With this example code from the wiki (slightly modified for use here): \setuppapersize[A5] \starttext \placeformula[eq:pythagoras] \startformula   a^2+b^2=c^2 \stopformula This is explained in \in{Equation}{.}[eq:pythagoras] \stoptext The following output is obtained: A good excuse to stop for the night, thank you. -- Rik