Graphing software that also delivers the data analysis tools you need to draw solid conclusions

Data Analysis Doesn't Get Any Easier

SigmaPlot provides all the fundamental tools you need to analyze your data from basic statistics to advanced mathematical calculations. Click a toolbar button to instantly generate summary statistics including 95% and 99% confidence intervals. Run t-tests, linear and non-linear regressions with ease. You can fit a curve or plot a function and get a report of the results in seconds. Use built-in transforms to massage your data and create a unique chart, diagram or figure. With SigmaPlot - it's all so simple!

Use SigmaPlot within Microsoft Excel

Access SigmaPlot right from your active Microsoft Excel worksheet. Tedious cut-and-paste data preparation steps are eliminated when you launch SigmaPlot's Graph Wizard right from the Excel toolbar. Use Excel in-cell formulas, pivot tables, macros and date or time formats without worry. Keep your data and graphs in one convenient file.

Use the Regression Wizard to fit data easily and accurately

Fitting your data is easy with the SigmaPlot Regression Wizard. The Regression Wizard automatically determines your initial parameters, writes a statistical report, saves your equation to your SigmaPlot Notebook, and adds your results to existing graphs or creates a new one! The Regression Wizard accurately fits nearly any equation - piecewise continuous, multifunctional, weighted, Boolean functions and more - up to 10 variables and 25 parameters. You can even add your own powerful curve fits to the Regression Wizard.

Plot ANY mathematical function

Plotting user-defined and parameterized equations is only a mouseclick away with the Function Plotter. Just type the function or select one from the built-in library and specify the parameters and the range. It's that simple! Create your own built-in functions and save them for future use. Plot functions on new or existing graphs or plot multiple functions simultaneously using different parameter values. Save plotted X and Y results to the worksheet.

Manage your data efficiently

Manipulate over one billion data points in SigmaPlot's powerful scientific data worksheet. Organize graph pages, SigmaPlot or Excel data worksheets, curve fit results and reports effectively in the SigmaPlot Notebook. Run simple mathematical transforms effortlessly with point-and-click using SigmaPlot's quick transforms feature, or create powerful mathematical routines to perform complex analyses with SigmaPlot's transform language. Save time by writing a transform once, then save it for future use. Access built-in transforms or create your own. Smooth your data optimally with robust smoothing algorithms.



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