham. If we’re being honest, most of us are ready to forget about the true value of pi once we’ve finished taking the SATs in high school. On March 14 each year, rather ...

Thursday marks Pi Day, otherwise known as 3.14, which is the ratio of a circle's circumference to its diameter. While the average person can easily remember the rounded 3.14 ratio, the exact ratio has ...

Pi, a mathematical constant denoted by the Greek letter π, is the ratio of a circle's circumference C to its diameter d: π = ...

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 ...

Happy March 14—time to celebrate everyone’s favorite mathematical constant. Pi, or π, describes the ratio of a circle’s circumference to its diameter. Since it was first discovered more than 4,000 ...

NASA’s Jet Propulsion Laboratory is celebrating Pi Day with a set of illustrated planetary puzzlers that will test your skill as a rocket scientist. The NASA Pi Day Challenge, now in its sixth year, ...