Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

You can optionally name containers using a @container/{name} class, and then include that name in the container variants using classes like @lg/{name}:underline: @xs @container (min-width: 20rem /* ...

Handle millions of rows by loading queries into Power Pivot, building relationships, and creating measures for fast variance ...

The Execute Direct Query event has a duration of 2.1 seconds – meaning that again there is a gap to be explained, a gap where ...