NumXL is an easy-to-use statistical tool available as an Excel add-in. NumXL allows you to apply advanced econometric analysis quickly and easily through an intuitive user interface right in excel. In a few clicks, you can analyze, build, validate, back-test, and forecast your models. You can also track and make changes to your data and share your models with others. NumXL offers a comprehensive array of statistical functions that provides everything you need for data analysis and graphics.