Pi, Pie or both? The choice is yours this Pi Day

Pi, Pie or both? The choice is yours this Pi Day

Pie makers can get creative on Pi Day, which celebrates mathematic's most beloved constant. (Source: Grand Traverse Pie Company/Facebook) Pie makers can get creative on Pi Day, which celebrates mathematic's most beloved constant. (Source: Grand Traverse Pie Company/Facebook)
Here's a picture of a slice of delicious pie in celebration of Pi Day. (Source: Grand Traverse Pie Company/Facebook) Here's a picture of a slice of delicious pie in celebration of Pi Day. (Source: Grand Traverse Pie Company/Facebook)

(RNN) - Math nerds and pie lovers rejoice! Pi Day is upon us.

Pi is the mathematical constant that represents the ratio of a circle's circumference to its diameter, which is approximately 3.14. Pie is fruit, meat or cheese prepared with a pastry crust and it's usually circular and always delicious. (My favorite is Boston Cream.)

Celebrations and promotions have abounded in the U.S. since Congress passed a resolution supporting March 14, or 3-14, as Pi Day.

It's a big deal in education circles, particularly at Princeton University. Albert Einstein lived in Princeton, NJ, the last 22 years of his life and was born on March 14. He was also real good at math.

Pi is represented by the 16th letter of the Greek alphabet, and it's what mathematicians call an irrational and transcendental number because it repeats without duplication or pattern to infinity. This makes it fun to see how many digits you can memorize if you're the kind of person who's into that sort of thing.

Pi Day likewise provides an excuse to eat a bunch of pie if you're the kind of person who needs an excuse to do that.

The National Museum of Math in New York declared this Saturday as the “Pi Day of the Century,” because the year is 2015, and the calendar aligns with two additional digits of Pi, 3.1415. Most of us won't make it to the next one in 2115.

Math lovers will gather in Madison Square Park near the museum at 9 a.m. and count down to 9:26:53 a.m. the “Pi instant” that carries out to the ninth decimal place.

On the food and beverage side of the equation, pizza joints, restaurants, bars and, of course, pie companies nationwide have declared $3.14 specials, free slices and other clever promotions.

The Grand Traverse Pie Company, which has 15 shops in Michigan and one in Indiana, has pulled out all the stops.

Marketing director Margaret Alexander said sales go up about 30 percent each year on Pi Day, and customers line up around the block to get their free slice with any purchase. She also stressed that they deliver.

The company partners with state, math, education and agriculture entities by producing an “ABC” pie made of apples, blueberries and cherries grown in Michigan.

They also team up with a hat company - because dividing the circumference of your hat by Pi produces your hat size. Who knew?

They have an online contest to compete for $150 worth of pie by uploading a 15-second video reciting Pi, either creatively or real fast.

The kids at West Middle School are the leaders in the clubhouse.

And if you'd like to try to memorize Pi to 100,000 digits, here's how one guy claims he did it: click here.

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