You may want to use a more intuitively behaving datatype for currency, even if just to avoid flame on certain community sites on the web. Consider an integer re

You may want to use a more intuitively behaving datatype for currency, even if just to avoid flame on certain community sites on the web. Consider an integer representing ten-thousandths of a penny, if guaranteed to stay in USD or GBP, or a dedicated currency library otherwise. Currency's just one of those things that makes some people very emotional when the notion of any kind of error or rounding is mentioned.