soo wrote:

>  > (fmt -1 10 0)
>  | "       -1."       ; Is this on purpose?
>
> Yes, it expresses that -1. is inexact number.

I would mark "-1." as an error, if a student
wrote it. I don't think "-1." is correct mathematical
syntax.

Besides the -1 given to FMT is an exact number.

--
Jens Axel Søgaard