$a\not \le 20$

Feel free to experiment here, after the four dashes below. Please do not create new pages without any meaningful content just to try it out!

You may want to open HelpOnEditing in a new window or tab while you edit. $\alpha$

Formatting [Edit]

italic bold typewriter

backtick typewriter (configurable)

bigger smaller this is how it works

preformatted some more and more
and some more lines too

def syntax(highlight):
    print "on"
    return None

  public void main(String[] args]){
     System.out.println("Hello world!");
  }

Linking [Edit]

There are anchor links here:

$/!\$ Alert

Heading1	Heading2	Heading3
item1	item2	item3