This makes pointer arithmetic much easier, but pointing arithmetic much harder.

The simple difference between ordinal and cardinal numbering.

It's definitely not consistent in the states. We use both.

Edit: Oh wait, ground to first? Every time I hear a Brit make fun of the US I have to wonder what crack he's on to lack the self awareness. That's idiotic.

The 0 floor?

I remember it by pretending that the Brits require kindergarten and Americans don't.

In Hungary, we also have a base floor depending on the building, as some are built on a mountain side.