The simplest way to start documenting Excel formulas like a coder is by using the N () function. Although its primary job is to convert non-numeric values into numbers, it has a hidden quirk: because ...

Tables, named ranges, line breaks, modern functions, and helper columns make Excel formulas easier to read, audit, and fix.

When you import data into Excel, if Excel determines that one of the values in a column of data contains a string, it might import all values in the column as strings, even though they are really ...