Oakdale Engineering develops DataFit curve fitting (nonlinear regression) and data plotting software, as well as DataFitX ActiveX curve fitting engine.In addition to browsing our web site in order to learn more about our products and services, we invite you download fully functioning evaluation copies of DataFit and DataFitX in order to see them in action before purchasing them. We are confident that you will see our products were designed with both accuracy and ease of use in mind. The philosophy at Oakdale Engineering is that the simplicity of the curve fitting process is just as important as achieving accurate results. (Source: