The small school it is low arithmetic national language study tool for grade

摘要

(57) Abstract Objective As for this device basic in ruretsuto feeling manipulationBecause it is possible, while the small school the child of grade enjoying low, studyIt is possible because and the answer is not produced, while thinking of the answer with everyone, studyIt is possible. Constitution In computer 8 with magnetic force the desorption possible magnet attaching plate 3Way it can lay out and it can turn freely rotary board 1 due to fixed axle 6,It did. To become desorption possible and display board 2 depending upon magnetic force, arithmeticMaking questions the national language becomes possible. As for foot 7 of computer 8 as a magnet blackEven in the board it becomes desorption possible.