That's a very confused way of thinking about it IMO. I say: * Start from 0 if you are indexing. I.e. you are identifying an item or its position. * Start from

That's a very confused way of thinking about it IMO. I say: * Start from 0 if you are indexing. I.e. you are identifying an item or its position. * Start from 1 if you are counting. I.e. you are saying how many items there are. It doesn't matter what it is. I don't know why you think pages in a book are somehow different to memory addresses.