Today is favorite circular objects Pi Day 2011

Today is favorite circular objects, people, Pi Day 2011 !

Today is Pi Day March 14 (3-14), and Pi, the mathematical constant, approximately 3.14 is the same. Many of the Institute to observe a large number of educational activities for students of the defense contractor young people to continue their mathematics and science careers. March 14 (ie 3-14) is the official Pi Day - to celebrate the number Pi, identify the Greek letter π, that is used to calculate the circumference of the circles.

Pi is often reduced to 3.14. But because the number is both irrational and transcendental, which "will continue indefinitely, without repeating," as the official website of Pi Day, PiDay.org said kindly.

The famous symbol of Pi, π, was first used by Welsh mathematician William Jones in Synopsis Matheseos Palmariorum his work, published in the 1706th Only after the adoption of the Swiss mathematician Leonhard Euler in 1737, however, the symbol Pi gained popularity.

The purpose of Pi Day :

The first Pi was celebrated in 1989 at the Exploratorium in San Francisco, which remains one of the premier developers Pi Day. Day, Pi Day celebrations takes place in large class schools across the country. "It is above all an opportunity to have fun with math and science subject," Mr Blatter, author of The Joy of Pi, "says blog Time.com 's news feed. "And then he celebrates Pi officially, it's more of an excuse to get excited and see the fun side of math and science."

Get out and enjoy all things circular. This would make your math teacher proud.