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Pi = 3.1415926535897932384626433832795...

A website dedicated to Pi.


I, personally, am facinated by pi, and track every move made by it's followers. I eventually collected so much information, I figured I might as well make a website out of it. I hope you enjoy this site, and check back often. This isn't one of those sites you're forever tripping across in Google searches that havn't been updated in 5 or 6 years, but rather one that gets updated weekly (sometimes daily) and is forever being injected with more information. If you have any comments, please send them to me.

Most Recent Pi Updates:

March 14, 2004 -- Todays date: 3-14! Happy Pi Day!

March 10, 2004 -- PiTrainer is made known to me. A very nice, simple program to practice your pi digits on.

Early November, 2003 - QPi 2.7 is availible to the public. (See my downloads to get it.)

October 14, 2003 - Shigeru Kondo sets the pi PC-calculation world record with 25 billion digits.

A brief "About" pi.
Pi, as defined by my dictionary, is: "The sixteenth letter of the Greek alphabet. A transcental number, approximately 3.14159, represented by the symbol pi." This is a very brief, but accurate, definition. A more digestable version would be: "The ratio between the circumference (distance around) of a circle to the diameter (the length across). Approximately 3.141592653... This constant is represented by the symbol pi. The digits of pi have been proven to be unpredictable and unstopping." Pi, as defined by Dave Barry (in a recent column) is: "the ratio of circumference to diameter". These are basically the only definitions you will need for life. Divide the circumference of any circle by the diameter/pi, and you will get pi/the diameter. This is obviously true of the converse, you can multiply the diameter by pi to achieve the circumference (this is how pi is usually used). You probably know pi as 3.14, right? Well, that's all the digits you will probably need to know in your entire life. Just two decimal places is sometimes more than sufficient to calculate anything you would need a measurement on, being as how it will calculate down to the hundredth of whatever you measurement you are using. I mean, you can't buy paint or cement down to the billionth of a centimeter, at least, that I know of. (If you know of a place that makes sales that exact, please contact me immediately!) So two digits of pi is sufficient for your average layperson, but not for mathematicians--they will be more likely to memorize about ten digits, 3.1415926535. And more detail-seeking nuts (of which I am one) might learn the first 50, 100, or even 500. Even I have to admit that is pretty useless, especially when you realize that only 20 digits are necessary to calculate the circumference of the Earth down to a fraction of an inch, and 39 digits are needed to calculate the circumference of the entire known universe down to the electron! This has not stopped pi calculators, however. The most recent record-breaking calculation was set at 1.241 TRILLION decimal places. There are even people who attempt to attack pi at home on PCs; I personally have devoted hours of computer time to calculating many different lengths of digits, including one billion and one.
FAQ re: pi
Q: Why have so many people devoted so much time and resources to calculating pi?
A: Pi is our version of Mount Everest. It's there, and so we must.
Q: Well, is there any useful use for millions of digits of pi?
A: To some degree. Pi has given us the ability to test computer speed and reliability, by having the computer calculate x digits, in y time.
Q: Why do we have to keep calculating pi? Isn't there just a pattern we can use?
A: Surprisingly, we have yet to find a reliable pattern in pi. There have been countless micro patterns, but they all break off after just a few repititions.
Q: How many formulas are there to calculate pi?
A: Too many to count. Look towards the bottom of my about page for common formulas.
Q: Why are people, like yourself, so obsessed with pi?
A: Well, for me, it's because of several different attributes: It never ends, it's fun to say, has a great symbol, it isn't predictable, and it is complex enough to the point where certain people can become "insiders" on it.
Q: Do you have a life?
A: Yes. I routinely participate in events such as: Reading the Comics During Breakfast, Lunch in My Room, Reading Dave Barry During Dinner, and reading Dilbert all night. ;)

Questions? Comments? Death threats? A *gasp* dead link??? E-Mail me.

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Site last updated: March 14, 2004