箱のなかにチェックマークを入れる
\documentclass{article}
\usepackage{amsmath}
\usepackage{amssymb}
\begin{document}
$\text{\rlap{$\checkmark$}}\square$
\end{document}
\documentclass{article}
\usepackage{amsmath}
\usepackage{amssymb}
\begin{document}
$\text{\rlap{$\checkmark$}}\square$
\end{document}