Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/4 Beads 13 Rows ST68 kiku Packed weight: 257 grams

Packed weight: 257 grams

and plum blossom (Shōchikubai) design in the center with a Japanese flag and cherry blossoms

Cards have some stains and blemishes

One side of the box is loose

Fold marks on the top corners and top edge

Japanese Wooden Abacus Soroban Math Calculating Tool Vtg 1/4 Beads 13 Rows ST68 kiku Packed weight: 257 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