Abacus Arithmetic Calculating Tool (23 Rods 23 Digits)
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Abacus Arithmetic Calculating Tool (23 Rods 23 Digits)

Product ID: 23836469
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Description

  • Soroban-style abacus, great for rapid calculation
  • Size (L x W x H): Approx. 32 x 6 x 1.5 (cm)
  • 23 rods, with 1 bead above and 4 beads below on each rod
  • Plastic Black frame, one color beads, brown, snap shut case included
  • Traditional arithmetic abacus, a classic tool that is still fully functional

An abacus is a manual aid to calculating that consists of beads or disks that can be moved up and down on a series of sticks or strings within a usually wooden frame. The abacus itself doesn't calculate; it's simply a device for helping a human being to calculate by remembering what has been counted. The modern Chinese abacus, which is still widely used in China and other countries, dates from about 1200 A.D. It is possible that it derives from the earlier counting board s used around the Mediterranean as early as 300 B. C. An Aztec version of an abacus, circa 900-1000 A.D., is made from maize (corn) threaded through strings mounted in a wooden frame. There are Japanese and Russian versions of the abacus and several modern "improved" versions.

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Yusuf A.

Fantastic experience overall. Will recommend to friends and family.

1 month ago

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

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€ 16.51

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Vikram D.

The MOLLE sheath is of exceptional quality. Very happy with my purchase.

2 weeks ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Abacus Arithmetic Calculating Tool 23 Rods 23 Digits | Desertcart Italy