I have an acer 98 computer but is it possible to change font/insert italic/or bold when doing email?

How can I change the font, insert italics, in my emmails.I have an acer 98 computer but is it possible to change font/insert italic/or bold when doing email?
you could try using these





bold....... %26lt; b %26gt;



italic....... %26lt; i %26gt;



underline... %26lt; u %26gt;



but without the spaces