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I just read a book where the equations in the Introduction were numbered slightly differently compared to the other sections, namely by (In.x) where x stands for the number (so it starts off as (In.1), (In.2), (In.3) and so on.

I'd like to try this this but I haven't found out so far how to do this systematically, i.e. not tagging each equation manually but rather using someting like the \label functionality .. any suggestions?

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1 Answer 1

up vote 8 down vote accepted

You can do this using


If you want to switch it back, you can use


A complete MWE follows.



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there must be a duplicate somewhere (I did search)... if someone points it out, I'll delete my answer... – cmhughes Jan 1 '13 at 20:20

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