>>>>> "Ramon" == Ramon Diaz-Uriarte <[EMAIL PROTECTED]> writes:
Ramon> Hi, I'd like to change the format of the chapter, section, etc
Ramon> numbers, and use a letter instead of a number. I've tried
Ramon> \setcounter{chapter}{A} with no success (It just prints an A,
Ramon> right there, which I don't want, but nothing else seems to
Ramon> happen --e.g., my equations are still numbered using numbers,
Ramon> not A.#).
Try
\renewcommand{\thechapter}{\Alph{chapter}}
\thechapter is the macro used to printout the value of the 'chapter'
counter. You can use \arabic{}, alph{}, Alph{}, \roman{} or \Roman{},
depending on the numbering style you want.
JMarc