change the equation numbering in latex
Change from (1) to (S1), use the command below
\renewcommand\theequation{ S\arabic{equation}}
\arabic{page} 4
\roman{page} iv
\Roman{page} IV
\alph{page} d
\Alph{page} D
http://www.iam.ubc.ca/old_pages/newbury/tex/numbering.html
\renewcommand{\thefigure}{\thechapter.\arabic{figure}}
^notice the period here!
This gives Figure numbers
1.1, 1.2 ... 1.4,
2.5, 2.6 ... 2.11,
3.12,...
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if someone would like to change the figure numbering, it should be similar.