Add Yahoo as a preferred source to see more of our stories on Google. Thursday, March 14, is National Pi Day, a time to celebrate the number that represents the ratio of a circle's circumference to ...
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 ...
Thursday, March 14, is National Pi Day, a time to celebrate the number that represents the ratio of a circle's circumference to its diameter. The number is known as π, the first letter of the Greek ...
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