>No, It doesn't affect result.
>
>Try this
>

>SET DECIMAL TO 1
>lnVar1 = 44/7
>? lnVar1            && 6.3
>SET DECIMAL TO 2
>lnVar2 = 44/7
>? lnVar2            && 6.29
>? lnVar1 = lnVar2  && .T.
>
>DISP MEMO LIKE lnVar*
>
>You can see that both variables have the same internal value 6.28571429
>

So VFP stores some properties of a given expression (e.g. display value) as well as the expression. That seems like a waste of resources to me.