\NC v \NC = u \NC+ at \NR
\NC h \NC= ut \NC+ \frac12 gt^2 \NR
\stopalign \stopformula
</context>
This mechanism allows fancier alignments like
<texcode>
\startformula \startalign[n=4,align={left,right,middle,left}]
\NC \text{We have} \quad \NC v \NC = u \NC+ at \NR
\NC \text{and} \NC h \NC= ut \NC+ \frac12 gt^2 \NR
\stopalign \stopformula
</texcode>
<context>
\startformula \startalign[n=4,align={left,right,middle,left}]
\NC \text{We have} \quad \NC v \NC = u \NC+ at \NR
\NC \text{and} \NC h \NC= ut \NC+ \frac12 gt^2 \NR
\stopalign \stopformula
</context>