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 ...
REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a programming language. Instead of scattering your intermediate calculations ...
JANINE: Big crowd in tonight, Jeff. JEFF: Including Bob the superfan. Bob here has never actually seen Jess perform. JANINE: Let’s help him picture her in his head - we can use metaphors and similes.