Japanese children are wise!
Because, it is since this method is performed.
method of 10-by-10 trains the power of calculation.
method of 10-by-10 trains concentration.
method of 10-by-10 raises memory.
method of 10-by-10 has an effect to a child.
method of 10-by-10 has an effect to an adult.
method of 10-by-10 has an effect to an old person.
Please use.
If a problem will be displayed, an answer will be inputted, ifusageis easy, a operator is chosen, the minimum and the maximumareinputted and a start is pushed, and an "answer" button ispushed,the number of correct answers and the number of mistakeswill bedisplayed (a mistake is displayed in the red).
It is selection about "it continues", the "following problem",andan "end" button after that.
Function
The minimum of the number to calculate and the maximum canbedecided freely.
Addition, subtraction without a negative answer, subtraction withanegative answer
It divides and can choose a problem from four (with no inputofremainder).
Measurement of computation time can be performed.
The problem which is different at the same minimum and themaximumis created.
The number of correct answers and the number of mistakesaredisplayed.