The number represented by pi (π) is used in calculations whenever something round (or nearly so) is involved, such as for circles, spheres, cylinders, cones and ellipses. Its value is necessary to ...

The number represented by pi (π) is used in calculations whenever something round (or nearly so) is involved, such as for circles, spheres, cylinders, cones and ellipses. Its value is necessary to ...

On March 14 (3.14) many schools throughout the United States will have classes celebrating π Day, or Pi Day. The date echoes the common approximation for pi, which is the ratio of the circumference of ...

So you have a circle. What is the area of that circle? Surely everyone remembers that the area of a circle is: Where Pi (π) is of course the number and r is the radius of the circle. Where does this ...

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 ...

Happy Tau Day, everyone! Every June 28, a rogue fleet of math nerds makes its case for the abolition of arguably the most important irrational number in the world: pi. These men and women of the "tau" ...

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 ...

Egyptians believed that the pyramids of Giza were like math marvels, built on the principles of pi. The fun fact about this pi connection? Well, imagine this: The height of each pyramid concurs with ...

March 14 is known as international Pi Day (3/14), which honors the mathematical ratio of a circle’s circumference to its diameter. Most people will remember from school that pi is roughly 3.14 (nerds ...