A great many Excelr users do not realize how powerful and versatile formulas can be. Additionally, some are intimidated by formulas that do not behave as expected. In this session, we step through the basic and then the more complex formula conventions. We then review the function library and discuss details on how they (functions) can best be used. Finally, we spend time reviewing some of the ways formulas can be helpful and time saving. Users that want to learn how to "program" Excelr should take this session!