** Export PDF
Install MacTex-basic [[http://www.tug.org/mactex/morepackages.html][MacTex-basic]] and some tex packages
#+BEGIN_SRC sh
+ wget http://tug.org/cgi-bin/mactex-download/BasicTeX.pkg
+
sudo tlmgr update --self
sudo tlmgr install titlesec framed threeparttable wrapfig multirow enumitem bbding titling tabu mdframed tcolorbox textpos import varwidth needspace tocloft ntheorem environ trimspaces collection-fontsrecommended capt-of