3vel                    Three velocities
4mom                    Four momentum
4vel                    Four velocities
Ops.3vel                Arithmetic Ops Group Methods for 3vel objects
[.vel                   Extract or replace parts of three-velocity
boost                   Lorentz transformations
c.3vel                  Combine vectors of three-velocities and
                        four-velocities into a single vector
comm_fail               Failure of commutativity and associativty using
                        visual plots
coordnames              Coordinate names for relativity
gam                     Gamma correction
gyr                     Gyr function
lorentz-package         The Lorentz Transform in Relativistic Physics
photon                  Photons
print.3vel              Print methods for three-velocities and
                        four-velocities
r3vel                   Random relativstic velocities
reflect                 Mirrors
seq.3vel                seq method for three velocities
sol                     Speed of light and Minkowski metric
transform               The energy-momentum tensor
