[Latex][許許多多]

這篇會改很久很久.....

\mathds  ->  /usepackage{dsfont}  ->  texlive-fonts-extra

Helpful Website：
眾所皆知的　　Latex123
幫忙寫數學式　http://www.codecogs.com/latex/eqneditor.php
幫忙辨識符號　http://detexify.kirelabs.org/classify.html
Latex 的符號   http://web.ift.uib.no/Teori/KURS/WRK/TeX/symALL.html
http://en.wikibooks.org/wiki/LaTeX/Formatting
http://en.wikibooks.org/wiki/LaTeX/Mathematics
http://en.wikipedia.org/wiki/Help:Displaying_a_formula
Bib http://amath.colorado.edu/documentation/LaTeX/reference/faq/bibstyles.html