> the reason for the comma instead of the dot comes from mathematics to avoid confusion with the multiplication sign · when writing I've heard that, but I thin

> the reason for the comma instead of the dot comes from mathematics to avoid confusion with the multiplication sign · when writing I've heard that, but I think it's trying to back into a rationale since it makes no sense, people do multiply by 3 digit numbers. FWIW, when I was in grade school in France, no, we didn't separate thousands by space. Then again, my school was on the border with Switzerland, so *shrug* who knows!?!