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Product description Application Although today many use calculators and computers instead of abaci to calculate, abaci still remain in common use in some countries. Merchants, traders and clerks in some parts of Eastern Europe, Russia, China and Africa use abaci, and they are still used to teach arithmetic to children. Some people who are unable to use a calculator because of visual impairment may use an abacus. Evolution A Chinese abacus, Suanpan The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool that was in use in Europe, China and Russia, centuries before the adoption of the written Hindu–Arabic numeral system.The exact origin of the abacus is still unknown. Today, abaci are often constructed as a bamboo frame with beads sliding on wires, but originally they were beans or stones moved in grooves in sand or on tablets of wood, stone, or metal. Great for students to learn simple math Ideal for birthday gift ABS material ABS frame, wooden pole Strong and durable Beads 5 beads and 13 digit Smooth beads, will not scratch your fingers Easy to play Reset button, easy to play Let students learn simple arithmetic It is a good companion for people to learn 13 Column Abacus Student Abacus School Abacus Abacus with Reset Button Soroban Classic Abacus Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.3 out of 5 stars 69 4.3 out of 5 stars 69 4.3 out of 5 stars 69 4.3 out of 5 stars 69 — 4.3 out of 5 stars 69 Price $23.99$23.99 $23.99$23.99 $22.99$22.99 $22.99$22.99 $22.99$22.99 $13.49$13.49 Bead Color all yellow up red down green all white, red to locate all white, blue to locate all white, red to locate all brown, red to locate Frame Color Yellow Yellow Blue Blue Black Black
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![Standard Soroban (Abacus) / 23 Digits [43300]](https://m.media-amazon.com/images/I/51CKOoJBJUL._AC_UL320_.jpg)
