You are right, long division is not very fundamental but the concept of division is. I have addressed this issue in a comment in a thread here [1]. [1] https:

You are right, long division is not very fundamental but the concept of division is. I have addressed this issue in a comment in a thread here [1]. [1] https://news.ycombinator.com/item?id=12034345 https://news.ycombinator.com/item?id=12034345