ML"></script>

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h1 {
  background: #CCCCCC;
  padding: .2em 1em;
  border-top: 3px solid #666666;
  border-bottom: 3px solid #999999;
}
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</head>
<body>

<center>
<h1>A test of Equation Numbering</h1>
</center>

<div style="padding:0 2em">
<hr>
Equation:

\begin{equation}
E = mc^2
\end{equation}

Equation*:

\begin{equation*}
E = mc^2
\end{equation*}

<hr>
Brackets:

\[E = mc^2\]

Brackets tagged:

\[E = mc^2\tag{x}\]

<hr>
Split:

\begin{equation}
\begin{split} 
a& =b+c-d\\ 
& \quad +e-f\\ 
