Learn how Excel functions can act as data using LAMBDA, LET, and BYROW, so you reuse logic and cut formula edits.

Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any ...

A practical guide to Excel sheet formulas, covering essential functions for faster calculations, cleaner data, and smoother ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Katharine Beer is a writer, editor, and archivist based in New York. She has ...