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Pi Prezi

Learning about Pi (3.14...)

Lindsay Amoroso

on 13 March 2014

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Transcript of Pi Prezi

What is Pi?
Pi is the ratio of the circumference to the diameter of any circle
Interesting facts about Pi.....
We can never truly measure the circumference or the area of a circle because we can never truly know the value of pi. Pi is an irrational number, meaning its digits go on forever in a seemingly random sequence
The first six digits of pi (314159) appear in order at least six times among the first 10 million decimal places of pi
Pi is the most recognized mathematical constant in the world
The sequences of digits in Pi have so far passed all known tests for randomness.
There is no zero in the first 31 digits of Pi
Pi day is celebrated on March 14th (3/14)
If a billion decimals of pi were printed in ordinary type,
they would stretch from New York City,
to the middle of Kansas
Taking the first 6,000,000,000
decimal places of Pi, this is the distribution:
0 occurs 599,963,005 times,
1 occurs 600,033,260 times,
2 occurs 599,999,169 times,
3 occurs 600,000,243 times,
4 occurs 599,957,439 times,
5 occurs 600,017,176 times,
6 occurs 600,016,588 times,
7 occurs 600,009,044 times,
8 occurs 599,987,038 times,
9 occurs 600,017,038 times.
The Babylonians found the first
known value for Pi in around 2000BC
They used (25/8).
At position 763 there are six nines in a row.
This is known as the Feynman Point
The Pi memory champion is Lu Chao,
who memorized an amazing 67,890 digits.
How much of Pi could
you memorize???
Full transcript