I feel like this video by Tom Scott does a good job explaining the numerical precision issue (as well as a rereview of CS61C) https://www.youtube.com/watch?v=PZRI1IfStY0
I feel like this video by Tom Scott does a good job explaining the numerical precision issue (as well as a rereview of CS61C) https://www.youtube.com/watch?v=PZRI1IfStY0