en.wikipedia.org/wiki/Pi

The number π is a mathematical constant. Originally defined as the ratio of a circle's circumference to its diameter, it now has various equivalent definitions and appears in many formulas in all areas of mathematics and physics. It is approximately equal to 3.14159. It has been represented by the Greek letter "π" since the ...

mathematics-in-europe.eu/?p=854

Mar 14, 2017 **...** There are, in **fact**, some Egyptologists who believe that π , or perhaps τ = 2 π ,
was known to them since the age og the Giza's pyramid, built between 2589 and
2566 BC, because the relationship between the perimeter and the height is
6.2857. There are no explicit proof of the **fact** that, at the time, Egyptian ...

www.slate.com/blogs/bad_astronomy/2015/03/13/pi_day_facts_and_such.html

Mar 13, 2015 **...** But this year's π Day is special: It's the year 2015, so the date is 3/14/15, giving us
two more decimal places of the famous constant. In **fact**, if you celebrate it at 9:26:
53 today, you get π to nine decimals: 3.141592653. Since the next digit is a 5,
you can even round up and celebrate π Day for an extra second.

www.mirror.co.uk/tech/happy-pi-day-2017-incredible-10023552

Mar 14, 2017 **...** **Pi** Day is celebrated every year around the world on March 14 - 3.14 in the
American calendar.

www.piday.org/learn-about-pi

In recent years, **Pi** has been calculated to over one trillion digits past its decimal.
Only 39 digits past the decimal are needed to accurately calculate the spherical
volume of our entire universe, but because of **Pi's** infinite & patternless nature, it's
a **fun** challenge to memorize, and to computationally calculate more and more ...

learnodo-newtonic.com/life-of-pi-facts

Nov 27, 2012 **...** Life of **Pi** is a fictional novel written by Canadian author Yann Martel. The novel
has been adapted into a film which was released in theaters in 2012. The movie
has been directed by Ang Lee. Here are 7 **interesting facts** about the novel and
the film. Yann Martel in 2007 ...

awesci.com/pi-day-things-you-did-not-know

Mar 14, 2014 **...** Since **pi** day is today's date written in the mm.dd (03.14) format, it could not be a
**pi** day for most of you because dd.mm is the format used for writing dates in most
countries around the world. In **fact**, those countries where more than half of the
world's population resides, will never have a **pi** day because you ...

xmodulo.com/interesting-facts-raspberry-pi.html

Mar 6, 2014 **...** Raspberry **Pi** celebrated its second birthday last week. Since its debut on
February 29, 2012, Raspberry **Pi** has ushered in a whole new generation of tiny,
inexpensive, single-board computers. Numerous Raspberry **Pi** based DIY project
ideas are popping up over the web, and there are many use cases of ...

www.ideosity.com/pi-day-fun-facts

Mar 13, 2014 **...** For those of you who haven't realized what day it is, Happy Pi Day! Because we
have a hard time ignoring holidays (especially one involving pie) we just wanted
to tell you a few **facts about pi**. It's typical that Pi Day is only celebrated in middle
and high schools, but we couldn't resist sharing some cool ...