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Re:Vi Hart: Every school should replace calculus with recrea... by akuchling on Thursday March 31, 2011 @06:43AM (#2391024)
Maybe it was "Calculus Made Easy", by Silvanus P. Thompson? That's an old book that explains the basic idea of integration and differentiation, but doesn't try to be rigorous at all. http://www.scribd.com/doc/8533492/Calculus-Made-Easy-by-Silv...
Re:Vi Hart: Every school should replace calculus with recrea... by hsmyers on Thursday March 31, 2011 @08:58AM (#2391329)