You may be good at Excel, but you’re spending way too much time clicking around.

Excel functions that transformed my workflow ...

Welcome to the ME 270 course website for the Spring 2026 term. The material on this site is a complement to the lecture book for the course. And, all material here is accessible without the need to ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, ...