About this item

• This 11-digit professional abacus is made of high-quality ABS plastic and measures 7.01 x 2.50 x 0.75 inches (17.8 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
• It serves as a traditional office calculator, an aid for educators, a learning instrument for kids, or a present for enthusiasts of abacuses. The abacus is excellent for performing quick calculations. Its use is strongly advised in any mathematics course that focuses on abacus skills.
• 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.