Exactly - accountants count cents (or maybe mils), they do not measure/approximate them. If I buy 2 apples at 3 for a dollar, the cost gets normalized to cents

Exactly - accountants count cents (or maybe mils), they do not measure/approximate them. If I buy 2 apples at 3 for a dollar, the cost gets normalized to cents before further adding up on the bill. Self promotion: I've written about this topic before, and there is an aspect of trying to use fractions with relatively prime denominators that comes into play - http://roboprogs.com/devel/2010.02.html http://roboprogs.com/devel/2010.02.html