Generic Mini Japanese 13 Column Abacus Soroban Beginners Calculating Tool Winding Device

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 wood frame and suspended with rods, the top beads represent fives and bottom beads represent ones.Each 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.
Abacus is also a very useful tool in general mathematics education because of its concrete visible display of numbers by beads that enable students to grasp of numbers, particularly in understanding place value.
This abacus features with a winding device
Digit number:13
Beads color: white and red
Material:Plastic frame and beads,bamboo rods
Size:L 24.8cm x W 7.5cm x H 1.8 cm .
weight:178g.

Package Included:
1x Abacus