This paper describes the Mathematica package FeynArts used for the generati
on and visualization of Feynman diagrams and amplitudes. The main features
of version 3 are: generation of diagrams in three levels, user-definable mo
del files, support for supersymmetric models, and publication-quality Feymn
an diagrams in PostScript or IATEX. (C) 2001 Elsevier Science B.V. All righ
ts reserved.