Bold Print

If you press the button With the "B" on it you get [b.][/b.] (without the .)
press in between ] and [ and then write what you want to be bold.

EXAMPLE

Italics

if you press the "I" button, you get [i.][/i.] (again without the .)
press in between ] and [ and write what you want to be in italics

EXAMPLE

Underline

If you press the "U" button you will get [u.] [/u.]
press in between the [ and the ] and write what you want to be underlined

EXAMPLE

subscript

if you press the "sub" button you get [sub.] [/sub.]
do the same as all the step 2s

_EXAMPLE

superscript

if you press the "sup" button you get [sup.] [/sup.]
repeat #2 on the subscript thing

^EXAMPLE

will add more :)