Functions like FILTER, SORTBY, UNIQUE, XLOOKUP, and VSTACK transform static grids into real-time data systems.

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

In the past two columns, we’ve looked at higher-order functions and talked a little bit about the power of functional programming. So far, the concepts we’ve covered do little to indicate how powerful ...

Have you ever found yourself wrestling with an Excel formula, wondering why a seemingly simple task feels so complicated? For years, functions like VLOOKUP, CONCAT, and OFFSET were the go-to tools for ...

The smartest thing Excel does happens in places you can't see.