When I was young, I was wondering if I could study math while I was playing. Now I have an application that can play and study together. I hope you like it. This is a problem, you can choose the number of exercises to do, then do it within the specified time, if you do wrong will have a tip, will the wrong title set out at the end of it, allowing you to improve. This model is suitable for parents to use for children. When parents are busy and have no time to give math problems to children, they can use this kind of application. On top of that, you can choose the number of questions and determine the answer automatically Correct, automatic list of wrong exercises, convenient for children, but also for parents. I hope you can improve your math scores quickly and enjoy your studies