This is a APP tool for training mathematical computation. We call it "MADS" for short.
Users can use it to train their fast computing power, including addition, subtraction, multiplication and division.
I believe this is an interesting training. Users choose one of four options from addition, subtraction, multiplication and division. APP generates 10 related topics automatically. You only need to answer these questions quickly. Because the user's correct answer rate, answer time and completion will eventually be displayed to the user, the purpose is to let the user have a clear understanding of themselves.
If the user has trained addition and wants to train subtraction again, just click the "Menu" button on the upper left and the user can re-select.
It is not only to train children's thinking speed, but also to train adults' thinking speed. This is a good training method.
