Obligatory π Day Post

Happy π-day.

 

We had lots and lots of pie, cookies, chips, cheese balls, and other ’round’ snacks today. A fun excuse for a party :-). I showed them a powerpoint with some interesting facts about π. One of my classes even got to whoop and holler at 1:59:26.

I showed some of my classes this:

[youtube:http://www.youtube.com/watch?v=nmXkDbGdD4Q&feature=player_embedded&rel=0%5D

 

And I showed one of my classes this, which was put up just today by Vi Hart (bonus: see if you can find the small error in this video):

[youtube:http://www.youtube.com/watch?v=jG7vhMMXagQ&feature=player_embedded&rel=0%5D

 

I’m not sure where I stand on the whole Tau thing. I do think it helps with learning the unit circle and trig values. But I’m not convinced it makes most formulas simpler. And history is a force to be reckoned with. There is lots of mathematical notation that could use some revision, I suppose.

 

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