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# 為何學數學？

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### 為何學數學？

1. 1. 2005http://youtu.be/Ip0hG7FXVgs :http://teacher.whsh.tc.edu.tw/lichiou/f2blog/index.php?load=read&id=127The first story is about connecting the dots. If I had never dropped out, I would have never dropped in on this calligraphy class, and personal computers might not have the wonderful typography that they do. Of course it was impossible to connect the dots looking forward when I was in college. But it was very, very clear looking backwards ten years later. Again, you cant connect the dots looking forward; you can only connect them looking backwards. So you have to trust that the dots will somehow connect in your future. You have to trust in something — your gut, destiny, life, karma, whatever. This approach has never let me down, and it has made all the difference in my lifeMy second story is about love and loss.My third story is about death.
2. 2. If H(P,P)=halt Input then loop forever Program P Outputputogram P H(P,P) P as Input If H(P,P)=loop forever then halt
3. 3. String K(String P) If K(K) loop forever{ H(K,K) = “halt” if H(P, P) == “halt” { while (true) { } } else { If K(K) halt } H(K,K) ≠ “halt”}
4. 4. PTL (2002 2008 ) (2002) Basic Pascal C VB HTML/JavaScript/ASPFoxpro Java C# Android node.js AI/ Arduino .....