While using Microsoft Excel for data analysis, you may sometimes need to search for and retrieve specific values. In such cases, Excel's LOOKUP function can be extremely useful. It allows you to ...

To check if a value exists in an array, we can loop through its elements. However there is another solution! You can use the INDEX () function, native to Excel and in ...

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 ...

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 ...

Turns out half my old formulas were just dynamic arrays in disguise, written the long way.