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 ...

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

Hungry for Pi? Check out NASA's Pi Day challenge and put your wits to the test solving problems just like NASA scientists and engineers. When you purchase through links on our site, we may earn an ...

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 ...