%%
%% The LaTeX Companion, 3ed
%%
%% Example 12-3-14 on page II-244 in "Support for Times math".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See
https://www.latex-project.org/lppl.txt for details.
%%
\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{183.0pt}
%StartShownPreambleCommands
\usepackage[upint]{newtxmath}
%StopShownPreambleCommands
\begin{document}
\[ \int \iint \iiint \iiiint \quad
\oint \oiint \oiiint \quad
\varointclockwise \ointctrclockwise \quad
\fint \sumint \sqint \]
\end{document}
