With the computers and calculatorsspreading rapidly into every part of sociallives,more and more people rely on them tomake calculations.Do you know that abacus,however,the earliest form of digital computer,is still widely used for calculating orteaching numbers to children in the East?Now in Linhai,a famous city for its culturalheritage in the middle part of ZhejiangProvince,a non-governmental abacus museumthat opened its door to the punblic in With the computers and calculatorsspreading rapidly every every part of sociallives, more and more people rely on them tomake calculations. Do you know that abacus, however, the earliest form of digital computer, is still widely used for calculating orteaching numbers to children in the East ? Now in Linhai, a famous city for its culturalheritage in the middle part of ZhejiangProvince, a non-governmental abacus museumthat opened its door to the punblic in