An IF statement in Excel evaluates a condition and returns a value based on a true or false outcome. Nested IF statements allow testing multiple conditions within a single formula. You can also use ...

First, try revisiting a deeply nested IF formula six months later and making sense of it. Good luck finding the right spot to add another condition without accidentally breaking the entire chain. If ...

Excel’s SUM, DATE, WEEKDAY, IF, Nested IF, and IF/OR functions came to mind as I was watching a 1969 film called If It’s Tuesday, This Must Be Belgium, about American tourists on a whirlwind tour of ...