Originally defined as the ratio between the circumference of a circle and its diameter, pi — written as the Greek letter π — ...

SAN FRANCISCO -- Every March 14, mathematicians, scientists and math lovers around the world celebrate Pi Day, a commemoration of the mathematical sign Pi. That's because the date written numerically ...

MINNEAPOLIS (WCCO) - The calendar says it's time to dig into a popular dessert and celebrate math. Pi Day, March 14, honors the formula's starting numbers of 3.14. But it quite literally is more than ...

March 14, National Pi Day, honors 3.14 (π) the ratio of the circumference of a circle. Whether you're challenging yourself to find how many decimal placements are actually in Pi (π) or you're eating ...

Pi Day is a favorite holiday for both food lovers and mathematicians. For the foodies, the reasoning is simple. Pi Day brings discounts and deals for people looking to grab a pizza to celebrate the ...