【實用教育app】NumberStudy|最夯免費app-綠色工廠好玩App

* This app features includes meditating music that is helpful for children who are experiencing lack of patience and help them with concentration....A program to practice the addition, the subtraction, the multiplication and the division repeatedly and quickly. It is easy to use as a simple interface..- About the program - The drill in the calculation will strengthen the basic mathematical abilities. Through the learning by repetition, a user will be faster with the calculation.New functions will be constantly updated. - Features of the program - Addition, subtraction, multiplication and division problems. The time limit (second), the number of problems and the number of correct answers will be indicated. The time limit (second) and the number of problems will be set at the option. What a user has learned earlier is indicated (the time limit, a date, a percentage of the correct answers and the total amount of time which a user has spent to solve all the problems). For an incorrect answer, a vibration alarm sets off.