Hi Bob,

Good question. I am not familiar with the implementation of COUNTW but if it does the same thing (it sounds like it does) then it can certainly be used. I am just used to making my own functions because I like to be able to have control over implementation and add features as I wish. But in the case of something as simple as finding the length of a list, there's probably not a lot I'd want to add beyond what COUNTW already does.