Question

How many columns are there in Chinese Abacus ?

Answer 1

In China, the abacus is called a "suanpan." Little is known about its early use, but rules on how to use it appeared in the thirteenth century. The suanpan consists of two decks, an upper and a lower, separated by a divider. The upper deck has two beads in each column, and the lower deck has five beads in each column. Before learning to use the abacus realize there are different types of abacus'. For example, the classical abacus or Chinese abacus has five beads on the bottom and two beads at the top. The modern abacus, Japanese abacus, or soroban has four beads at the bottom and one bead at the top.

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Answer 2

There are about 13 coloumns in Chinese abacus