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 ...

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 ...

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 ...

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 ...

West Hartford -Annually around the world, mathematicians and students have been celebrating the mathematical symbol PI with competitions and contests all week long. The symbol “PI” represents the ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Math lovers: Get excited! Today is National ...

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 ...