CAS for Android is a computer algebra system.
Simplifify your calculus expand factorize solve your equations etc.

This application contains all the necessary functions : limits differenciation intégrals Taylor series differentials equations Laplace transforms matrix's operations etc.

The syntax is based on Maxima and a menu permits you to find and remember the basics functions of this language.

Note that this app needs a network connection because the CAS is installed on a external server.