Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/4 Beads 13 Rows ST68 Shino ware Sticker on the back: Artist

Sticker on the back:  Artist Michiko Kuge

Packed Weight: 388 grams

[Item] 11 cm x 15 cm x 2 cm

Miscanthus and bird

Sometimes called morikago

Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/4 Beads 13 Rows ST68 Shino ware Sticker on the back: ArtistJapanese 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