5 (613) · € 30.00 · En Stock
Answer (1 of 3): Just using the word Abacus can be a little confusing. There is an abacus with 10 rows and 10 beads each. Then there is a Chinese Abacus with 5 beads in the lower deck and 2 beads in the Upper Deck. But the Abacus or Soroban used for Abacus Mind Math has 4 beads in the lower deck
Why would someone use an abacus? - Quora
Can I learn Abacus at home by using the internet or books? If yes
How did people multiply numbers thousands of years ago before
What is an online free short-term skill course? - Quora
Abacus Learning - The Creativity Land 1 - Quora
How to do multiplication on an abacus - Quora
What does an abacus look like? - Quora
What does an abacus look like? - Quora
What is Abacus Math? - Quora