Hands-on projects are great learning tools for kids, especially when they involve the word ‘secret’. I can’t think of a better way to celebrate Pi Day (March 14 or “3.14”) with kids than to help them ...

Professor C.A. Waldo taught math at Purdue University. He shot down a bill that would have legally redefined “pi,” using the theory of amateur Edward J. Goodwin in a nationally published article. It ...

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 ...