What is curve fitting toolbox?
Curve Fitting Toolbox™ provides an app and functions for fitting curves and surfaces to data. The toolbox lets you perform exploratory data analysis, preprocess and post-process data, compare candidate models, and remove outliers.
How to do curve fitting in Excel?
Curve Fitting in Excel with Charts
First, create a scatter chart. Then right click on the data series and select “Add Trendline…” In the Format Trendline pane, select the options to Display Equation on chart and Display R-Squared value on chart.