LatexTips
Algorithm Environment:
\usepackage[plain]{algorithm}
\usepackage{algpseudocode}
\usepackage{algorithmicx}
\renewcommand{\thealgorithm}{\snum\arabic{algorithm}}
Supplemental Information Tips:
How to cross reference figures from a different latex file (such as supplemental material)
(scroll down to the post by william bedel)
(requires the aux files from both documents to work)
How to continue your numbering from a previous document:
\setcounter{equation}{6}
\bibitem[61] or this workaround
Figures:
Subfigures and captions