Re: math (was: Re: not good proposal: "C-z <letter>" reserved for users)

[Jean Louis]

* Emanuel Berg via Users list for the GNU Emacs text editor 
<help-gnu-emacs@gnu.org> [2021-02-13 17:56]:
> > Jean Louis wrote:
> >
> >> (defun pct-of-number-in-total (number total)
> >>  "Return the percentage that NUMBER represents in a TOTAL."
> >>  (let* ((percent (/ (float total) 100))
> >>         (percentage (/ (float number) percent)))
> >>    percentage))
> >
> > (defun percent (n d)
> >   (let ((pct (* 100 (/ n d 1.0))))
> >     (message "%.1f%%" pct)))
> >
> > (percent 13973 204612) ; 6.8%
> 
> The 1.0 and (float) just don't look good. Maybe one should do
> it onee time and be done with

Thanks, I knew somebody will improve it for free.

Now I will use:

(defun pct-of-number-in-total (number total)
  "Return the percentage that NUMBER represents in a TOTAL."
  (/ number total 0.01))