Flash mental arithmetic is showing on the screen to change the minimum number of intervals that number is seen as a way to obtain the sum can be set from 0.1 seconds up to a maximum of 3 seconds. If you do not pay attention it will be badly missed calculate the number passing in an instant. Therefore, Flash mental arithmetic can be a great help in improving concentration and memory.
1. You can set up as a problem-type (addition, division, multiplication), digits, exposure time, questions sudeung you want to do it free of problems.
2. In the meantime, you can see the score of the task to be carried out in the Statistics screen.
3. Supports eosinophilic acid (listening to solve) type.
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