Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...

The SORT and SORTBY functions let you extract certain columns and rows from a dataset and sort them in a certain order, all while preserving the source data. Even though they work in similar ways, ...

Sorting. It’s a classic problem that’s been studied for decades, and it’s a great first step towards “thinking algorithmically.” Over the years, a handful of sorting algorithms have emerged, each ...