Re: scheme math

On Tue, 02 Dec 2025 20:59:31 +0100
Mario Domenech Goulart <[email protected]> wrote:

> Hi,
> 
> On Tue, 2 Dec 2025 12:16:11 -0700 Duke Normandin via
> Chicken-users <[email protected]> wrote:
> 
> > I have a function that sometimes returns a negative real number,
> > like "-2.0" or "-2.65"
> > For both negative and positive returned numbers, I want to
> > remove the decimal portion and return only the quotient and the
> > sign.
> >
> > I've tried `floor", 'flonum->inexact", and the list goes on, but
> > with no success.
> >
> > I'm NOT a mathematician or even very strong in arithmetic. LOL
> > So I'm asking for a possible solution. TIA ...
> 
> You can use something like (inexact->exact (round the-number)).

Thx Mario ...

> (define (F->C fahr)
    (exact->inexact (round (* 0.5556 (- fahr 32)))))
> (F->C 29)
-2.0

-- 
Duke