> For a long time the idea of 0 wasn't natural. Yes! A long time ago I read a wonderful little book on just this bit of history: https://www.amazon.com/Zero-

> For a long time the idea of 0 wasn't natural. Yes! A long time ago I read a wonderful little book on just this bit of history: https://www.amazon.com/Zero-Biography-Dangerous-Charles-Seife/dp/0140296476 https://www.amazon.com/Zero-Biography-Dangerous-Charles-Seif...