Calculus in 21 Lessons is a handy self-teaching guide for anyone wanting to master calculus. Using a teach-by-example approach, this app will get anyone understanding calculus in no time.

* Uses a teach by example approach showing you how to solve problems
* Avoids hard to understand proofs and theorems and instead explains calculus in everyday language
* Covers limits, differential and integral calculus

Calculus in 21 Lessons gives you the short-cuts you need to study calculus. Perfect for:

* Calculus students
* People learning calculus by self-study
* Preparation for AP Calculus Exam

In 21 easy to digest chapters, Calculus in 21 Lessons covers most topics covered in first year college calculus and on the ap calculus exam:

* Computing limits, one-sided limits and limits at infinity
* Computing derivatives, the power rule, derivative of a constant
* Derivative of sum and difference, product, quotient and chain rules
* Implicit differentiation, max-min problems, related rates and applications of the derivative
* Basic integration
* u-substitution and integration by parts
* Integration by partial fractions, integration of trig functions, and rational functions
* Trig Substitution
* Sequences and infinite series

If you've been looking for an easy way to calculus packed with solved problems and examples, this is the app you've been looking for.