Here are the Code examples of of this chapter. You can compile them online right on this web page by pressing the Typeset / Compile button. You can also edit them for testing, and compile again.
For a better view with the online compiler, I sometimes use \documentclass[border=10pt]{standalone} instead of \documentclass{article}. Instead of having a big letter/A4 page, the standalone class crops the paper to see just the visible text without an empty rest of a page.
Any question about a code example? Post it on LaTeX.org, I will answer. As forum admin I read every single question there. (profile link).
\documentclass{book}\usepackage[a6paper]{geometry}\usepackage{lmodern}\usepackage{microtype}\usepackage{lettrine}\begin{document}\lettrine{O}{nce upon a time}, professional writer useda mechanical machine called a typewriter. It commonlyprinted fixed-width characters. Emphasizing was done bywriting all capitals, and by underlining.\end{document}
\documentclass{article}\usepackage{fmtcount}\begin{document}\section{Introduction}This document should have \numberstringnum{32}pages, now we are on page \numberstring{page}in the \ordinalstring{section} section.\end{document}
\documentclass{article}\usepackage{moreenum}\begin{document}\begin{enumerate}[label=\Nthwords*]\item live\item long\item prosper\end{enumerate}\end{document}
\documentclass{article}\usepackage[english]{babel}\usepackage[pangram]{blindtext}\usepackage{tcolorbox}\pagestyle{empty}\begin{document}\begin{tcolorbox}\blindtext\end{tcolorbox}\end{document}\begin{tcolorbox}[title=\textbf{Examples},colback=blue!5!white,colframe=blue!75!white]The text below consists of pangrams.\tcblower\blindtext[3]\end{tcolorbox}\tcbset{colframe=green!50!black,colback=white,colupper=green!30!black,fonttitle=\bfseries, center title,nobeforeafter, tcbox raise base}Normal text \tcbox{Boxed text}\tcbox[left=0pt,right=0pt,top=0.5ex,bottom=0pt,boxsep=0pt,toptitle=0.5ex,bottomtitle=0.5ex,title=Sample table]{\begin{tabular}[t]{rl}Number & 100 \\Sum & 350\end{tabular}}\end{document}
\documentclass[paper=a4,oneside,fontsize=11pt,parskip=full]{scrartcl}\usepackage{showframe}\pagestyle{empty}\begin{document}\tableofcontents\addsec{Introduction}This document will be our starting point for simpledocuments. It is suitable for a single page or up toa couple of dozen pages.The text will be divided into sections.\section{The first section}This first text will contain\begin{itemize}\item a table of contents,\item a bulleted list,\item headings and some text and math in section,\item referencing such as to section \ref{sec:maths} andequation (\ref{eq:integral}).\end{itemize}We can use this document as a template for filling inour own content.\section{Some maths}\label{sec:maths}When we write a scientific or technical document, we usuallyinclude math formulas. To get a brief glimpse of the look ofmaths, we will look at an integral approximation of a function$f(x)$ as a sum with weights $w_i$:\begin{equation}\label{eq:integral}\int_a^b f(x)\,\mathrm{d}x \approx (b-a)\sum_{i=0}^n w_i f(x_i)\end{equation}\end{document}
\documentclass[paper=a4,oneside,fontsize=11pt,parskip=full]{scrartcl}\usepackage[a4paper,bindingoffset=5mm,showframe]{geometry}\geometry{showframe}\begin{document}\tableofcontents\addsec{Introduction}This document will be our starting point for simpledocuments. It is suitable for a single page or up toa couple of dozen pages.The text will be divided into sections.\section{The first section}This first text will contain\begin{itemize}\item a table of contents,\item a bulleted list,\item headings and some text and math in section,\item referencing such as to section \ref{sec:maths} andequation (\ref{eq:integral}).\end{itemize}We can use this document as a template for filling inour own content.\section{Some maths}\label{sec:maths}When we write a scientific or technical document, we usuallyinclude math formulas. To get a brief glimpse of the look ofmaths, we will look at an integral approximation of a function$f(x)$ as a sum with weights $w_i$:\begin{equation}\label{eq:integral}\int_a^b f(x)\,\mathrm{d}x \approx (b-a)\sum_{i=0}^n w_i f(x_i)\end{equation}\end{document}
\documentclass[paper=a4,oneside,fontsize=12pt,parskip=full]{scrartcl}\usepackage{layout}\begin{document}\layout\tableofcontents\addsec{Introduction}This document will be our starting point for simpledocuments. It is suitable for a single page or up toa couple of dozen pages.The text will be divided into sections.\section{The first section}This first text will contain\begin{itemize}\item a table of contents,\item a bulleted list,\item headings and some text and math in section,\item referencing such as to section \ref{sec:maths} andequation (\ref{eq:integral}).\end{itemize}We can use this document as a template for filling inour own content.\section{Some maths}\label{sec:maths}When we write a scientific or technical document, we usuallyinclude math formulas. To get a brief glimpse of the look ofmaths, we will look at an integral approximation of a function$f(x)$ as a sum with weights $w_i$:\begin{equation}\label{eq:integral}\int_a^b f(x)\,\mathrm{d}x \approx (b-a)\sum_{i=0}^n w_i f(x_i)\end{equation}\end{document}
% !TEX=lualatex\documentclass[paper=a4,oneside,fontsize=11pt,parskip=full]{scrartcl}\usepackage{lua-visual-debug}\pagestyle{empty}\begin{document}\tableofcontents\addsec{Introduction}This document will be our starting point for simpledocuments. It is suitable for a single page or up toa couple of dozen pages.The text will be divided into sections.\section{The first section}This first text will contain\begin{itemize}\item a table of contents,\item a bulleted list,\item headings and some text and math in section,\item referencing such as to section \ref{sec:maths} andequation (\ref{eq:integral}).\end{itemize}We can use this document as a template for filling inour own content.\section{Some maths}\label{sec:maths}When we write a scientific or technical document, we usuallyinclude math formulas. To get a brief glimpse of the look ofmaths, we will look at an integral approximation of a function$f(x)$ as a sum with weights $w_i$:\begin{equation}\label{eq:integral}\int_a^b f(x)\,\mathrm{d}x \approx (b-a)\sum_{i=0}^n w_i f(x_i)\end{equation}\end{document}
\documentclass{article}\usepackage[english]{babel}\usepackage{blindtext}\usepackage{microtype}\usepackage[fontsize=10pt,baseline=12pt]{grid}\begin{document}\twocolumn\section*{Two columns}\blindtext[3]\begin{figure}\centering\fbox{\makebox(50,50){}}\caption{A dummy figure}\end{figure}\begin{gridenv}\begin{equation}\sum_n f(n)\end{equation}\end{gridenv}Text\end{document}
\documentclass{article}\usepackage[english]{babel}\usepackage{blindtext}\usepackage{microtype}\begin{document}\twocolumn\section*{Two columns}\blindtext[3]\begin{figure}\centering\fbox{\makebox(50,50){}}\caption{A dummy figure}\end{figure}\begin{equation}\sum_n f(n)\end{equation}Text\end{document}
\documentclass{article}% compile until last test is stable\usepackage[english]{babel}\usepackage{blindtext}\usepackage{microtype}\usepackage[fontsize=10pt,baseline=12pt]{grid}\usepackage{gridset}\usepackage{amsmath}\begin{document}\twocolumn\section*{Two columns}\blindtext[3]\begin{figure}\centering\fbox{\makebox(50,50){}}\caption{A dummy figure}\end{figure}\begin{align}y &= \sum_{n=1}^3 f(n) \\&= f(1) + f(2) + f(3)\end{align}\par\vskipnextgrid\noindentText\end{document}
\documentclass[a5paper]{article}\usepackage{lipsum}\usepackage{graphicx}\usepackage{showframe}\usepackage{eso-pic}\usepackage{picture}\pagestyle{empty}\begin{document}\AddToShipoutPictureBG{%\setlength{\unitlength}{1cm}%\put(2.5,2){Test document}%\put(\paperwidth-2cm,2cm){\llap{\thepage}}%}\AddToShipoutPictureBG*{%\AtPageLowerLeft{Page bottom left}%\AtPageUpperLeft{\raisebox{-\height}{Page top left}}%\AtTextUpperLeft{\raisebox{-\height}{%\color{red}Text area top left}}%}\AddToShipoutPictureFG{%\AtPageCenter{\rotatebox{15}{\makebox[0pt]{%\Huge\bfseries\color{red}Confidential}}}%}\lipsum\end{document}
\documentclass{article}\usepackage{blindtext}\usepackage{shapepar}\pagestyle{empty}\begin{document}\shapepar{\heartshape}\blindtext[2]\end{document}
\documentclass{article}\usepackage{blindtext}\usepackage{shapepar}\pagestyle{empty}\begin{document}\cutout{l} (5ex,2\baselineskip) \setlength{\cutoutsep}{8pt}\shapepar{\circleshape} a few words of text\par\blindtext\end{document}
\documentclass{article}\usepackage{lipsum}\usepackage{pullquote}% http://bazaar.launchpad.net/~tex-sx/tex-sx/development/view/head:/pullquote.dtx\newcommand{\myquote}{%\parbox{4cm}{\hrule\vspace{1ex}\textit{I can’t go to a restaurant and order foodbecause I keep looking at the fonts on the menu.}\hfill Knuth, Donald (2002)%\vspace{1ex}\hrule}%}\pagestyle{empty}\begin{document}\begin{pullquote}{object=\myquote}\lipsum[1]\end{pullquote}\end{document}
\documentclass{article}\usepackage{lipsum}\usepackage{pullquote}% http://bazaar.launchpad.net/~tex-sx/tex-sx/development/view/head:/pullquote.dtx\usepackage{tikz}\newcommand{\mylogo}{%\begin{tikzpicture}\node[shape=circle,draw=gray!40,line width=3pt,fill={gray!15},font=\Huge] {\TeX};\end{tikzpicture}%}\pagestyle{empty}\begin{document}\begin{pullquote}{shape=circular,object=\mylogo}\lipsum[1]\end{pullquote}\end{document}
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