Pi Day is observed every year on March 14, marking the significance of the mathematical constant π (pi). The day is commemorated by mathematics enthusiasts around the world in recognition of the ...

Celebrate Pi Day and read about how this number pops up across math and science on our special Pi Day page. For more than two millennia, mathematicians have produced a growing heap of pi equations in ...

Google Doodle 2026: Google is marking March 14 with a special Doodle dedicated to Pi Day 2026. It's an annual shout-out to the world's most famous mathematical constant, π. Google stated it was ...

As if math wasn't confusing enough, we have Pi to contend with. An irrational number that has no end. It sounds like an easy enough calculation in that it's the ratio of a circle's circumference to ...

On March 11th, 2026, the controversial mobile-first cryptocurrency, Pi, the native coin of the Pi Network, defied all market trends to surge 6%, outperforming the broader cryptocurrency market that ...

What better way to celebrate one of mathematics' most well-known symbols than with an actual slice of pie? On Pi Day, Saturday, March 14 (3.14, get it?), restaurants across the country are getting ...

While most in New England may be anticipating March 17, Saint Patrick's Day, there's another more mathematical holiday to celebrate first. Pi Day is celebrated annually on March 14, because its ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. Restaurants, convenience chains and delivery apps across the country are marking National Pi Day on March 14 with ...

While math lovers come together every year on March 14 to celebrate Pi Day, it can also be an opportunity for others to reap the benefits of special restaurant promotions. Representing the ratio of a ...

Pi Day is celebrated annually on March 14 to honor the mathematical constant, Pi (3.14). Restaurants like Blaze Pizza, 7-Eleven, and Marco's Pizza are offering pizzas for $3.14 with certain conditions ...

On Saturday, March 14, math meets the menu in honor of one of the world's most famous mathematical constants. National Pi Day celebrates π, a never-ending number that begins with 3.14 and represents ...