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From: "PIERRE LEDEVEDEC" <pierreledevedec@minitel.net>
Newsgroups: gmane.comp.tex.context
Subject: Formula numbering and counter
Date: Mon, 17 Mar 2003 13:19:02 +0100 (MET)
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Hi,

I would like to change the numbering of several formulae as follows:

<mathematical expression>          (1.1)
<mathematical expression>          (1.2a)  % here is 
<mathematical expression>          (1.2b)  % the problem
<mathematical expression>          (1.3)

I don't know how to access the formula counter for the English interface
 of ConTeXt. (I only know that it is \formulenummer for the Dutch one.)

Also, how do you control the counter incrementation to produce (1.2a),
(1.2b) and the jump to (1.3) as automatic as possible =3F (I know that I =

have to use \eqalignno and &(<macroformulanumber>) for the generation of
 the number.)

Thank you in advance for your answers.

Regards,
Pierre.