家住蒲汇塘边，闲来打渔为生.大陆帖子常被和谐，所有博客都曾被关闭。此地来偷闲。
My blog were censored or blocked in mainland China. To backup my files, post here.
2011年12月6日星期二
A simple method to construct Hendecagon with classic method
I am happy to find a simple and clear method to consutruct hendecagon with hyper accuracy 1E-11,the better way than last one. and the accuracy is even better.
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