One reason people hesitate with LAMBDA is the assumption that it requires learning something entirely new. It doesn't. Every ...

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 ...

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...