Leichtes japanisches 13-Säulen-Abakus Soroban Anfänger Werkzeug Wickelgerät
30,01 €
Note: The color of the item may vary slightly due to photography and your own computer Introduce about the abacus: Soroban or an abacus is widely used in banks,businesses and at homes Encased in a durable column represents a decimal point giving the total of a 13 digit number and beads are counted by sliding them on the rods. When one of the columns is set as the ones column,in this case the 4th column from the right,the next adjacent to the left becomes the tens column,then hundreds,thousands,ten thousands and so on.The decimal fraction can be displayed on the right side of the ones column as well. .
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