This is an abacus. It is composed of a wooden frame and many beads. It is used to help people perform numerical operations. The style of each platform and the color of the beads are different. It is an ancient computing tool that originated in China
🇨🇳. Now in Asia, there are still many people who like to use the abacus, and it can be seen in the financial offices of many companies. It also contains the meaning of accounting, calculation, mathematics, mathematician.