# Free Online Calculus Text Books

In this list, I have collected all useful and important free online calculus textbooks, mostly in downloadable pdf format. Feel free to download and use these.

**Elementary Calculus : An approach using infinitesimals**by H. J. Keisler https://www.math.wisc.edu/~keisler/keislercalc-12-23-18.pdf**Multivariable Calculus**by Jim Herod and George Cain http://people.math.gatech.edu/~cain/notes/calculus.html**Calculus**by Gilbert Strang http://ocw.mit.edu/ans7870/textbooks/Strang/strangtext.htm**Calculus Bible**by Neveln http://www.cs.widener.edu/~neveln/Calcbible.pdf**Lecture Notes for Applied Calculus**by Karl Heinz Dovermann http://www.math.hawaii.edu/~heiner/calculus.pdf**A Summary of Calculus**by Karl Heinz Dovermann http://www.math.hawaii.edu/~heiner/short.pdf**First Year Calculus Notes**by Paul Garrett http://www.math.umn.edu/~garrett/calculus/**The Calculus of Functions of Several Variables**by Professor Dan Sloughter https://tutorial.math.lamar.edu/classes/calciii/multivrblefcns.aspx**Difference Equations to Differential Equations : An Introduction to Calculus**by Professor Dan Sloughter http://math.furman.edu/~dcs/courses/math41/**Visual Calculus**by Lawrence S. Husch http://archives.math.utk.edu/visual.calculus/**A Problem Text in Advanced Calculus**by John Erdman http://web.pdx.edu/~erdman/PTAC/problemtext_pdf.pdf**Understanding Calculus**by Faraz Hussain https://understandingcalculus.com/ (online version is free. $4 for PDF ebook)**Advanced Calculus**by Lynn Loomio and Schlomo Sternberg http://www.math.harvard.edu/~shlomo/docs/Advanced_Calculus.pdf**The Calculus Wikibook**on Wikibooks http://upload.wikimedia.org/wikipedia/commons/a/a3/Calculus.pdf**Vector Calculus**http://www.mecmath.net/calc3book.pdf**The Calculus for Engineers**by John Perry http://books.google.com/books?id=FQE3AAAAMAAJ**Calculus Unlimited**by J E Marsden & A Weinstein http://resolver.caltech.edu/CaltechBOOK:1981.001**Advanced Calculus**by E B Wilson https://archive.org/details/ost-math-advanced_calculus**Differential and Integral Calculus**by Daniel A Murray http://ebooks.library.cornell.edu/cgi/t/text/pageviewer-idx?c=math;cc=math;idno=00870001;view=image;seq=6;page=root;size=100**Elements of the Differential and Integral Calculus**by W A Granville & P F Smith http://djm.cc/library/Elements_Differential_Integral_Calculus_Granville_edited_2.pdf**Calculus**by Raja Almukkahal, Victor Cifarelli, Chun Tuk Fan & L Jarvis https://onlinebooks.library.upenn.edu/webbin/book/lookupid?key=olbp53791**A course on Pure Mathematics**by G. H. Hardy http://archive.org/details/coursepuremath00hardrich**Calculus Volume I, II and III; and Student Guides**by Marsden and Weinstein

http://authors.library.caltech.edu/25030/

http://authors.library.caltech.edu/25031/1/Calc1studentw.pdf

http://authors.library.caltech.edu/25036/2/Calc2w.pdf

http://authors.library.caltech.edu/25037/12/Calc2studentw.pdf

http://authors.library.caltech.edu/25043/1/Calc3w.pdf

https://authors.library.caltech.edu/25044/1/Calc3studentw.pdf**Calculus Early Transcendentals**by David Guichard http://www.whitman.edu/mathematics/calculus/**Calculus in Context**by Callahan, et.al. http://www.e-booksdirectory.com/details.php?ebook=8262**Introduction to Calculus Volume 1 and 2**by J.H. Heinbockel http://www.math.odu.edu/~jhh/Volume-1.PDF http://www.math.odu.edu/~jhh/Volume-2.PDF- Concepts in Calculus (1, 2 and 3) by Miklos Bona, Sergei Shabanov https://people.clas.ufl.edu/kees/files/MAA4212Spring2016.pdf https://people.clas.ufl.edu/kees/files/MAA4211Fall2015.pdf https://people.clas.ufl.edu/kees/files/MAA4211Fall2015.pdf

## Most Popular Calculus Textbooks

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