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RT @Rainmaker1973
How a book written in 1910 could teach you calculus better than several books of today
[Calculus Made Easy, by Silvanus P. Thompson, 1910 - full text pdf: http://bit.ly/2pThkf1 or with the table of contents: http://calculusmadeeasy.org]
@finlayd love this. just sent it to my 17 year olds 😊