Minnesota based software developer specializing in ballistics software tools for industry and individual customers.

DOS based ballistic program designed to calculate gun muzzle energy with several options.

Small arms exterior ballistics program for PCs. Features drop and velocity tables and graphs, sight angle, sight picture simulation, and the ability to generate probabilities of hits.

Exterior ballistics software that computes trajectories, velocity, flight time, and wind deflection.

Creator of the Exbal Ballistic Calculator software, dedicated to helping shooters in systemically improving with their craft.

Sports shooting software created to help improve skills in the areas of center fire rifle or sabot/rifled barrel shotgun sports and hunting.