• *text* - displays as italics
• **text** - displays as bold
• ***text*** - displays as bold italics
• __text__ - displays as an underline
• ~~text~~ - displays as a strikethough
• [text](url) - displays as a hyperlink
•  - displays as an image
• ```text``` - displays as a code block (new lines allowed between the backticks)

 like this

• `text` - displays as inline code
• > text - displays as a blockquote (note the space after >)

like this

• # text - displays as a large header (note the space)

like this

• ## text - displays as a medium header (note the space)

like this

• ### text - displays as a small header (note the space)

like this

• $$ text $$ - renders a LaTeX formula (if enabled)
• $ text $ - renders an AsciiMath formula (if enabled)