A starting point for your next idea.

\documentclass{article}
\begin{document}
Hello, world!
\end{document}

\documentclass[11pt]{article}
\usepackage[margin=1in]{geometry}
\usepackage{amsmath,amssymb,graphicx,booktabs,hyperref}
\title{A little room for a big idea}
\author{Your name}
\date{\today}
\begin{document}
\maketitle
\begin{abstract}
Every good paper begins with a question. Write yours here.
\end{abstract}
\section{Introduction}
Welcome to your new document. Edit this source and watch your PDF take shape.
\section{An elegant result}
The most interesting ideas often have a simple expression:
\begin{equation}
  e^{i\pi} + 1 = 0.
\end{equation}
\section{What comes next}
Make a claim. Show your work. Leave something worth thinking about.
\end{document}

\documentclass[11pt]{report}
\usepackage[margin=1in]{geometry}
\usepackage{amsmath,graphicx,hyperref}
\title{Technical report}\author{Your name}\date{\today}
\begin{document}
\maketitle\tableofcontents
\chapter{Introduction}
Describe the problem and why it matters.
\chapter{Method}
Explain how you approached it.
\chapter{Results}
Share what you learned.
\end{document}

\documentclass[12pt]{report}
\usepackage[margin=1in]{geometry}
\usepackage{amsmath,graphicx,hyperref}
\title{Thesis title}\author{Your name\\Your university}\date{\today}
\begin{document}
\maketitle
\begin{abstract}A concise summary of your research.\end{abstract}
\tableofcontents
\chapter{Introduction}\input{chapters/introduction}
\chapter{Literature review}Place your work in context.
\chapter{Conclusion}Summarize your contribution.
\end{document}

\documentclass[10pt]{article}
\usepackage[margin=0.7in]{geometry}
\usepackage{fontspec,enumitem,hyperref}
\setmainfont{TeX Gyre Heros}
\pagestyle{empty}
\begin{document}
\begin{center}{\LARGE Your Name}\\[6pt]you@example.com \quad Your city\end{center}
\section*{Experience}
\textbf{Role title}\hfill 2024--Present\\Organization
\begin{itemize}[leftmargin=*]\item Describe a meaningful result and your contribution.\end{itemize}
\section*{Education}
\textbf{Degree and field}\\University name
\section*{Skills}
Research, writing, analysis, and collaboration.
\end{document}

\documentclass{letter}
\usepackage[margin=1in]{geometry}
\signature{Your name}\address{Your address\\Your city}
\begin{document}
\begin{letter}{Recipient name\\Organization}
\opening{Dear colleague,}
Start with the reason you are writing. Keep it clear and personal.
\closing{Sincerely,}
\end{letter}
\end{document}

\documentclass{beamer}
\usetheme{Madrid}
\title{An idea worth sharing}\author{Your name}\date{\today}
\begin{document}
\frame{\titlepage}
\begin{frame}{The question}
What are we trying to understand?
\begin{itemize}\item Context\item Approach\item Discovery\end{itemize}
\end{frame}
\begin{frame}{A simple result}\[e^{i\pi}+1=0\]\end{frame}
\end{document}