Build flexible Excel functions that automatically handle blanks, defaults, and overrides without messy nested IFs.
These four overlooked Excel features completely changed how I design spreadsheets.
Excel validation lists avoid blanks and errors with TOCOL(ignore) plus FILTER; the spill range stays stable across worksheets.
Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...