Baoblaze Chinese Wooden Soroban Abacus Arithmetic Calculating Tool Toys with Wooden Beads for Kids Adults – Black

Amazon.com Price: $15.99 (as of 08/12/2021 01:10 PST- Details)

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The abacus also called a counting frame, is a calculating tool, Chinese abacus dates to the 2nd century BC, Knowns as the Suanpan.
Abacus can be used for functions other than counting for elementary schools , very efficient suanpan techniques have been developed to do multiplication, division, addition, subtraction, square root and cube root operations at high speed.

Baoblaze Chinese Wooden Soroban Abacus Arithmetic Calculating Tool Toys with Wooden Beads for Kids Adults – Black

Amazon.com Price: $15.99 (as of 08/12/2021 01:10 PST- Details)

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