Difference between Chinese and Japanese Abacus
|Chinese Abacus||Japanese Abacus|
|Chinese are considered to be the inventors of Abacus during 500 BC and the most primitive written document on Abacus is in Chinese that dates back in the 2ndcentury BC||The Japanese adapted Abacus later realizing its use as a counting device around 1600 AD|
|The Chinese Abacus is known as the Suan pan||The Japanese Abacus is named as Soroban|
|Suan pan is rarely used in the modern times except in some regions of China||Soroban is the Abacus that is still used today as a counting device as well as a Brain Development tool for small kids|
|The Suan pan is a horizontally structured Abacus that has 2 decks. The upper deck constitutes 2 beads and lower deck constitutes 5 beads in each rod||The Soroban is also a horizontally structured Abacus of modern times having 2 decks. Upper deck consists of 1 bead and lower consists of 4 beads in each single rod|
|It is more complex to be used for performing calculations||The Japanese reduced the beads to make calculations smoother and simplified|
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