Ben shu gong fen 2 pian 9 zhang, Bao kuo ji chu pian he ying yong pian 2 bu fen. Zhong dian jie shao xin xi yu ji suan ji wen hua, Wei xing ji suan ji xi tong de zu cheng yu gong zuo yuan li, Duo mei ti ji shu ji fang bing du ji shu deng.