WASHINGTON (7News) — It's Friday, March 14 —3/14, the day that every math nerd eagerly anticipates each year. Known around the world as "Pi Day," it’s a time to celebrate one of mathematics' most ...

Pi — it’s irrational and goes on forever! What is pi (π)? Why do we need it? This March 14, go on a math adventure with your child to learn about this special number. Read Sir Cumference and the ...

Math enthusiasts around the world, from college kids to rocket scientists, celebrate Pi Day on Thursday, which is March 14 or 3/14 — the first three digits of an infinite number with many practical ...

Pi Day is such a huge holiday that it's hard to imagine it didn't exist until 1988. The first party in honor of the amazing mathematical entity known as "pi" began that year when Larry Shaw, a ...