From the summary: "if you are doing some financial math that does not need to be accurate to the penny"... Of course, if you can accept rounding errors, it is

From the summary: "if you are doing some financial math that does not need to be accurate to the penny"... Of course, if you can accept rounding errors, it is fine. But in many monetary applications, that is not OK. The article is quite pointless. Edit. For example, when doing budget forecasts, the result will never be accurate to the penny. It is then OK. But when doing accounting, you need to account for every penny. Not OK.