I don't know why I'm getting
> ! Missing $ inserted.
<inserted text>
$
l.11 m^
*(E) := \inf_P m(P)
My code
\documentclass[border=1pt, convert={outext=.png}]{standalone}
\usepackage{amsfonts}
\usepackage{mathtools}
\usepackage{amsmath,esint}
\usepackage{amssymb}
\usepackage{siunitx}
\usepackage{braket}
\usepackage[utf8]{inputenc}
\begin{document}
\begin{equation*}
m^*(E) := \inf_P m(P)
\end{equation*}
\end{document}
standalone.) My output. – Mar 30 '19 at 16:51equation*doesn't make sense instandalone. – egreg Mar 30 '19 at 16:55varwidthoption. Adding it will work. – Mar 30 '19 at 16:59\(and\)or$and$(and posibly some\displaystyles). Or you should usepreviewoptionb while loading thedocumentclass. Possible duplicate: https://tex.stackexchange.com/q/50162/120578 – koleygr Mar 30 '19 at 17:00