Calculus made easy : being a very-simplest introduction to those beautiful methods of reckoning which are generally called by the terrifying names of the differential calculus and the integral calculus

I don't know how much it can help you in actual studies but its a fun book to read otherwise. Updates The Classic Calculus Primer. To Deliver You From The Preliminary Terrors -- On Different Degrees Of Smallness -- On Relative Growings -- Simplest Cases -- Next Stage. What To Do With Constants -- Sums, Differences, Products, And Quotients -- Successive Differentiation -- When Time Varies -- Introducing A Useful Dodge -- Geometrical Meaning Of Differentiation -- Maxima And Minima -- Curvature Of Curves -- Partial Fractions And Inverse Functions -- On True Compound Interest And The Law Of Organic Growth -- How To Deal With Sines And Cosines -- Partial Differentiation -- Integration -- Integrating As The Reverse Of Differentiating -- On Finding Areas By Integrating -- Dodges, Pitfalls, And Triumphs -- Finding Solutions -- A Little More About Curvature And Curves -- How To Find The Length Of An Arc On A Curve. Silvanus P. Thompson And Martin Gardner. Includes Index. Calculus Made Easy by Silvanus P. Thompson and Martin Gardner has long been the most popular calculus primer. This major revision of the classic math text makes the subject at hand still more comprehensible to readers of all levels. With a new introduction, three new chapters, modernized language and methods throughout, and an appendix of challenging and enjoyable practice problems, Calculus Made Easy has been thoroughly updated for the modern reader. The classic book on infinitesimal calculus by Thompson, originally published in 1910; then updated with additional material in 1998 by Martin Gardner.