Thanks Siggy. I'll keep that in mind. I thought there may be these kinds of 
issues.
--

>If you go with BigDecimal, be aware that it breaks the
>equals-hashcode-compareTo contract, in that "2.0" does not equal()
>"2.00"
<http://docs.oracle.com/javase/6/docs/api/java/math/BigDecimal.html#equals
%28java.lang.Object%29>,
>and they will almost always have different hashCodes, even though
>compareTo() will tell you they are equal.
>
>This can cause problems if you put BigDecimals in a Set or Map and expect
>them to behave intuitively.
>
>Siggy
>
>Ph.D student in Computer Science
>George Mason University
>http://mason.gmu.edu/~escott8/
>