A helpful guide to overcoming calculus Calculus--A Complete Introduction provides everything you need to broaden your skills and gain confidence. Assuming only a basic level of arithmetic, this carefully graded and progressive book guides you through the basic principles of the subject with the help of exercises and fully worked examples.
Neill’s book is very clear in explaining calculus, from differentials, to differentiating, to integration for a mathematician. He includes a few examples of calculus as they apply to the real world, but more would be helpful for people who would/should use calculus to solve real-world problems.