Digital Standard Abacus-28.5cm-Professional 13-Column Soroban Calculator (Functional and Educational Tool) Vintage-Style Chinese Wooden Abacus.

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En stock

Peso con empaque
0.41 kg

Devolución
Sí

Condición
Nuevo

Producto de
Amazon

Sobre este producto

the abacus from ancient China; its characteristic is that the counting system used before modern numbers is still used by some businessmen, traders and clerks. It is a good tool for mathematics education.
This 13-digit professional abacus is made of high-quality solid wood and measures 11.22 x 4.72 x 0.86 inches (28.5 x 12 x 2.2 cm) An abacus that makes math exercises more effective; using an abacus to calculate children's mathematical ability is a good way to teach them to count and calculate intelligence.
It can be used as a classic office calculator, a teacher's, an educational tool for children or a gift for abacus collectors. The abacus is very suitable for fast calculations. It is highly recommended to use it in any math abacus course.
We're ready beginner classic booklet explaining the essential rules of abacus.

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