R. M. Johnson 
Calculus [PDF ebook] 
Introductory Theory and Applications in Physical and Life Science

This lucid and balanced introduction for first year engineers and applied mathematicians conveys the clear understanding of the fundamentals and applications of calculus, as a prelude to studying more advanced functions. Short and fundamental diagnostic exercises at the end of each chapter test comprehension before moving to new material. – Provides a clear understanding of the fundamentals and applications of calculus, as a prelude to studying more advanced functions- Includes short, useful diagnostic exercises at the end of each chapter