  We propose a new symbolic algorithm and a C++ program for generating and
calculating supersymmetric Feynman diagrams for ${\cal N}=1$ supersymmetric
electrodynamics regularized by higher derivatives in four dimensions. According
to standard rules, the program generates all diagrams that are necessary to
calculate a specific contribution to the two-point Green function of matter
superfields in the needed order, and then reduces the answer to the sum of
Euclidean momentum integrals. At the moment, the program was used to calculate
the anomalous dimension in ${\cal N}=1$ supersymmetric quantum electrodynamics,
regularized by higher derivatives, in the three-loop approximation.
