issue 79: anim4.m
issue 79: anim5.m
issue 79: anim6.m
issue 79: backdist.m
issue 79: bigd.m
issue 79: bigd1.m
issue 79: bign.m
issue 79: coll.m
issue 79: ctback.m
issue 79: ctreach.m
issue 79: ctreach3D.m
issue 79: ctreach4.m
issue 79: dtback.m
issue 79: dtdist2.m
issue 79: dtreach.m
issue 79: mech.m
issue 79: reachdist.m
issue 79: reachdist5.m
issue 79: tt.m
isse 79: bign.m