This is a test article used to test whether LaTeX is working as expected.
$$
x=HelloWorld\frac{Rin}{Chord}
$$
//[ x=HelloWorld\frac{Rin}{Chord} //]
Test $x=HelloWorld\frac{Rin}{Chord}$ Test
文本中的公式如 $E=mc^2$ 这样显示。
$x=HelloWorld\frac{Rin}{Chord}$
$$
LaTex_HERE
$$
- this is a test
rinchord