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I've updated the cases section to explain \NC and \NT. Unfortunately the wiki's ConTeXt version doesn't seem to have this update, and so it shows the wrong output. [[User:Jack3103|Jack3103]]
=== Removed content 2024.05.12 ===
[[User:Garulfoo|Garulfoo]]
<texcode>
\startcases, \stopcases
\startmathmatrix, \stopmathmatrix
\startalign,\stopalign
</texcode>
Each has its own advantage and can be customized: for a thorough understanding of these commands please
refer to Aditya Mohajan's excellent user's guide
[https://wiki.contextgarden.net/images/archive/b/b4/20100530075041!Mathalign.pdf Using \startalign and friends].
These commands can be found in [[source:core-mat.tex|core-mat.tex]] file, which contains
most of the core ConTeXt math macros.
<context source="yes">
This is an example of aligned equations:
\startformula
\startcases[align={right,left},distance=3pt]
\NC 2x + 3y \NC{} = 10 \NR
\NC 3x + 2y \NC{} = 5, \NR
\stopcases
\stopformula
and this is another one:
\startformula
\startmatrix[align={right,left},distance=3pt,left={\left\{}, right={\right.}]
\NC 2x + 3y \NC{} = 10 \NR
\NC 3x + 2y \NC{} = 5 \NR
\stopmatrix
\stopformula
</context>
In these structures it is important (well, in the above example it is not important and the result is the same, but I have been told that it is necessary in some other situations...) to notice that the sign "=" is preceded by "\NC{}, since
otherwise that sign would be considered as a binary operator and the alignment would be
disturbed (at least this is what I guess…Otared K.).
