Formula Sheet Template for Latex (Kile)

FormulaSheetTemplate.tex

\documentclass[12pt,a4paper]{article}
\usepackage{multicol}
\usepackage{calc}
\usepackage{geometry}
\usepackage{amsmath,amsthm,amsfonts,amssymb}
\usepackage{color,graphicx,gensymb}

% Add metadata to pdf
\pdfinfo{
  /Title (CHEE0000-MasterReferenceSheet.pdf)
  /Author (Name Here)
  /Subject (CHEE0000)
}

% Alter small margin
\geometry{top=2cm,left=1cm,right=1cm,bottom=1cm}

% Remove header & footer
\pagenumbering{gobble}
\pagestyle{myheadings}
\markright{Name Here\hfill c0000000}

% Redefine section commands to use less space & change font
\makeatletter
\renewcommand{\section}{\@startsection{section}{1}{0mm}%
                                {-1ex plus -.5ex minus -.2ex}%
                                {0.5ex plus .2ex}%x
                                {\normalfont\small\bfseries}}
\renewcommand{\subsection}{\@startsection{subsection}{2}{0mm}%
                                {-1explus -.5ex minus -.2ex}%
                                {0.5ex plus .2ex}%
                                {\normalfont\small}}
\renewcommand{\subsubsection}{\@startsection{subsubsection}{3}{0mm}%
                                {-1ex plus -.5ex minus -.2ex}%
                                {1ex plus .2ex}%
                                {\normalfont\small\bfseries}}
\makeatother

% Hide section numbers
\setcounter{secnumdepth}{0}
% Hide indentations
\setlength{\parindent}{0pt}
\setlength{\parskip}{0pt plus 0.5ex}

\begin{document}
\raggedright
\footnotesize
\begin{multicols}{2}
%\setlength{\columnseprule}{0.25pt} % Enable to render line between columns
\setlength{\premulticols}{1pt}
\setlength{\postmulticols}{1pt}
\setlength{\multicolsep}{1pt}
\setlength{\columnsep}{2pt}
% Beginning of Document

\begin{center}
     \Large{\underline{CHEE0000 - Reference Sheet}} \\
\end{center}

\section{Energy}
\subsection{Kinetic}

% End of Document
\end{multicols}
\end{document}