>>Rounding is supposed to be applyed to Currency value, and it is OK.
>>But it looks like rounding is applyed to each value in the expression no matter whether it is currency or not, and before the result is calculated !
>>Are you comfortable with this?
>>
>Check this blog post by Brad Schulz
>
>http://bradsruminations.blogspot.com/2009/11/throw-your-money-away.html

I like this passage from there:

*-----------------------------------------------------------
*I’ve personally never used the money datatype, and I certainly never will. 
* As the biblical saying goes: “For the love of money is the 
*root of all inaccurate calculations and currency confusion… oh yeah, and evil too.” 
*-------------------------------------------