Yes, I did mean to leave the ‘e’ off of that pi! That’s because I’m talking about pi, the number, not pie, the delicious dessert.
Officially, Pi Day is March 14th, or 3/14. If you don’t get it…think about it. But, we celebrated Pi Day at school this past week, and in honor of that, I would like to share some of the fun pi facts I learned!
So, here goes:
First of all, the definition: pi is the ratio between a circle’s circumference and diameter. Basically, it means if you measure the distance around a circle, and divide it by the distance across that circle, you get pi. No matter the size of the circle. How cool is that!
Pi is an irrational number, which means it can’t be written as a fraction. It is a decimal that goes on forever and ever, until the end of time, without repetition or a pattern.
For the Pi Day festivities, we had students memorize digits of pi. The current Desert Sky champion, Nathan, recited over 230 digits of pi. My sources tell me he is up to 430 digits. This year’s champion, Becca, recited about 120 digits. The world champion, Hiroyoki Gotu, has memorized 42,000 digits!!
The earliest known reference of pi is on a papyrus scroll, dated around 1650 B.C.
π is the Greek letter p. It denoted the number 80 in ancient Greece, and was first used as it is today in 1706.
In 2002, frantic Japanese mathematicians used a supercomputer to accurately compute pi to 1,241,100,000,000 digits. That is 1.2 TRILLION digits. Unfortunately, the most accurate approximation of pi that scientists would ever need (as far as they can tell) is only about 43 digits.
Although pi is inherently a part of the geometry of circles, the number randomly appears in some suprising areas of higher mathematics.
Wow. I am inspired to give you guys a challenge. If you can recite to me the first 20 digits of pi, before the end of May, I will have a reward for you!! I’ve posted the first 1,000 digits of pi. Well, 1,001 if you include the three
Also, can anyone tell me the time of day on March 14th that Pi Day is officially celebrated?
If you want to know the first million digits of pi, check out this page: http://www.exploratorium.edu/pi/Pi10-6.html
3.
1415926535 8979323846 2643383279 5028841971 6939937510 5820974944 5923078164 0628620899 8628034825 3421170679 8214808651 3282306647 0938446095 5058223172 5359408128 4811174502 8410270193 8521105559 6446229489 5493038196 4428810975 6659334461 2847564823 3786783165 2712019091 4564856692 3460348610 4543266482 1339360726 0249141273 7245870066 0631558817 4881520920 9628292540 9171536436 7892590360 0113305305 4882046652 1384146951 9415116094 3305727036 5759591953 0921861173 8193261179 3105118548 0744623799 6274956735 1885752724 8912279381 8301194912 9833673362 4406566430 8602139494 6395224737 1907021798 6094370277 0539217176 2931767523 8467481846 7669405132 0005681271 4526356082 7785771342 7577896091 7363717872 1468440901 2249534301 4654958537 1050792279 6892589235 4201995611 2129021960 8640344181 5981362977 4771309960 5187072113 4999999837 2978049951 0597317328 1609631859 5024459455 3469083026 4252230825 3344685035 2619311881 7101000313 7838752886 5875332083 8142061717 7669147303 5982534904 2875546873 1159562863 8823537875 9375195778 1857780532 1712268066 1300192787 6611195909 2164201989. . .