Open iTunes to buy and download apps.
The "Calcdrill" can study happily by calculation with figures.
More users can be registered, and the "Calcdrill" can enjoy studying with all the families.
The difficulty of the questions can be changed at any time. It offers the difficulty suitable for you.
if you answered quickly,You get more higher points.
The prize of "Star" can be got according to a point.
Let's practice The "Calcdrill" every day,And promote the development of children's numerical ability.
What's New in Version 1.2.1