Chinese-American physicist Li Zhengdao said, The Chinese abacus is the oldest computer in the world, and the British scholar Needham also praised the abacus as China's fifth greatest invention. Then, why is the abacus so attractive that two What is so highly respected by scholars? It solves the calculation problem of addition, subtraction, multiplication and division and even prescription with the simple structure of frame beam and beads, coupled with the exquisite abacus formula. In the era without computers, it has played an inestimable role in promoting social and economic development.
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Reasons why the abacus is so respected