Learn when FILTER beats XLOOKUP, when it does not, and how to handle multiple matches, nth items, and multi-condition lookups with clear steps.

Ulcerative colitis is a chronic, immune-mediated disorder of the colon, which is characterised by a relapsing–remitting course. Owing to the growing understanding of the immunopathogenesis of this ...

Taking a page from market research tactics, UC San Francisco experts are studying whether artificial intelligence (AI) can ...

The asterisk (*) is the wildcard character that represents any sequence of characters, including when there are no characters at all. It’s the most flexible of the bunch, since it can replace any ...

The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...