9999 4.0

It is an application program to remember 9x9 multiplication tabl of multiplication by the voice. It begins to learn from the third grader in 9x9([calling kuku) elementary school in Japan. In this application program, it bundles and) ..9x9(.. is read out in the voice of the girl of the second grader in the elementary school who began to learn. Let's voice repeatedly because there is a custom of voicing hearing it by the ear in Japan and remembering by this application program while hearing it and remember. There are a remembered mode, practice mode, and Challenge mode. If the answer is guessed right in the game sense, it is passing because it flows at random in the last challenge mode. There is as much as one week when throwing at intervals of time when sleeping at inside and night of home and the car and it is remembered because it reads it out in the voice of the child of the same friendly generation for the child.