無聊人無聊事
我好無聊哦！誰能解悶咧？無聊做什麼？當然是上網繼續無聊把‘病毒’散播開來…… 哇！個個都無聊，我成功了……
2008-04-19
Mathematical constant - e
Learned this thing today.
The constant e is expressed by
which is calculated to have the value of 2.71828 18284 59045 23536... (to 20 decimal places)
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