Professional 13-Column Soroban Calculator for Education and Business
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Category: abacus for adults

About this item
- 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 children's mathematical ability is a good way to teach them to count and calculate intelligence
- 1. He is completely satisfied with the outcome.
- 2. She is determined to finish the race.
- 3. They were in agreement about the decision.
- 4. We are both equally responsible for the mistake.
- 5. The report clearly demonstrates the findings.
- 6. The team successfully completed the project ahead of schedule.
- 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
- 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.






