| 摘要 |
PURPOSE: A multiplication studying apparatus is provided to implement the efficient repeated learning process of a user and improve the convenience of the user by being conveniently carried. CONSTITUTION: A plurality of first number beads(1) is formed as much as the maximum value of a first number. A plurality of second number beads(2) is formed as much as the maximum value of a second number. A plurality of displaying sliders is in connection with the first number beads and is moved according to the movement of the first number beads. A plurality of opening sliders is in connection with the second number beads and is moved according to the movement of the second number beads. |
