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15 Best National Pi Day Deals 2026

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NBC Los Angeles · 2d
National Pi Day: 3.14 things to know about pi this year
Saturday is Pi Day, a national celebration of the mathematical concept, which is the ratio of a circle's circumference to its diameter and equals 3.14... Schools and museums often plan events to celebrate the concept, which has fascinated humans for centuries, and local eateries offer pie-related deals.

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 · 1d
Pi Day has an unexpected origin, and it started with pie
 · 1d · on MSN
Pi Day 2026: Deals, fun, and sweet surprises
2h

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

Pi, the mathematical constant that begins with 3.14 and goes on forever, is celebrated every year on March 14. Inside Bangin’ ...
The Weather Network on MSN
10h

Circle the date! Today is Pi Day for 2026!

This day only comes 'round' once every year!
1don MSN

Pi Day deals: Pizza and food chains commemorate a mathematical constant with discounts and freebies

Pi Day is a day for food and restaurant chains to highlight their own pies to commemorate a math equation.
13hon MSN

Pi gets all the fanfare, but other numbers also deserve their own math holidays

March 14 is celebrated as Pi Day because the date, when written as 3/14, matches the start of the decimal expansion 3.14159… of the most famous mathematical constant. By itself, pi is simply a number, ...

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