Abacus，Math Learning Tool，Chinese Abacus Chinese Abacus Math Calculation Tools Ancient Calculator Wooden 13 Rows Counting For Boys Girls Beginners Elementary (Color : Black a)

Product: AbacusOrigin: ChinaMaterial: woodProduct size: 24.6x12.2cm/9.68x4.8inIncludes: 1x Abacusnumber of boxes: 1Manufacturer contact information: Xiuying District, Haikou City, Hainan ProvinceWeight: 500g

• The abacus can be used by elementary school students for functions other than counting, and very efficient abacus technology has been developed that can perform multiplication, division, addition, subtraction, square roots, and cube roots at high speed.
• Abacus is a calculation tool. The history of Chinese abacus can be traced back to the 2nd century BC. It is called abacus.
• 13-row vintage Chinese wooden bead abacus, with two beads on each rod on the upper tier and five beads on each bottom, the beads are usually round and made of polished hardwood.
• It is beneficial to cultivate and improve calculation skills, memory and attention, especially for primary school students.
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