no, I copied the answer from 腦壇to show you. after posting

來源: 戲雨飛鷹 於 2010-01-10 20:21:28 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (38 bytes)
回答: i'm wrong. the value of exp(log2) id not 10:) 由 戲雨飛鷹 於 2010-01-10 19:29:45

here, I found it was totally wrong:).

請您先登陸，再發跟帖！