% Symbol denoting the Langevin function
\newcommand{\Langevin}{\ensuremath{\mathcal{L}}}
+% Symbol denoting big-O order of #1
+\newcommand{\order}[1]{\ensuremath{\mathcal{O}\p({#1})}}
% Integral from #1 to #2 of #4 with respect to #3
\newcommand{\integral}[4]{\ensuremath{\int_{#1}^{#2} {#4} \dd{#3}}}
\newcommand{\colAB}[1]{\textcolor{purple}{#1}}
\newcommand{\colC}[1]{\textcolor{green}{#1}}
+\newcommand{\cf}{\emph{cf.}} % "confer" or "bring together" / "compare"
\newcommand{\ie}{\emph{i.e.}} % "id est" or "in other words"
\newcommand{\insilico}{\emph{in silico}} % quasi latin for "on a computer"
\newcommand{\invitro}{\emph{in vitro}} % latin for "in glass"