\definereferenceformat[eqref][left={(},right={)}]

\starttext

\startchapter[title=one]

\placeformula[eq:gamma:11] \startformula \Gamma(n+1)=n! \stopformula
\placeformula[eq:gamma:12] \startformula \Gamma(n+1)=n! \stopformula

\startsubformulas[Maxwell]
    \startformulas
     \startformula \startalign
       \NC \nabla\cdot\bf E  \NC = \frac{\rho}{\varepsilon_0} \NR[Maxwell 1]
       \NC \nabla\times\bf E \NC = - \frac{\partial\bf B}{\partial t} \NR[Maxwell II]
       \stopalign \stopformula
       \startformula \startalign
         \NC \nabla\cdot \bf B \NC = 0 \NR[Maxwell III]
         \NC \nabla\times\bf B \NC = \mu_0{\bf j}+\varepsilon_0\mu_0\frac{\partial\bf E}{\partial t} \NR[Maxwell IV]
       \stopalign \stopformula
   \stopformulas
\stopsubformulas

\placeformula[eq:gamma:13] \startformula \Gamma(n+1)=n! \stopformula
\placeformula[eq:gamma:14] \startformula \Gamma(n+1)=n! \stopformula

The fundamental formula~\eqref[eq:gamma:11]\par
The fundamental formula~\eqref[eq:gamma:12]\par
The fundamental formula~\eqref[eq:gamma:13]\par
The fundamental formula~\eqref[eq:gamma:14]\par
The fundamental formula~\eqref[eq:gamma:21]\par
The fundamental formula~\eqref[eq:gamma:22]\par
The fundamental formula~\eqref[eq:gamma:23]\par
The fundamental formula~\eqref[eq:gamma:24]\par

\stopchapter

\startchapter[title=two]

\placeformula[eq:gamma:21] \startformula \Gamma(n+1)=n! \stopformula
\placeformula[eq:gamma:22] \startformula \Gamma(n+1)=n! \stopformula

\startsubformulas[Maxwell]
    \startformulas
     \startformula \startalign
       \NC \nabla\cdot\bf E  \NC = \frac{\rho}{\varepsilon_0} \NR[Maxwell 1]
       \NC \nabla\times\bf E \NC = - \frac{\partial\bf B}{\partial t} \NR[Maxwell II]
       \stopalign \stopformula
       \startformula \startalign
         \NC \nabla\cdot \bf B \NC = 0 \NR[Maxwell III]
         \NC \nabla\times\bf B \NC = \mu_0{\bf j}+\varepsilon_0\mu_0\frac{\partial\bf E}{\partial t} \NR[Maxwell IV]
       \stopalign \stopformula
   \stopformulas
\stopsubformulas

\placeformula[eq:gamma:23] \startformula \Gamma(n+1)=n! \stopformula
\placeformula[eq:gamma:24] \startformula \Gamma(n+1)=n! \stopformula

The fundamental formula~\eqref[eq:gamma:11]\par
The fundamental formula~\eqref[eq:gamma:12]\par
The fundamental formula~\eqref[eq:gamma:13]\par
The fundamental formula~\eqref[eq:gamma:14]\par
The fundamental formula~\eqref[eq:gamma:21]\par
The fundamental formula~\eqref[eq:gamma:22]\par
The fundamental formula~\eqref[eq:gamma:23]\par
The fundamental formula~\eqref[eq:gamma:24]\par

\stopchapter

\stoptext
