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15 Best National Pi Day Deals 2026

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Pi Day means big business for Pie Bar in Kennesaw

March 14 marks Pi Day, a celebration of the mathematical constant 3.14, used to calculate the circumference of circles.

· 7d · on MSN

Pie-eating and math enter the spotlight on International Pi Day this March 14

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Every restaurant offering Pi Day 2026 deals on pizza, pies in Arizona

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Pi Day 2026: Deals, fun, and sweet surprises

AP March 14, or 3/14, is celebrated worldwide as Pi Day, honoring the mathematical constant π (pi), which represents the ratio of a circle’s circumference to its diameter.

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Pi Day: From rockets to cancer research, here's how the number pi is embedded in our lives

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15 Best National Pi Day Deals 2026: Where to Find $3.14 Pizza

Bangor celebrates Pi Day with sweet and savory pies, sweetening math festivities

Pi, the mathematical constant that begins with 3.14 and goes on forever, is celebrated every year on March 14. Inside Bangin’ Whoopie, Pi Day comes with a little extra sugar. The finished treats

The Press Democrat

Pi Day math tournament mixes equations and pastries in Santa Rosa

Student mathematicians spent Saturday crunching numbers and solving equations at Maria Carrillo High School’s library as part of an academic tournament celebrating Pi Day, March 14.

What is Pi Day? How the holiday got its start

What is Pi Day? Whether you love math or you're just into some good dessert, this Saturday should be a sweet treat for you.

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35 funny Pi Day memes to enjoy (whether you're a math wizard or not)

Celebrate Pi Day (3.14) this March 14 with some extra laughs.

WHYY

What’s Pi Day all about? Math, science, pies and more

A freshly decorated Key Lime pie rests on a counter in a busy bakery kitchen at Michele's Pies, Wednesday, March 13, 2024, in Norwalk, Conn. Math enthusiasts and bakers celebrate Pi Day on March 14 or 3/14, the first three digits of a mathematical constant ...