Larcele Aging Treatment Vintage Wooden Bead Arithmetic Lacquer Abacus for Children,11 Column SP-03

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Larcele Aging Treatment Vintage Wooden Bead Arithmetic Lacquer Abacus for Children,11 Column SP-03

  • Simple and elegant.
  • Unique patterns.
  • Aging treatment , hand-made, please allow a bit of defect.
  • Perfect gift for those that love Bead Arithmetic.
  • Package content: one abacus, one vintage leather box and one instruction.

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 HinduArabic 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. Abaci come in different designs. Some designs, the bead frame consisting of beads divided into tens, are used mainly to teach arithmetic, although they remain popular in the post-Soviet states as a tool. Other designs, such as the Japanese soroban, have been used for practical calculations even involving several digits. For any particular abacus design, there usually are numerous different methods to perform a certain type of calculation, which may include basic operations addition and multiplication, or even more complex ones, such as calculating square roots. Some of these methods may work with non-natural numbers (numbers such as 1.5 and 34). 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.

  • Number of Game Players: 1
  • Batteries Required: No
  • Material Type(s): Wood
  • Manufacturer recommended age: 6 years and up
  • Manufacturer reference: LCE-SP-03US-A4403
  • Package Dimensions: 27.8 x 19.6 x 5.9 cm; 632 Grams
  • : 25 March 2019
  • Brand: Larcele
  • Material: Wood
  • Number of players: 1

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30 Days of Free Returns

You can return this items within 30 days of receipt of delivery if you change your mind. No question will be asked. Visit here for info.

Free Return Pickup

Return pick-up is available for eligible pick-up
addresses and items, provided there are no shipping restrictions. In case pick-up is not available, self-ship reimbursement cost is provided.

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