Sailing Yacht Velocity Prediction Made Easy  Manipulate, Analyze & predict speed Will give you an understanding of the impact at Yacht speed when you change some parameters on a yacht. Sailfish Yacht Analyzer is a unique tool for solving technical and related problems in a simple way.  Breakthrough Technologies makes complicated mathematics simple for both amateur sailors and engineers, Sailfish Yacht Analyzer is a a simple but powerful tool for analyzing the performance of a sailing yacht. - a velocity prediction program at a fraction of the cost for similar packages!   Price: $49.95!       (Click on any miniatures for screen shots)