MathStep is a symbolic pocket calculator with a complete CAS (Computer Algebra System) built-in. That means that it can solve math problems for you! It has an expression editor with a live preview and even gives you hints to solving a problem by yourself for some operations. It can even work without an internet connection!
	
	The following operations are currently supported:
	- Simplification
	- Deriving
	- Integration
	- Calculating limits
	- Calculating sums
	- Determining series expansions
	- Solving equations