LaTeX.org

I must have spent 2 h on this before posting, then figured it out minutes later. Figures.
Anyway, in case anyone else stumbles upon this looking for the solution:

\renewcommand{\theequation}{S.\arabic{equation}}

Putting this in the preamble solves the issue. Ridiculously simple.

Cheers,
Dave

I'm trying to reformat my equation numbers to include a letter in front of each automatically numbered item. So instead of (1), (2), ... , I'm trying to get (S1), (S2) ...

I'm fussy, so:
1. I'd like to get this working with automatic numbering to facilitate referencing
2. The prefix needs to show ...