LaTeX with org-mode

For exporting a math pdf.

#+OPTIONS:    toc
#+LATEX_HEADER: \usepackage{amsmath}
#+LATEX_HEADER: \usepackage{amssymb}
#+LATEX_HEADER: \usepackage{tikz}
#+LATEX_HEADER: \usetikzlibrary{positioning, calc, arrows.meta, angles, quotes, decorations.pathreplacing, patterns}
#+LATEX_HEADER: \usepackage[margin=2.5cm]{geometry}
#+LATEX_HEADER: \usepackage{fancyhdr}
#+LATEX_HEADER: \pagestyle{fancy}
#+LATEX_HEADER: \fancyhf{}
#+LATEX_HEADER: \fancyhead[L]{\small\textsc{Pre-Algebra Reference}}
#+LATEX_HEADER: \fancyhead[R]{\small\thepage}
#+LATEX_HEADER: \renewcommand{\headrulewidth}{0.4pt}
#+LATEX_HEADER: \renewcommand{\footrulewidth}{0pt}
#+LATEX_HEADER: \usepackage{booktabs}
#+LATEX_HEADER: \usepackage{enumitem}
#+LATEX_HEADER: \setlist{nosep, leftmargin=1.5em}
#+LATEX_HEADER: \setlength{\parskip}{0.4em}
#+LATEX_HEADER: \setlength{\parindent}{0pt}
#+LATEX: \newpage

References