Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.

12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

NumberStudy スクリーンショット

iPad

iPhone

About NumberStudy

* 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.