Beth Py-Lieberman - Author, The Object at Hand: Intriguing and Inspiring Stories from the Smithsonian Collections Every year, the celebration of Pi Day (March 14 is 3.14) grows more ambitious. Math ...

The circumference of a circle is the distance around the shape. The ability to round a number to a number of decimal places or to a number of significant figures means that answers can be written to ...

Introduction Mathematicians get excited about the discovery of mathematical relationships. They look at the world around them in terms of numbers, formulas and equations. Mathematics is fun and ...

Eighteenth-century mathematician William Jones had a problem with pi—namely, it didn’t exist yet. At the time of his working and teaching in the field of mathematics, there was no term for the ratio ...

Pi, a mathematical constant denoted by the Greek letter π, is the ratio of a circle's circumference C to its diameter d: π = C/d. The circumference of a circle is, in turn, equal to 2πr, where r is ...

Happy Pi Day! The annual celebration, held every March 14, is your chance to pay tribute to the most famous constant in math and physics: the number you get when you divide the circumference of a ...

SAN FRANCISCO -- Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign Pi. That's because the date written numerically ...