[GNC] Loan Mortgage repayment assistant problem

[David Carlson]

Yup!

On the other hand, 1.29-0.71 = 0.58, so while one solution might be to
create a transaction with those particular numbers, that method generates
too much error for some calculations or combinations of values.  That is
why the developers are working to use real math whenever possible.

I recently found the hp49g+ calculator that i bought about a decade ago and
discovered that it can work either in exact or approximate CAS modes, as
they describe them.  And it still works!

David C

On Wed, Jan 9, 2019 at 11:31 AM Fred Bone <Fred.Bone at dial.pipex.com> wrote:

> On Wednesday, January 9, 2019 at 9:44, David Carlson said:
>
> > Absolutely, I was not expecting agreement with the bank, I just think the
> > creation of an unbalanced transaction is bad form.
>
> There is no reason to expect that taking three rational numbers A, B and
> C, such that A=B+C, converting to decimal and rounding to two decimal
> places, will never result in imbalance.
>
> The simplest example I can come up with is 9/7, 5/7 and 4/7 where
>  9/7 = 1.285714... -> 1.29
>  5/7 = 0.714285... -> 0.71
>  4/7 = 0.571428... -> 0.57
> with imbalance 0.01
>
>
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