Changes

<texcode>\setupmathfractions[Below we show some of the often used fonts, together with the default setting and the one just suggested. The default look of the binomial][fences=parenthesiscoefficients look good in several fonts,%threshold=1but for example not perfect in Latin Modern. You may want to play with {{cmd|definemathfraction}}.5,]</texcode>

\framedsetuplayout[frametopspace=off1in,alignbottomspace=normal]{% <1in,header=0pt,footer=0pt,backspace=1in,margin=0pt,width=fit,height= just to improve wiki renderingfit,]

\starttabulate[|l|l|]startbuffer\NC \type{\binom{n}{k}} \NC : $\binom{n}{k}$ \NC\NRpar\NC \type{\tbinom{n}{k}} \NC : $\tbinom{n}{k}$ \NC\NRpar\NC \type{\dbinom{n}{k}} \NC : $\dbinom{n}{k}$ \NC\NR\stoptabulatepar

\startcolumns[n=2,separator=rule]

\subject{\bfa Default settings}

\subsubject{\it Latin Modern} \getbuffer \switchtobodyfont[pagella] \subsubject{\it Pagella} \getbuffer \switchtobodyfont[stixtwo] \subsubject{\it STIX Two} \getbuffer %\switchtobodyfont[lucidaot] %\subsubject{Lucida} %\getbuffer

\setupmathfractionsdefinemathfraction[binomial] [binom] [fences=parenthesis,rule=no]\definemathfraction[tbinomial] [binomial] [mathstyle=text]\definemathfraction[dbinomial] [binomial] [mathstyle=display] \startbuffer\type{\binomial{n}{k}}: $\binomial{n}{k}$\par\type{\tbinomial{n}{k}}: $\tbinomial{n}{k}$\par\type{\dbinomial{n}{k}}: $\dbinomial{n}{k}$\par\stopbuffer

\subject{\bfa With fences=parenthesistex{definemathfraction}}\subsubject{Latin Modern}\getbuffer

{\it Latin Modern} \getbuffer\switchtobodyfont[pagella] \subsubject{\it Pagella} \getbuffer \switchtobodyfont[stixtwo] \subsubject{\it STIX Two} \getbuffer %\switchtobodyfont[lucidaot] %\subsubject{Lucida} %\getbuffer \stopcolumns\stoptext