Here are some free references to get help in Calculus. Happy reading!
Atithya Amaresh
Author: Jerrold E. Marsden, Alan Weinstein
Publisher: Springer
The goal of this text is to help students learn to use calculus intelligently for solving a wide variety of mathematical and physical problems. The exercise sets have been carefully constructed to be of maximum use to the students.
2. Calculus for the Life Sciences: A Modeling Approach
Author: James L. Cornette, Ralph A. Ackerman
Publisher: Iowa State University
This text is a product of a two-semester calculus course for life sciences students in which students gathered biological data in a laboratory setting that was used to motivate the concepts of calculus. The book contains data from experiments.
3. Calculus in Context
Author: James Callahan, et al.
Publisher: Five Colleges, Inc.
In this course you will learn to use calculus both as a tool and as a language in which you can think coherently about the problems you will be studying. The computer or the graphing calculator is a tool that that you will need for this course.
4. Calculus
Publisher: Wikibooks
This wikibook aims to be a quality calculus textbook through which users may master the discipline. Standard topics such as limits, differentiation and integration are covered as well as sequences and series, multivariable and differential calculus.
5. Calculus: A Modern, Rigorous Approach
Author: Horst R. Beyer
Contents: Limits and Continuous Functions; Differentiation; Riemann Integration; Improper Integrals; Series of Real Numbers; Series of Functions; Analytical Geometry; The Riemann Integral in n-dimensions; Vector Calculus; etc.
6. Reform Calculus: Part 1, Part 2, Part 3
Author: Marcel B. Finan
Publisher: Arkansas Tech University
These are lecture notes of a freshmen-level and sophomore-level mathematics class offered at Arkansas Tech University. The text represents a serious effort to produce exposition that is accessible to a student at freshmen or sophomore levels.
7. Functions Modeling Change: A Precalculus Course
Author: Marcel B. Finan
Publisher: Arkansas Tech University
This supplement consists of the author’s lectures of a freshmen-level mathematics class offered at Arkansas Tech University. The text represents an effort to produce exposition that is accessible to a student at the freshmen or high school levels.