A free program for Android, by LearnProID.
This free application is a learning tool that aims to help you study Mathematics and Statistics in a simple and intuitive way.
It consists of four major topics:
Algebra
Calculus
Mathematical modeling
Statistics
Each of them contains several lessons, which you can study at your own pace and in your own way.
You will be able to choose from the following topics:
In each one of them, you will be able to find information about the topic and lessons, as well as examples and exercises.
The application also has a dictionary with over 40,000 definitions, which you can use as you see fit.