| TauP.R-package | Earthquake Traveltime Calculations for 1-D Earth Models |
| ak135 | ak135 Earth Model |
| AnalyzeLVZ | Analyze Low Velocity Zones |
| CalcTP | Calculate Layer Traveltime |
| CalcTPsum | Calculate Traveltime along Ray Leg |
| CalcXP | Calculate Horizontal Travel |
| CalcXPsum | Horizontal Distance along Ray Leg |
| ConvAng2p | Angle to Ray Parameter |
| ConvP2Ang | Angle to Ray Parameter |
| ConvP2Vdepth | Vertex Depth and Ray Parameter |
| ConvP2Vdepthinv | Vertex Depth and Ray Parameter |
| ConvVdepth2p | Vertex Depth to Ray Parameter |
| DistSummary | Arrival Summary |
| Earthplot | Planet Cross-section |
| EmptyModel | Empty Planet Model |
| FindDiscon | Identify Discontinuities |
| FindDist4p | Epicentral Distance |
| FindP4Dist | Ray Parameter for Epicentral Distance |
| FindPrange | Ray Parameter Range for Phase |
| FindRoots | Find Roots of X(a) Error Function |
| FindTime4p | Travel time for Ray Parameter |
| GreatDist | Distance Along Great Circle Arc |
| HoneP | Hone Ray Parameter |
| iasp91 | IASP91 Earth Model |
| ImproveModel | Improve Planet Model |
| InterpModel | Linear Interpolation of Planet Model |
| LinInterp | Linear Interpolation |
| LVZSmp | Identify LVZs |
| MakePscan | Find Distance of p Function |
| meshgrid | Create a mesh grid like in Matlab |
| model | ak135 Earth Model |
| OptimizeDist | Find Extrema in D(a) |
| polaraxis | Polar Plot Axis |
| PolarPlot | Polar Plot |
| Rayfan | Ray Fan |
| ReadCLR | Read Model File |
| ReadND | Read Model File |
| SlopeInt | Find Slope and Intercept |
| StripRepetitions | Remove Repetitions from Phase |
| TauP.R | Earthquake Traveltime Calculations for 1-D Earth Models |
| TransformF2Sdist | Flat Earth Transformation |
| TransformF2Sz | Flat Earth Transformation |
| TransformS2Fp | Flat Earth Transformation |
| TransformS2Fz | Flat Earth Transformation |
| Traveltime | Earthquake traveltimes |