Chinese Abacus Math Calculation Tools Ancient Calculator Wood 13 Rows Abaci Counting for Elementary Schools

Describe:The abacus, also known as the abacus, is a calculation tool. The Chinese abacus can be traced back to the 2nd century BC and is called the abacus.The abacus can be used for functions other than counting for elementary school students, and very effective abacus techniques have been developed to perform multiplication, division, addition, subtraction, squaring and cubing at high speed.A 13-row vintage Chinese wooden bead abacus with two beads on each rod on the upper tier and five on each rod on the bottom, the beads are usually round and made of polished hardwood. It is conducive to cultivating and improving children's calculation ability, memory and attention, especially suitable for primary school students.Suitable for school elementary school math teaching aids and children addition and subtraction counting.Specification:Material: woodDimensions: 24.6x12.2 cm / 9.68x4.80 .The package includes:1 abacusReinforced and thickened, more slip-resistant and more wear-resistant!

• The abacus, also known as the abacus, is a calculation tool. The Chinese abacus can be traced back to the 2nd century BC and is called the abacus.
• The abacus can be used for functions other than counting for elementary school students, and very effective abacus techniques have been developed to perform multiplication, division, addition, subtraction, squaring and cubing at high speed.
• A 13-row vintage Chinese wooden bead abacus with two beads on each rod on the upper tier and five on each rod on the bottom, the beads are usually round and made of polished hardwood.
• It is conducive to cultivating and improving children's calculation ability, memory and attention, especially suitable for primary school students.
• Suitable for school elementary school math teaching aids and children addition and subtraction counting.
• light, compact and convenient abacus