en.wikipedia.org/wiki/Pi

The number π is a mathematical constant, the ratio of a circle's circumference to
its diameter, .... This definition of π implicitly makes use of flat (Euclidean)
geometry; although th...

www.reference.com/math/pi-used-everyday-life-12e3a3045de687c6

Engineers who design things like tires, piping and tubing, round gaskets and
balls use pi every day at work. For example, to determine the amount of material
...

www.universetoday.com/110331/happy-pi-day-5-ways-nasa-uses-pi/

Mar 14, 2014 ... You might not use it yourself every day, but Pi is used in most calculations for ...
Other ways NASA uses Pi is to determine the size of craters and ...

answers.yahoo.com/question/?qid=20110313121210AAyorhq

Mar 13, 2011 ... Update: Yes this is a pi day assignment..well sort of...and thanks to all that
contributed to my question but i could use some more! Please and ...

www.tulsaworld.com/business/fyibusiness/pi-common-in-everyday-life-not-just-dessert/article_d1e06850-b460-5ea6-8417-29bed2386234.html

Mar 14, 2014 ... Friday is National Pi Day, so chosen because it's March 14, or 3-14, of course. ... "
It figures in a lot of different ways," said Rick Gurley, who is electrical ... Everyday
use: Farming silos, power generation, motors, space science, ...

lightyears.blogs.cnn.com/2012/03/13/pi-day-how-3-14-helps-find-other-planets-and-more/

Mar 13, 2012 ... Be forewarned: We're going to have to use a bit of math to explain why. ... Pi
appears in Einstein's equation for how energy and mass lead to ...

www.cnet.com/how-to/25-fun-things-to-do-with-a-raspberry-pi/

Raspberry Pi, the bargain micro PC released earlier this year, has fertilised ...
Online magazine RPi MagPi has a feature (from page 9 onwards) about how ...
Scratch is a programming language that's easy to get to grips with and easy to
use, ...

study.com/academy/lesson/pi-number-usage-quiz.html

Learn where the number pi comes from, how mathematicians estimate it, and ...
how many times the wheel turned when you traveled, then you could use the ...

mathforum.org/library/drmath/view/57045.html

The children asked how this concept is used in real life and who pi is named ...
case vibrational loading on a beam (this is a really big use of pi).

mathforum.org/dr.math/faq/faq.pi.html

How many digits is it? By definition, pi is the ratio of the circumference of a circle
to its diameter. Pi is always the same number, no matter which circle you use to ...