| D02LYF | Second-order ODEs, IVP, diagnostics for D02LAF |
| D02NXF | ODEs, IVP, sparse Jacobian, linear algebra diagnostics, for use with D02M–N routines |
| D02NYF | ODEs, IVP, integrator diagnostics, for use with D02M–N routines |
| D02PYF | ODEs, IVP, integration diagnostics for D02PCF and D02PDF |
| D02PZF | ODEs, IVP, error assessment diagnostics for D02PCF and D02PDF |
| D02QXF | ODEs, IVP, diagnostics for D02QFF and D02QGF |
| D02QYF | ODEs, IVP, root-finding diagnostics for D02QFF and D02QGF |
| D02TZF | ODEs, general nonlinear boundary value problem, diagnostics for D02TKF |