Pi Day is celebrated on March 14th each year to celebrate the mathematical constant pi (π). Some common ways to celebrate include baking and eating pies, listening to pi-themed music, wearing shirts with the pi symbol, participating in pie-eating or pie-throwing competitions, sending pi-themed greeting cards, dressing up as Albert Einstein whose birthday is also on Pi Day, participating in pi digit recitation competitions, taking photos forming the pi symbol, and playing pi-themed games like Simon Says using digits of pi. Pi Day celebrations aim to highlight the importance of pi in math and science through fun activities involving food, costumes, music, and games.

1. Pi Day Celebration Ideas
Pi Day, this year is going to be on March 14th
. It will be celebrated not only as Pi Day but also as Albert
Einstein’s birth anniversary as well. It is a coincidence that Albert Einstein was born on Pi Day.
For those of you who don’t know what Pi Day is, let me tell you about Pi first. Pi, not as in American Pie
is one of the basic mathematical constants. It is derived from the Greek letter π. And its value is
3.1415926. It is defined by the ratio of a circle’s circumference C to its diameter d.
π = C/d
In simple terms, a circle’s circumference is slightly more than three times the length of its diameter. And
that ratio is called π.
π in mathematics, has a very special place. The decimal points in this number seem to never end and the
numbers never repeat. So, the number π goes on infinitely. Pi was not discovered in the recent times,
but it was discovered by ancient mathematics both in India as well as in China. The maximum decimal
points that they could reach was till 7 and today computer scientists have computed π to over 13 trillion
digits.
And it should be noted that π is not just a discrete number used in complex mathematics. π is a very
practical number and it is extensively used in trigonometry and geometry where circles, ellipses or
spheres are involved. Not only in trigonometry and geometry, π is also used various sciences such as
cosmology, number theory, statistics, fractals, thermodynamics, mechanics and electromagnetism as
well.
Pi Day and its significance
Pi Day celebrations have been organized first by Larry Shaw in 1988 at San Francisco Exploratorium. In
March of 2009, the US House of Representatives passed a resolution where 14 of March of observed as
National Pi Day.
Pi Day Celebration Ideas
Pi Day is celebrated with various activities. Some of the activities have been mentioned below.
Baking Pies: Pie baking and pie eating are one of the first and foremost activities that come to mind on
Pi Day. The symbol π inscribed on the pie or the number 3.141592…. can also be inscribed on the pie to
make it look geeky. Don’t just have one or two pies on Pi Day. Friends or coworkers can come together
and bake different types of pies and have a big pie feast.
Listen to Pi music: Pi has also been an inspiration for artists as well. Take for example Kate Bush’s song
Pi, Mathematical Pi and Lucy Kaplansky’s Song About Pi.
Wear π T-shirts: Wearing t-shirts with π symbol on them, is another idea of celebrating Pi Day. If you to
attend a Pi Day event, make sure that you have a π t-shirt with you.

2. Pie Throwing Competition: If you’ve had enough of pie eating, perhaps, its time to throw some pie. It
can be so much fun throwing pie on people.
Pi Greeting Cards: Surprise your geeky friends by sending them a Pi Greeting card on Pi Day. A quick
search on the internet will reveal a whole stack of Pi Greeting cards.
Dressing up as Einstein: Don’t forget that Pi Day is also the birth anniversary of Albert Einstein. So, you
could dress up like Einstein and also add a Pi Day complement along.
Pi Reciting Competition: Pi Reciting is about who can recite the maximum number of π digits accurately.
Prepare an exotic pie and make an announcement that whoever wins the competition will be awarded
the pie.
Take Pi Pictures: You and your friends can stand in π form and take pictures from overhead. If the
number of people are more, then you can go with π digits.
Simon Says Challenge: Simon Says game can be incorporated into Pi Day celebrations with people giving
Simon Says challenge on the digits of π. The 1st
person will start with 3, the 2nd
person will start with 3.1.
The 3rd
person will have to repeat all the digits and tell out the next digit accurately and so on. This game
can go on till the last person who gets its wrong.
These are some of the activities that you can do for this year’s Pi Day celebrations. For more details, visit
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