Mental Calculation



※ This document has been translated using Google.

Flash app is simple mental arithmetic.
Plus the numbers will be displayed one after the other on the screen.
You can set the number of questions, the number of digits, the display time from the configuration.
※ Please set the value of your choice below from the configuration screen.

One digit display interval is 0.118 seconds and the way
I only see what is being displayed which numbers,
Was the fullest. . .
The world record is amazing. . .

There are also other apps.


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