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Breakthrough Technologies makes complicated mathematics simple for both amateur sailors and engineers, Sailfish Yacht Analyzer™ offers a a simple but powerful tool for analyzing the performance.
Polar diagrams. Polar Diagrams are used to determine the optimum course to sail, given existing wind conditions.
Optimum up/down wind angles. A number of diagrams for optimum angles can be computed.
Parametric analysis. The Parametric Analysis is a technique whereby all design variables, except one, are held constant.