Hi there How do I write the equivalent of “if tutor ID appears in list, yes, otherwise no”? Sort of like if(tutor.id=list(5237, 8296, 4251),yes,no) but something that actually works! In other words, if the tutor id is any one of those three numbers, ...

I’m looking to count (and show the count) for duplicate values in a table, similar to how in Excel I can use the @ symbol to refer to a cell in the current row, then count how many times that row appears in the column, i.e. COUNTIF([CustomerName],[@C...