arithmetical restorations -

Mental arithmetic application to think about slowly and carefully.

It is application to complete an expression using the number that 'arithmetical restorations', a given answer were appointed.

During commuting, let's strengthen brain using the time that we had free including the wait!

I do not put the unnecessary functions such as thyme limits at all to concentrate on it slowly and carefully, and to be able to think.

At first I choose the level with a title.

Was displayed by a screen; accept a number and a ceremony to answer.

The number can choose only a light blue button.

If a ceremony is completed, then press the OK button.

If an expression is right, the next problem is displayed.

When I want to delete an expression, then press CL button.

When you want to know the answer, please push the give up button.

When I want to try a different level, I push the button of ,↑ and return to a title.

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