Feature
●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 ABS plastic and measures 7.88 x 2.5 x 0.75 inches (20 x 6 x 1.5 cm) An abacus that makes math exercises more effective; using an abacus to calculate childrens mathematical ability is a good way to teach them to count and calculate intelligence
●It can be used as a classic office calculator, a teachers, 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
Description
Digital Standard Abacus-20cm-Professional 13-Column Soroban Calculator
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 ABS plastic
measures 7.88 x 2.5 x 0.75 inches (20 x 6 x 1.5 cm) An abacus that makes math exercises more effective; using an abacus to calculate childrens mathematical ability is a good way to teach them to count and calculate intelligence
Functional and Educational Tool
It can be used as a classic office calculator, a teachers, 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
This 13-bit professional abacus
His size is very small, suitable for small hands math practice counting. Can be put in pocket.
|
|
|
|
|
|
|
|---|---|---|---|---|---|---|
| Digital Standard Abacus-25.4 cm-Professional 17-Column Soroban Calculator | Digital Standard Abacus-17.8 cm-Professional 11-Column Soroban Calculator | Digital Standard Abacus-20 cm-Professional 13-Column Soroban Calculator | Digital Standard Abacus - 24.8 cm - Professional 13 - Column Soroban | Blue Digital Standard Abacus - 27.5 cm - Professional 17-Column Soroban | Pink Digital Standard Abacus - 27.5 cm - Professional 17-Column Soroban | |
|
|
|
|||||
| Customer Reviews |
94
|
69
|
59
|
16
|
25
|
9
|
| Price | $9.99 | $8.99 | $9.99 | ? | $9.99 | ? |
| Abacus 11-17 Column | Digital Standard Abacus-25.4 cm-Professional 17-Column Soroban Calculator | Digital Standard Abacus-17.8 cm-Professional 11-Column Soroban Calculator | Digital Standard Abacus-20 cm-Professional 13-Column Soroban Calculator | Digital Standard Abacus - 24.8 cm - Professional 13 - Column Soroban | Blue Digital Standard Abacus - 27.5 cm - Professional 17-Column Soroban | Pink Digital Standard Abacus - 27.5 cm - Professional 17-Column Soroban |