It is an arithmetic game that anyone can easily enjoy from child to adult.
I wonder who can go to the highest level.

- Challenge mode
1. Difficulty
Choose Beginner / Intermediate / Advanced depending on the degree of difficulty you want.
2. Mode
Time Attack: You have to solve the problem within a certain time.
Accuracy: You have to solve the problem with 100% accuracy.

- Practice mode
1. Practice the desired operation (you can change the setting value in the setup menu).

- Settings
1. Total Problem: Set the number of questions to practice.
2. Type of problem: You can select the type of problem: 1X1, 2X1, 2X2, 2X3.
3. Hidden form: Basic, random can be selected.
4. Maximum value: Set the maximum value to be issued.
5. Initialize the Challenge mode: initialize the state of the Challenge mode.
6. Record initialization: Initialize the stored record