# get rid of the number of nonreferred equations [duplicate]

I have a lot of equations in my documents and I would like to get rid of the numbering for the ones that are not referred, is there a way to do that or I need to do it manually? I used the commands and \begin{align} for most of them. thanks

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## marked as duplicate by Lev Bishop, Gonzalo Medina, cmhughes, Harish Kumar, lockstepSep 14 '12 at 5:57

This question was marked as an exact duplicate of an existing question.

– canaaerus Sep 13 '12 at 17:33