Happy Pi Day! The special day is celebrated around the world on March 14 in honor of the Greek letter Pi, which is also the ...

Pi (π) is a constant describing the ratio between a circle's circumference and its diameter. It is an irrational number ...

Pi Day (March 14, or 3/14) offers something for the math-lover, of course, but also for the baked-goods lover ( Bake a pi pie ...

But here are the first 200 decimal places, in song form. Try singing along ... how the date March 14 reflected the first three numbers of pi, 3.14. From there a day of celebrating science and ...