Use MAP and LAMBDA to build centralized, error-proof, and auto-spilling Excel spreadsheet systems.

Let's see how the MAP function works.

Excel is one of those tools that we all know and use, but let’s be honest—most of us barely scratch the surface of its true potential. Sure, you’ve probably mastered the basics like SUM or AVERAGE, ...

Have you ever found yourself wrestling with Excel, trying to keep your total rows accurate as your data grows or shrinks? It’s a common frustration—manually updating totals every time something ...

Users will appreciate a chart that updates right before their eyes. In Microsoft Excel 2007 and Excel 2010, it's as easy as creating a table. In earlier versions, you'll need the formula method.