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珠算 (しゅざん たまざん) — calculation on an abacus
珠算
calculation on an abacus
日本珠算連盟 にっぽんしゅざんれんめい
League of Japan Abacus Associations
計算 けいさん
calculation; computation; reckoning; counting; adding up; working out; figures
予算 よさん
estimate (of costs); budget
決算 けっさん
settlement of accounts; closing accounts; financial results; reporting (of accounts)
換算 かんさん
conversion (e.g. yen to dollars); change; exchange; translation (numerical)