Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/4 Beads 27 Rows ST71 nishiji nuri It is carved traditionally of

It is carved traditionally of boxwood (but not exclusively) and is used for combing

Packed weight 467 grams

this unique

and vegetable soup

Whisk stand: Sometsuke

Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/4 Beads 27 Rows ST71 nishiji nuri It is carved traditionally ofJapanese 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 center is one unmarked stack used for decimal places for more complicated calculations. Many primary schools all over Japan