3-NIRVANA-user-guide/3.2-User-interfaces.md

@@ -635,8 +635,8 @@ possible values or a numeric range.
         perpendicular to the magnetic field (meaningless in isotropic
         conduction).
 
-    -   `_C.conduction_coeff_sat` (typical value: 0.3): $\Psi$ is the
-        parameter in the saturation heat flux model of \[[CM77](#references)\] (cf.
+    -   `_C.conduction_coeff_sat` (typical value: 0.3): $\Psi$-parameter
+        in the saturation heat flux model of \[[CM77](#references)\] (cf.
         [physics
         guide](https://gitlab.aip.de/ziegler/NIRVANA/-/tree/master/doc/pdf/PhysicsGuide.pdf)).
 
@@ -728,8 +728,8 @@ possible values or a numeric range.
         adiabatic index is not a freely selectable parameter but is
         approximated by the expression
 
-        $$\gamma=\left[5(n_\mathrm{H}+n_\mathrm{He}+n_\mathrm{e})+7n_{\mathrm{H}_2}\right]
-        /\left[3(n_\mathrm{H}+n_\mathrm{He}+n_\mathrm{e})+5n_{\mathrm{H}_2}\right]$$.
+        $$\gamma=\frac{5(n_\mathrm{H}+n_\mathrm{He}+n_\mathrm{e})+7n_{\mathrm{H}_2}}
+        {3(n_\mathrm{H}+n_\mathrm{He}+n_\mathrm{e})+5n_{\mathrm{H}_2}}$$.
 
     -   `_C.polytropic_constant`: polytropic constant in the polytropic
         EOS.