Ключевые слова: abacus, accounting, age, antiquated, asia, asian, base, basic, bead, business, calculation, calculator, china, chinese, civilization, commerce, computer, contrivance, contrive, count, culture, develop, development, devise, discover, economic, economy, element, evolution, finance, foundation, innovate, innovation, invent, invention, inventive, isolated, lead, learning, math, mathematics, numeric, object, old, times, tool, total, trade, tradition, traditional,