What does bb or bbbb represent in an EN-US TEXT function or Custom Number format mask?
On a EN-US regional system, what does B or b represent in a format mask? While it does nothing in VBA's Format function , both the TEXT function and Custom Number Formatting recognize b as a legal Number Format Code and return a number that I cannot determine the origin of. To further confuse matters, larger numbers return different values when formatted with bbbb and while blocks of sequential numbers return the same value, there are transitions when they jump ahead a digit. I do know that Excel expects the format mask to be either bb or bbbb because if B or b is supplied as a custom number