Thursday, January 7, 2010

CHINESE MATHEMATICS 2

blogtunm.blogspot.com Tun M 
I had written on Chinese Mathematics on January 1st. Many showed interest in wanting to contact Prefessor Xu Si Zhong. Here is his contact detail;

Beijing Xusizhong Abacus & Mental Arithmetic Education Science Co. Ltd
Plaza Cheng Jian, 3rd Floor, Room No.B307 & 308
No.18 Beitaipingzhuang Road, Haidian District, Beijing, China

Tel: 0086.10.82255948

Email: xusizhong@xsz.net.cn or xusizhong@sina.com.cn
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