In this hands-on project, we put the INGCO 160A DC Inverter welding machine to the test by fabricating a fully functional steel grappling hook. Along the way, we evaluate the welder’s arc stability, ...

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

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 ...