A free program for Android, by HiEdu – Development scientific calculator.

HiEdu is a simple and handy application that allows you to write down mathematical formulas and equations in a very easy and convenient way. You can use this app as a quick reference for your classes or for your personal study. It is perfect for college and high school students.

In this app, you will find all the most important mathematical formulas and equations. You can find all the basic concepts of mathematics in it. It is very useful for those who are planning to study mathematics or who are taking classes. It is also perfect for those who want to improve their grades.