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

When your spreadsheet has formulas piled on top of formulas, tracking and repairing errors would be agony if it weren’t for Excel’s Precedents and Dependents: cells that are referred to by a formula ...

Formulas are one of the most important components of an Excel sheet and as such, deserve–warrant–protection. You don’t want users accidentally changing formulas and impacting the purpose of your work.