Feature(may vary by option.)
●Material: plastic frame and beads.
●Bead diameter: 1.65cm/0.65inch. Red beads for you to locate.
●Package content: one abacus.
●With Reset button design, more convenient to use.
●Perfect gift for those that love Bead Arithmetic and good for children.
[Blue 1]
[Blue 2]
[Yellow 3]
[Yellow 2]
[Yellow 1]
[Black 1]
[Black 2]
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 children to learn simple math
- Ideal for Birthday gift
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ABS materialABS frame, wooden pole Strong and durable |
Beads5 beads and 13 digit Smooth beads, will not scratch your fingers |
Simple operationReset button, easy to operate Make children learn simple number operations It is a good companion for children to learn |
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| 13 Column Abacus | Student Abacus | School Abacus | Abacus with Reset Button | Soroban | Classic Abacus | |
| 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 |