XLfit curve fitting software for Excel

XLfit 4 is the only curve-fitting and statistical analysis package that allows you to preview, build and customise charts in the same Excel workbook where you store your experimental data. XLfit 4’s expansive range of chart building and data interpretation tools are instantly accessible from your Microsoft® Excel worksheet, which means no more switching back and forth between your curve fitting programs and Excel.

New and interactive chart types

XLfit 4 offers many new fit categories and models to cater for the chart-building requirements of a wide range of industries. Generate results rapidly using three-dimensional modelling, global fitting throughout a range of data sets and automatic data point rejection.

XLfit 4 Chart Design Overlay

More on the new and interactive chart types available in XLfit 4

Excel integration

Editing your XLfit charts has never been easier – new preview and browsing features allow you to visualise each step of the chart building process and view and manipulate curves with just a click. Context-sensitive menus and curve selection trees give you instant editing access to your charts, while fully interactive previews show you how individual elements affect the curve fit.

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Enhanced mathematical methods and techniques

New models allow you to generate required results rapidly, such as PA2, global fitting, automatic outlier rejection and many more.

Read more on the enhanced mathematical methods and models.