This is an H1

Markdown plus h2 with a custom ID {#id-goes-here}

$$\begin{align} \rho_{X,Y} &= \frac{cov(X,Y)}{\sigma_X\sigma_Y} \ &= \frac{E[(X-\mu_X)(Y-\mu_Y)]}{\sigma_X\sigma_Y} \end{align}$$

A	B	C
1	Male	Blue
2	Female	Pink

To be, or not to be, that is the question: Whether 'tis nobler in the mind to suffer The slings and arrows of outrageous fortune,

nested blockquote

[header][]

This is an example inline link. This link has no title attribute.

[]

This is [an example][id] reference-style link. This is [an example][id] reference-style link. [id]: http://daringfireball.net/

Visit [Daring Fireball][] for more information. [Daring Fireball]: http://daringfireball.net/

I get 10 times more traffic from Google 1 than from Yahoo 2 or MSN 3.

I get 10 times more traffic from Google than from Yahoo or MSN.

![Alt text][id] [id]: path_url/to/image "Optional title attribute"

Apple : Pomaceous fruit of plants of the genus Malus in the family Rosaceae. : An american computer company.

single asterisks single underscores

double asterisks double underscores

code --version

 var s = "JavaScript syntax highlighting";
 alert(s);

This line has two spaces at the end (hard for you to see, but trust me!). So this is a separate line in the same paragraph.