Calculus is the study of motion and change and can be very frustrating and overwhelming for many students. However, with a few of the recommended resources listed here, you will find that calculus doesn't have to be difficult to learn.
The word Calculus comes from Latin meaning "small stone", Because it is like understanding something by looking at small pieces.
Differential Calculus cuts something into small pieces to find how it changes. Integral Calculus joins (integrates) the small pieces together to find how much there is. Math is hard enough as it is, so you don't need bad instruction making it that much more difficult. These calculus textbooks will help guide you through one of the most difficult subjects you're likely to encounter, and they're packed with quizzes, illustrations, and definitions designed for all levels, so even the biggest math-phobes can breathe easy while mastering the material.