Some of our books in UK school in the 1980s listed 10^12 as a billion. That does...

		b800h on May 1, 2024 \| parent \| context \| favorite \| on: New findings point to an Earth-like environment on... Some of our books in UK school in the 1980s listed 10^12 as a billion. That doesn't mean it wasn't officially changed in the early C20th though.