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 ...

Add Yahoo as a preferred source to see more of our stories on Google. One of the most important numbers in math might today be named after the Greek letter π or “pi”, but the convention of ...

Pi Day,” which is March 14, 3.14, is a day meant to recognize the special, infinite number that can also be recognized by its ...

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 ...

Math fanatics from all around the world and everyone else who just loves ancient Greek pi (or pie) celebrate on March 14.

Turns out you can't have your "pi," and eat it too. In January 2014, a Brooklyn artist named Paul Ingrisano trademarked the 3,000-year old mathematical symbol "π" followed by a period, and is actively ...

One of the most important numbers in math might today be named after the Greek letter π or “pi”, but the convention of representing it this way actually doesn’t come from Greece at all. It comes from ...

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 ...

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 ...

Wired reports that multiple sellers on online marketplace Zazzle were shocked to find last week that their designs had been taken down as a result of a cease and desist notice by one Paul Ingrisano, ...