\starttext
\startformula
\overbar{q} = \frac{\overbar{q}}{\overbar{α_0}}
\stopformula
In text $\overbar{q} = \frac{\overbar{q}}{\overbar{α_0}}$.
\startformula
\overbar{q_0} = \frac{\overbar{q}}{\overbar α}
\stopformula
\stoptext