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Numberphile

Zero Factorial - Numberphile

419,219 views 5 months ago
0! = 1
Dr James Grime tries to explain why this is the case - follow James on Twitter at https://twitter.com/jamesgrime

Regarding the equation at the end - James says it should be e^-t dt NOT e^-n dn ... sorry for the mix-up!

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Videos by Brady Haran

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0! = 1
Dr James Grime tries to explain why this is the case - follow James on Twitter at https://twitter.com/jamesgrime

Regarding the equation at the end - James says it should be e^-t dt NOT e^-n dn ... sorry for the mix-up!

Website: http://www.numberphile.com/
Numberphile on Facebook: http://www.facebook.com/num...
Numberphile tweets: https://twitter.com/numberp...
Google Plus: http://bit.ly/numberGplus
Tumblr: http://numberphile.tumblr.com
Videos by Brady Haran

Brady's other channels include:
http://www.youtube.com/peri... (Chemistry stuff)
http://www.youtube.com/sixt... (Physics and astronomy)
http://www.youtube.com/numb... (Numbers and maths)
http://www.youtube.com/Deep... (Space stuff)
http://www.youtube.com/nott... (Science and behind the scenes)
http://www.youtube.com/food... (Food science)
http://www.youtube.com/Back... (Big science facilities)
http://www.youtube.com/favs... (Favourite scientists)
http://www.youtube.com/bibl... (Academic look at the Bible)
http://www.youtube.com/word... (Modern language and culture)
http://www.youtube.com/Phil... (Philosophy stuff)
http://www.youtube.com/PsyFile (Psychology stuff) Show less

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