NumXL vs. SigmaPlot

NumXL is a suite of time series Excel add-ins. It transforms your Microsoft Excel application into a first-class time series software and econometrics tool, offering the kind of statistical accuracy offered by the far more expensive statistical packages. NumXL integrates natively with Excel, adding scores of econometric functions, a rich set of shortcuts, and intuitive user interfaces to guide you through the entire process.

SigmaPlot is a comprehensive scientific software designed to meet the needs of scientists, professional researchers, and engineers by facilitating advanced data analysis and visualization. Its award-winning interface and intuitive wizard technology guide users step-by-step through graph creation and data analysis, enabling the production of high-quality graphs and statistical analyses that surpass the capabilities of standard spreadsheet software.