Math

https://play.google.com/store/apps/details?id=sd.Math





 Fortunately for you, the brains at Education Flow have already thought about this and bring to you the first ever application to help you learn or revise. This app works even offline. You only need an Internet connection to download additional content packages.
The following topics are covered in this app:

Introduction
Numbers
Fractions, Decimals and Percentage
Percentage and Average
Ratio and Proportion
Trigonometry
Profit, Loss, and Simple Interest
Basic Algebra
Logarithms
Geometric Shapes and Figures