>When do you get 3.99999999996? When just :
>?INT(nX / nY),
>or when trying to store in the table?

The line is actually lnValue = INT(nX, nY) and it is m.lnValue that has the strange result. The memory variable m.lnValue is just that and never anything more. Also, m.lnValue is undefined before this point. Defining it at numeric (0) beforehand does not change the result.

TC