March 14 is known to math students and geeky adults around the country as Pi Day, a celebration of the ratio of a circle to a diameter. The number has an infinite number of decimal places but is often ...

It's Pi Day, the day regular people gawk at the brilliance and beauty of a mathematical constant. We focus on why pi still captures our imagination thousands of years after it was first calculated.

Math fans, celebrate. Today is Pi Day, a holiday that celebrates the world’s most famous irrational number. What are irrational numbers, you ask? As Penn State Berks professor Joni Queen describes ...

CHICAGO | Students at Mount Carmel High School recently spent a day reciting poems, singing songs and playing games all related to Pi. Sponsored by the school's math department and in celebration of ...