Soroban
(2001 UC1 )
Discovery Chart
18.10.2001 00:00 Shishikui 24e45 59n26 observations 1 << prev in category - Noteworthy - next in category >>
The soroban, or abacus, is an important tool of Japanese culture, used to calculate and record numbers. It has been used in Japan since 1624.
Avastatud: 18-10-2001 Avastamiskoht: Shishikui Avastajad: Maeno, H. | ||
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