Generic Vintage-Style 13 Digits Rods Wooden Abacus Soroban Chinese Calculator Counting Tool 9.8"" for Gift and Collections
$40.99
Description
The abacus was an invention from ancient China that uses a system of counting that predates even modern numbers and is still used by some businessmen, traders, and clerks today since it is very suitable for fast calculations..13 digit professional abacus with wooden frame Beads Number: 7 Beads Per Row x 13 Rows.Measures L9.8" x W4.7" x D0.9" (25cm x 12cm x 2.2cm).It can be used as a classic office calculator, an educational tool for children or a gift for abacus collectors..A great mathematic tool that is both practical and educational: This standard set is perfect for practical use as well as teaching children (Instruction not included)
