MathMentor is a math app for Android.
This app helps you to solve complex calculations.

This application includes simple Linear Function, complex Quadratic Function, and Arithmetic Operation using integer, fraction, and square root, Factorization, Trigonometry, Permutation and Combination, Trigonometric Function, and so on. A screen is prepared for each article.
Please use it when you have problems because you do not have much time to study mathematics.

This app includes software developed by The Apache Software Foundation (http://www.apache.org/)