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SigmaPlot is a renowned scientific graphing and data analysis software used by researchers, scientists, and engineers to create high-quality 2D and 3D graphs, charts, and plots. Developed by Systat Software, Inc., SigmaPlot has been a trusted tool for data visualization and analysis for over three decades. The latest version, SigmaPlot 12.1, offers a wide range of features and improvements, making it an essential tool for anyone working with data.

For continued use of older versions like 12.1, users with existing valid licenses can often retrieve their serial numbers from their purchase records or contact Systat customer support.