Hi, I am not sure of what you want. If you want something like this: aaa + bbb + ccc = eee + fff + ggg + hhh + iii + jjj + kkk + lll (formulanumber) you should write something like this: % Réf : http://ml-archives.mini.pw.edu.pl/ntg-context/msg06717.html % http://ml-archives.mini.pw.edu.pl/ntg-context/msg06720.html \placeformula \startformula \eqalignno{ aaa + bbb + ccc & = eee + fff + ggg & \cr & + hhh + iii + jjj & \cr & + kkk + lll & \formulanumber[eq:my-equation] \cr } \stopformula I hope it will help you. Seb Maarten Sneep wrote:

Hello Context user,

I'm trying to display a multi-line equation with a single number aligned with the last line. According to "The TeXbook" I should use \eqalignno{} for that. Unfortunately, this gobbles up the number. The other method of aligning th parts of my long equation (\eqalign) puts the number in the vertical center.

How am I supposed to do this?

Kind regards,

Maarten Sneep

The obligatory version info: ConTeXt ver: 2003.3.11 fmt: 2003.3.26

I found the following code, but I seriously do not understand this...

%% from math-pln.tex in ${TEXMF}/tex/context/base \def\eqalignno#1% {\displ@y \tabskip\centering \halign to \displaywidth {\hfil$\@lign\displaystyle{##}$\tabskip\z@skip &$\@lign\displaystyle{{}##}$\hfil\tabskip\centering &\llap{$\@lign##$}\tabskip\z@skip\crcr #1\crcr}}

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