Re: Math help needed

[Bruce Horrocks <01.0032@granby.demon.co.uk>]

In message 
<Pine.BSF.4.30.0202031354360.68530-100000@tom.physik.fu-berlin.de>,
on Sun, 3 Feb 2002 at 13:56:26, Tobias Burnus wrote:

>Your plain TeX version works, but how about this:
>(ConTeXt used to count, noalign doesn't need a(n extra) \hbox{})
>
>\placeformula
>\startformula
>\eqalignno{
>  \sin^2 x &= 1-\cos^2 x & \formulanumber[sin]\cr
>\noalign{and also}
>  \cos^2 x &= 1-\sin^2 x & \formulanumber[cos]\cr
>}\stopformula

Thank-you very much: the \formulanumber was what I was looking for. I 
assume that the \placeformula just means put the formula here rather 
than allowing it to float?

>Then you can refer to these equation by using:
>\in[sin] produces 1
[snip]
This would have been my next question :-)

Regards,

-- 
Bruce Horrocks
Hampshire
England
bh@granby.demon.co.uk