This may be the biggest legal controversy to engulf the mathematical constant pi since that time in 1897 when the Indiana legislature tried to declare it equal to 3.2: A Brooklyn artist is claiming a ...

The Internet definitely does not <3 Paul Ingrisano right now. The Brooklyn street artist and craft entrepreneur has enraged aspiring designers and math nuts alike with a seemingly overbearing ...

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 Approximation Day occurs every July 22nd. It celebrates pi, a key mathematical constant. Pi relates a circle's circumference to its diameter. William Jones introduced the π symbol in 1706.