This ebook is intended primarily for students learning calculus and focuses entirely on differentiation of functions of one variable. The sections are written as self-guided tutorials. Each chapter begins with appropriate definitions and formulas followed by numerous solved problems listed in order of increasing difficulty. Basic high school math is all that's needed to follow the explanations and learn from 200 practical problems solved step-by-step. This ebook helps you cut study time, increase problem-solving skills and achieve your personal best on calculus exams!