[Tex/LaTex] How to make the integral sign smaller

Question

Is it possible to make the integral sign smaller? I found that in the Display Mode the integral sign seems automatically longer. But I am in a context where smaller integral sign would be preferred.

Thanks.

Answer 1

If you prefer to have any size of the integral sign (you can choose the size that you like), it is possible to use scalerel package with the option \scaleobj{<scale factor>}{...}.

\documentclass[a4paper,12pt]{article}
\usepackage{mathtools}
\usepackage{scalerel}


\begin{document}
\[
\int^{b}_{a}\frac{1}{x}\,dx, \quad 
\scaleobj{.5}{\int^{b}_{a}}\frac{1}{x}\,dx,
\quad 
\scaleobj{1.5}{\int^{b}_{a}}\frac{1}{x}\,dx,
\quad 
\scaleobj{2}{\int^{b}_{a}}\frac{1}{x}\,dx,\quad
\scaleobj{.3}{\int^{b}_{a}}\frac{1}{x}\,dx
\]
\end{document}