Happy Pi Day! At 3/14/15 at 9:26 the time will be accurate to pi for 7 decimal places. What's your favorite fact about pi?
Links to proofs and more below in the description.
1. The definition 00:10
Related: the area of circle intuitive explanation
• The Area Of A Circle F...
2. Pi is irrational 00:47
Proof (video)
• Proving π is irrationa...
Proof (blog post)
mindyourdecisions.com/blog/201...
Pi is transcendental (technical)
en.wikipedia.org/wiki/Lindeman...
3. Archimedes estimated pi 01:42
BetterExplained post
betterexplained.com/articles/p...
4. Infinite series for pi 03:28
Madhava-Leibniz series
en.wikipedia.org/wiki/Leibniz_...
Euler
en.wikipedia.org/wiki/Basel_pr...
Chudnovsky algorithm
en.wikipedia.org/wiki/Chudnovs...
www.numberworld.org/misc_runs/...
5. Pi in probability 04:34
Normal curve
en.wikipedia.org/wiki/Normal_d...
Buffon's needle problem mindyourdecisions.com/blog/201...
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Негізгі бет Ғылым және технология 5 facts you should know about π
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