Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/5 Beads 13 Rows ST70 shinto Item weight: 125 grams

Item weight: 125 grams

It features openwork vine designs

Packed Weight: 534 grams

It is used often in pairs to hold small cups of rice

3 cm long x 6 cm wide x 16 cm tall

Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/5 Beads 13 Rows ST70 shinto Item weight: 125 gramsJapanese Soroban Abacus Calculator Tool This is a vintage Japanese abacus or soroban. It is a mathematics calculating tool and is considered the first calculator in Japan. The Japanese abacus is different from the parent Chinese version. It has a top section of single beads and a bottom of stacked beads, usually five. At the very center is one unmarked stack used for decimal places for more complicated calculations. Many primary schools all over Japan