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 ...
Abstract: Highly integrated data acquisition and processing (DAQP) systems play an important role in promoting the miniaturization of high-performance optical instruments. Currently, such systems are ...