Excel functions, or formulas, lie at the heart of the application’s deep well of capabilities. Today we’ll tackle IF statements, a string of commands that determine whether a condition is met or not.

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 ...