\BOOKMARK [1][-]{section.1}{Math formulas}{}% 1
\BOOKMARK [2][-]{subsection.1.1}{Some basics}{section.1}% 2
\BOOKMARK [2][-]{subsection.1.2}{Using Sage}{section.1}% 3
\BOOKMARK [2][-]{subsection.1.3}{Use Some random webpage}{section.1}% 4
\BOOKMARK [1][-]{section.2}{Sectioning and cross referencing}{}% 5
\BOOKMARK [1][-]{section.3}{Including graphics}{}% 6
