| D03PUF
| Roe's approximate Riemann solver for Euler equations in conservative form, for use with D03PFF, D03PLF and D03PSF |
| D03PVF
| Osher's approximate Riemann solver for Euler equations in conservative form, for use with D03PFF, D03PLF and D03PSF |
| D03PWF
| Modified HLL Riemann solver for Euler equations in conservative form, for use with D03PFF, D03PLF and D03PSF |
| D03PXF
| Exact Riemann solver for Euler equations in conservative form, for use with D03PFF, D03PLF and D03PSF |
| X01ABF
| Provides the mathematical constant (Euler's constant) |