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<p></p> <p><b>New page</b></p><div>[[Image:Zhuansuan.jpg|thumb|left|250px]] China's '''Zhusuan''' ('''珠算''') is the knowledge and practice of arithmetic calculation using an abacus, with a history of over 1800 years. The Chinese invention is considered as the world's most ancient computer. ([http://wiki.china.org.cn/wiki/index.php/Zhusuan More...])</div>

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