Build flexible Excel functions that automatically handle blanks, defaults, and overrides without messy nested IFs.

Does Excel open a Blank screen when you open an existing file? Microsoft Excel, for the most part, tends to work well, but there are times when it buckles and fails to perform even basic tasks. For ...

Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets ...

Excel's basic formulas work fine for simple calculations, but they quickly become cumbersome when you're dealing with complex data analysis. You end up with nested functions that are hard to read, ...