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 ...

Geoff’s column hunts for how tech can make your life better — and advocates for you when tech lets you down. Got a question ...

Whole-column references in Excel are silent performance killers, often forcing the program to manage a range of over a ...