It isn't The Pioneer Woman without "pi!" In the baking sense, Ree Drummond is no stranger to the pastry, whether she's whipping up apple pie, pot pie, or Ladd's favorite chocolate pie. One of the best ...

Today marks National Pi Day in the United States and around the world. The holiday commemorates a timeless symbol beloved by many in mathematical and scientific communities, while making the most of ...

Anyone who's had to learn math or physics in school may have encountered pi at one point. More popularly known and written out in its Greek lowercase letter counterpart, π, it's essentially the ratio ...

A Brooklyn artist trademarks the 3,000-year-old mathematical symbol 'pi' and starts flooding math-clothing producers with cease and desist letters.Click here to watch the story from Jen Markham. A ...

Pi is denoted by the Greek letter π. It is a mathematical constant and is approximately equal to 3.14159. It is defined as the ratio of a circle's circumference to its diameter. It was first ...

Get ready for a math-themed celebration today, because July 22 marks Pi Approximation Day. On this day, we celebrate all things related to the mathematical constant. Among the many mathematical ...

A man is reflected in a mirror with an inscription reading 'The value of Pi' and its numbers in Vienna, June 26, 2012. ALEXANDER KLEIN/AFP/GettyImages Pi Day is celebrated annually to pay tribute to ...