Friday, May 27, 2011

population data

population data

Thursday, May 26, 2011

cuontry data

https://spreadsheets.google.com/a/buckeyeschools.org/spreadsheet/ccc?key=0AswEmb2HAewydG5XNnRxcWpscGh6S3k1clV4VVZ1MkE&hl=en_US

Friday, March 18, 2011

sin cos and tan

f(x)=sin(x)=pink line
f(x)=cos(x)=purple line
f(x)=tan(x)=yellow line