Multiplication Table 20×20 for iPad

Ceci est un logiciel pour apprendre la multiplication. Et il est considéré utile de mémoriser le tableau de 20 × 20.
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With the exercise mode, you sellect kind and row. And you push start button. So you are given questions.
When you answer all the questions,it is displayed collect answer and your time.

With the test mode, you sellect the number of question.
When you answer all the questions, it is displayed collect answer and score and your time.

When you answered all the questions collectly,you can update fastest time.