They need to be exact because they're being used for look-up values. But when you put it like that I should be rounding in the first place. Think of my question as academic :)

Edit: Okay you answered it in your post - they're approximations. To be more specific, I guess this behavior is expected - is it operating system dependent or processor or what?

In reply to Re^2: Decimal precision issue: Windows vs. Unix by whakka
in thread Decimal precision issue: Windows vs. Unix by whakka

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