Something Interesting To Learn
\begin
Discover why 18 million people worldwide trust Overleaf with their work.
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\usepackage{curves}
\usepackage[]{shadow}% untuk produce kota berbayang
\usepackage{chaptengah}
\usepackage{graphicx}
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\theoremstyle{definition}
\newtheorem{defn}{Definition}[section]
\theoremstyle{plain}
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\newtheorem{cor}[thm]{Corollary}
\newtheorem{lem}[thm]{Lemma}
\newtheorem{prop}[thm]{Proposition}
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\newcommand{\mut}{\mathop{\mathfrak{U}}\limits}
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\setcounter{chapter}{1}
\begin{document}
\listoffigures
\tableofcontents
\chapter{Differentiation}
\section{Definition}
\begin{defn}
Let $f$ be real-valued function...\\
$$\shabox{$f$ is differentiable at $c$ if" $\lim_{x\to c}\frac{f(x)-f(c)}{x-c}$}$$
%----------------------
\subsection{Formula $f^{'}(c)$}
\shabox{$f^{'}(c)=\lim_{x\to c}\frac{f(x)-f(c)}{x-c}$}
%----------------------
\section{How to insert image}
To insert image JPEG or Png are as follows
\begin{itemize}
\item open image
\item Click Print screens
\item open Paint
\item Click Ctrl+V
\item Click crop
\item save
\end{itemize}
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\begin{figure}[t!]
\centering
\includegraphics[width=0.5\textwidth]{lat.png}
\caption{Ini gambar saya}
\end{figure}
%---------------------
\section{Insert Graph from Excel}
\begin{figure}[h!]
\centering
\includegraphics[width=0.5\textwidth]{graph1.png}
\caption{Graph $y=x^3+2$}
\end{figure}
%---------------------
\section{How to create matrix}
\begin{verbatim}
\begin{cases}{ccc}
4&7&3\\
5&7&5
\end{cases}
\end{verbatim}
\begin{displaymath}
A=\left(\begin{array}{ccccc}
4&7&3\\
5&7&5\\
1&2&3
\end{array}\right)
\end{displaymath}
%------------
\section{Piecewise function}
\begin{displaymath}
f(x)=\begin{cases}
1,& 0<x<2\\
x,& 2 \le x <4\\
x^3+1,& x\geq 4
\end{cases}
\end{displaymath}
%---------------
\section{How to include Bibiliography automatically}
\end{defn}
\end{document}