CurveExpert is a powerful Windows program for curve fitting and data analysis that offers you a large library of functions as well as various customization capabilities. If you want to work primarily with geospatial data, you can use special utilities like QGIS.

Overview

The software features a comprehensive interface which makes it easy to insert, analyze and process data. Moreover, this utility offers you over 90 preset models that you can use, meaning that nearly all possible scenarios are covered. It is also necessary to note that it is capable of disregarding non-data found in your files.

Data visualization

CurveExpert separates its main window into individual sections that allow you to visualize and edit your input data. You have the option to preview the results in a graph or report form. Additionally, you can open a log window and see the currently deployed functions and possible errors that may occur.

To generate the graphs, the application enables you to use a considerable number of calculations. The catalog includes:

Linear Fit;
Nonlinear Model Fit;
Cubic Spline;
Polynomial Spline;
Moving Average;
Lowess Smoothing.

If those are not enough for what you need, you are also able to select and use other functions from such categories as Bessel, Hyperbolic, Legendre, Logarithmic, Special and Trigonometric.

Features

free to download and use;
compatible with modern Windows versions;
gives you the ability to analyze and process various data;
can create graphs and reports;
offers a vast library of preset models.