Don't copy formulas cell by cell — you're working way harder than you need to.

When I first discovered Excel's dynamic array functions, my entire approach to spreadsheet design shifted. They replaced my clunky, multistep workarounds with smart, self-expanding formulas that adapt ...

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 ...

There are lots of ways to return the top or bottom n records from a data set in Microsoft Excel, but the new dynamic array functions make doing so easier than ever. Returning the top or bottom n ...

Microsoft Excel cell arrays let you store multiple rows and columns directly inside one cell. Test this beta feature to ...

You can use dynamic arrays with the other existing array functions (DIM, HBOUND, LBOUND) as long as the array has been created with MAKEARRAY or REDIM. If your program references a dynamic array ...

Excel doesn’t have a built-in AVERAGEIF() function, but you can still average values, conditionally. Excel has SumIf and CountIf, but no AverageIf. However, with a little array magic, you can get ...

In addition to the new SORT function, you may also find the new FILTER and UNIQUE array functions useful. For example, the worksheet on the next page contains a detailed listing of invoices in columns ...