I would like that the table of contents does not show two times the word "Contents". How can I do ? The code is below .
\documentclass[12pt,a4paper]{article}
\usepackage[latin1]{inputenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{graphicx}
\usepackage{caption}
\usepackage{subfig}
\usepackage{multicol}
\usepackage{wrapfig}
\usepackage{booktabs}
\usepackage{float}
\usepackage{tocbibind}
\usepackage[toc,page]{appendix}
\usepackage{color}
\usepackage[square]{natbib}
\usepackage{isotope}
\usepackage{siunitx}
\usepackage{tabularx}
\usepackage{mhchem}
\usepackage{version}
\usepackage{hyperref}
\usepackage{hyperref,xcolor}
\definecolor{wine-stain}{rgb}{0.5,0,0}
\hypersetup{
colorlinks,
linkcolor=blue,
citecolor=blue,
linktoc=page
}
%\hypersetup{
% colorlinks,
% citecolor=blue,
% filecolor=blue,
%linkcolor=blue,
% urlcolor=blue
% linktoc=page
%}
\begin{document}
{\centering{
{\huge\textbf{Title} \
\vspace{20pt}
{\large Author} \
\vspace{20pt}
\Large Subtitle \
\vspace{5pt}
{\small Date}
\vspace{5pt}
\hrule
\vspace{30pt}}}}
\tableofcontents
\addcontentsline{toc}{section}{Abstract}
\section*{Abstract}
\end{document}
\documentclass[12pt,a4paper]{article}but now I have modified it . – HelpNeederStudent Nov 21 '20 at 10:55