Represented in abbreviated form by the somewhat familiar sequence 3.14, pi, or the Greek letter π, is an iconic symbol seen in mathematical equations and, in more recent decades, merchandise like ...

Paul Ingrisano has trademarked the symbol for Pi and has nearly-exclusive rights to "I<3," the Internet shorthand expression for "I love." ...

If you couldn't already tell by the number this mathematical symbol represents, Pi Day is celebrated on Friday, March 14, 2025. That's because the date is written as 3/14 (at least in the United ...