Things I never knew before and great descriptions of things about Pi

simplest explanation of pie:   math for kids

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more,

-there is a world expert in Pi, David Baley?

This episode was obviously created before 1995, recording to world record chart for memorizing Pi.

“The record for memorizing Pi was achieved by Chao Lu (China) who recited Pi from memory to 67,890 places, at the Northwest A&F University, Shaanxi province, China, on 20 November 2005. Chao Lu, a chemistry student, attempted the record after practising for 4 years. The attempt lasted 24 hrs 4 min and was recorded on 26 video tapes. News reports from CCTV (China Central Television) and from Yangling TV submitted with the claim. The attempt was witnessed by 8 officials, Maths professors of the NWAFU and 20 students to assist the witnesses.”

and how Pi was nearly changed to 3.2!

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and some cool facts here

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