Hmm... I guess division by zero is sort of similar. And imaginary numbers? The wiki article has some good discussion on it: https://en.wikipedia.org/wiki/0.99

Hmm... I guess division by zero is sort of similar. And imaginary numbers? The wiki article has some good discussion on it: https://en.wikipedia.org/wiki/0.999.. https://en.wikipedia.org/wiki/0.999...