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EN KO

๐Ÿ“‹ Document Structure

๐Ÿ“„ Basic Structure

\documentclass{article} Article document class
\documentclass[12pt,a4paper]{article} With options
\begin{document} ... \end{document} Document body
\usepackage{packagename} Load package
\title{Title} \author{Name} \date{\today} Document metadata
\maketitle Generate title

๐Ÿ“š Document Classes

article Short documents, papers
report Longer reports with chapters
book Books
beamer Presentations
letter Letters

๐Ÿ“‘ Sections

\part{Part Title} Part (book/report)
\chapter{Chapter Title} Chapter (book/report)
\section{Section Title} Section
\subsection{Subsection} Subsection
\subsubsection{Sub-subsection} Sub-subsection
\paragraph{Para} Paragraph heading
\section*{Title} Unnumbered section

โœ๏ธ Text Formatting

๐Ÿ”ค Font Styles

\textbf{bold} Bold text
\textit{italic} Italic text
\underline{underlined} Underlined text
\texttt{monospace} Monospace/typewriter
\textsc{Small Caps} Small capitals
\emph{emphasized} Emphasized text

๐Ÿ“ Font Sizes

{\tiny text} Tiny
{\small text} Small
{\normalsize text} Normal
{\large text} Large
{\Large text} Larger
{\huge text} Huge

โ†”๏ธ Alignment

\begin{center} ... \end{center} Center align
\begin{flushleft} ... \end{flushleft} Left align
\begin{flushright} ... \end{flushright} Right align
\centering Center (in environment)

โ†•๏ธ Spacing

\\ Line break
\newline New line
\newpage New page
\vspace{1cm} Vertical space
\hspace{1cm} Horizontal space
\noindent No paragraph indent

๐Ÿงฎ Mathematics

โˆ‘ Math Modes

$...$ Inline math
\(...\) Inline math (alt)
$$...$$ Display math
\[...\] Display math (alt)
\begin{equation} ... \end{equation} Numbered equation
\begin{align} ... \end{align} Aligned equations

โˆž Common Symbols

\alpha \beta \gamma \delta Greek letters
\sum_{i=1}^{n} Summation
\prod_{i=1}^{n} Product
\int_{a}^{b} Integral
\frac{a}{b} Fraction
\sqrt{x} \sqrt[n]{x} Square/nth root
x^{2} x_{i} Superscript/subscript
\infty Infinity

โ‰ค Relations & Operators

\leq \geq \neq โ‰ค โ‰ฅ โ‰ 
\approx \equiv \sim โ‰ˆ โ‰ก โˆผ
\times \div \pm ร— รท ยฑ
\cdot \circ ยท โˆ˜
\in \notin \subset โˆˆ โˆ‰ โŠ‚
\cup \cap โˆช โˆฉ
\rightarrow \Rightarrow \leftrightarrow โ†’ โ‡’ โ†”

โ–ฆ Matrices

\begin{matrix} a & b \\ c & d \end{matrix} Plain matrix
\begin{pmatrix} ... \end{pmatrix} Parentheses matrix
\begin{bmatrix} ... \end{bmatrix} Bracket matrix
\begin{vmatrix} ... \end{vmatrix} Determinant

๐Ÿ“‹ Lists & Tables

โ€ข Lists

\begin{itemize} \item ... \end{itemize} Bullet list
\begin{enumerate} \item ... \end{enumerate} Numbered list
\begin{description} \item[term] def \end{description} Description list
\item List item
\item[*] Custom bullet

๐Ÿ“Š Tables

\begin{tabular}{|l|c|r|} ... \end{tabular} Basic table (l/c/r align)
\hline Horizontal line
& Column separator
\\ Row separator
\begin{table}[h] ... \end{table} Floating table
\caption{Table caption} Table caption
\multicolumn{2}{c}{text} Span columns

๐Ÿ–ผ๏ธ Figures & Graphics

๐Ÿ“ท Including Images

\usepackage{graphicx} Load graphics package
\includegraphics{image.png} Include image
\includegraphics[width=0.5\textwidth]{img} With width
\includegraphics[scale=0.5]{img} With scale
\includegraphics[angle=90]{img} Rotated

๐Ÿ–ผ๏ธ Figure Environment

\begin{figure}[htbp] ... \end{figure} Figure float (h=here, t=top, b=bottom, p=page)
\centering Center figure
\caption{Figure caption} Figure caption
\label{fig:name} Label for reference

๐Ÿ“š References & Citations

๐Ÿ”— Cross References

\label{sec:intro} Create label
\ref{sec:intro} Reference number
\pageref{sec:intro} Reference page
\eqref{eq:formula} Equation reference

๐Ÿ“– Bibliography

\usepackage[style=numeric]{biblatex} Load biblatex
\addbibresource{refs.bib} Add bib file
\cite{key} Cite reference
\parencite{key} Cite in parentheses
\printbibliography Print bibliography

๐Ÿ“ Footnotes

\footnote{Footnote text} Add footnote
\footnotemark Footnote mark only
\footnotetext{text} Footnote text only

๐Ÿ“ฆ Essential Packages

๐Ÿ”ง Common Packages

\usepackage{amsmath} Advanced math
\usepackage{amssymb} Math symbols
\usepackage{graphicx} Graphics
\usepackage{hyperref} Hyperlinks
\usepackage{geometry} Page geometry
\usepackage{xcolor} Colors
\usepackage{listings} Code listings
\usepackage{booktabs} Better tables
\usepackage{tikz} Drawing/diagrams

๐Ÿ’ก Tips & Best Practices

โœจ Useful Tips

  • Use % for comments in LaTeX
  • Compile twice for references to update
  • Use ~ for non-breaking space (Figure~1)
  • Escape special chars: \$ \% \& \# \_ \{ \}
  • Use \input{file} to include other .tex files
  • Use Overleaf for online collaborative editing