Learn why the Excel AGGREGATE function fails with arrays and how to fix value errors using helper columns or dynamic LAMBDA and BYROW formulas.
Before you blame Excel, check whether your formulas are scanning a million empty rows.
Embed Excel formula comments directly into your math using the N and REPT functions to keep your spreadsheet documentation ...
Modern Excel functions like IFS, SWITCH, XLOOKUP, SUMIFS, and LET replace most nested IF use cases.