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National Pi Day: 14th March 2022

National Pi Day is March 14th, and any day that combines fun, education, and pie is a day to celebrate! Pi is basically a Greek letter. The symbol of Pi is “π”, which is a mathematical constant that represents the ratio of a circle’s circumference to its diameter, which is approximately 3.14….15…9265359… (And so on). Not only that, but March 14th is also birthday of Albert Einstein, so it’s nothing short of a mathematician’s dream.

National Pi Day: 14th March 2022

National Pi Day

History of Pi Day

To learn about pi, we must travel back a few thousand years in time. Archimedes of Syracuse (287–212 BC), one of the greatest mathematicians of the ancient world, was the first to calculate the value of pi. However, it was first christened with the Greek letter as its name by William Oughtred in his works dating back to 1647, and it was later adopted by the scientific community when Leonhard Euler used the symbol in 1737. But how did Pi Day become a national phenomenon? To do so, we must travel to the Exploratorium in San Francisco in 1988, where it was invented by physicist Larry Shaw. Shaw associated March 14 with the first three digits of pi (3.14), in order to organize a special day to unite the Exploratorium staff, where he served fruit pies and tea to everyone beginning at 1:59 pm, the following three digits of the value. After Larry’s daughter, Sara, pointed out that the special date was also Albert Einstein’s birthday, they began commemorating the world-famous scientist’s life.

Pi Day became an annual Exploratorium tradition that continues to this day, and it didn’t take long for the idea to spread exponentially, reaching a pinnacle on March 12, 2009, when the United States Congress declared it a national holiday. Pi Day is now celebrated by math geeks all over the world, and it has become a pop culture phenomenon, with people from all over the world participating in activities, antics, observations, and eating as much pie as they can.

Traditions of the day

Pi Day allows mathematicians to celebrate their love of numbers and the enigma that is the infinite pi. The day has been observed at the San Francisco Exploratorium since 1988. Larry Shaw, who worked as a physicist at the center, organized the first celebration. Staff members took part by marching around the Exploratorium and eating fruit pies. Since then, this custom has persisted. Math enthusiasts talk about math, host get-togethers, and compete in pi recitals. Teachers organise scavenger hunts, pie bake sales, and even Pi Day workouts in order to increase students’ interest in learning and practicing mathematics. Those folks who work in food marketing also love to get involved, so keep your eyes peeled for some discounts, deals, and freebies on pies, it’s going to be an extra tasty day. 

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Activities of Pi Day

  • Of course, you should eat pie. Pi is a homophone of pie: the two words sound similar but are spelled differently and have different meanings. Eat a lot of pie to celebrate Pi Day! You name it: pizza, cherry, or apple!
  • Host a potluck party. Everyone enjoys bragging about their family pie recipe. Make it a potluck, and everyone will bring their favorite pie to Pi Day, whether it’s a pizza pie, a pot pie, a savory pie, or a sweet pie. Create a playlist with songs like “I like Pie, I like Cake” and “American Pie.”
  • Try your hand at making a new pie. Have you ever attempted to make a pie? This is your chance to make your own. You’re not a fan of sweets? Don’t worry, there are plenty of savory pie recipes available so that everyone can enjoy the warm buttery flakiness of a freshly baked pie.

Facts about Pi

  • People compete to remember it. At 70,000 decimal places, Rajveer Meena holds the record for memorizing the most decimal places of pi.
  • It is used in computer stress tests. Computing pi is a computer equivalent of a “digital cardiogram.”
  • Givenchy’s men’s cologne is called pi, and if you’re the intellectual and visionary type, you can smell like pi as well.
  • It is known by other names. Pi is also known as “Archimedes’ constant” and “Ludolph’s number.”
  • It has been employed by heroes. In the Star Trek episode “Wolf in the Fold,” Spock foils the evil computer by having it calculate pi’s value.

When is the pi day in 2022?

Mathematicians all over the world celebrate the lovely constant pi (π) on March 14th, National Pi Day.

Why do we love National Pi Day?

Pi is the ratio of a circle’s circumference to its diameter — and, amazingly, pi will always be the same for all circles of any size. Pi is a “irrational number,” which means that its exact value is unknown. Scientists have computed billions of digits beginning with 3.14159265358979323…, but no discernible pattern has emerged. We could go on and on until infinity and still have no idea what digit would appear next.

Pi sounds similar to pie. If you like pies and are a nerd, this holiday is pretty much the best combination of two of life’s most interesting things: pie and mathematics. And, of course, the obvious solution for celebrating abstract mathematical items that are somewhat irrational is to incorporate pie into the holiday. Last, but not the least, Pi connects mathematics and the real world. Maybe you stared off into space in math class, wondering why on earth ‘logs’ or ‘proofs’ mattered so much. Pi is the answer, or at least one of the things that connects math to real-world applications. Because pi is related to circles, it is also related to cycles, which include calculating waves, ebb and flow, ocean tides, electromagnetic waves, and many other things. Furthermore, many natural world phenomena can be calculated using pi — like the shape of rivers, the disc of the sun, the spiral of DNA and even the pupil of an eye.

National Pi Day Dates

YearDateDay
2022March 14Monday
2023March 14Tuesday
2024March 14Thursday
2025March 14Friday
2026March 14Saturday

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