0.38 should actually just be 0.40, possibly 0.35 if the seller's generous. in physical transactions nobody pays 3.1415926 dollars for anything, even if the pric

0.38 should actually just be 0.40, possibly 0.35 if the seller's generous. in physical transactions nobody pays 3.1415926 dollars for anything, even if the pricing algorithm says that's what you should charge. you just round to the nearest available coinage.