Re: ob-calc duplicate stack-element issue

[Heiko Schmidt <Heiko.Schmidt@webbedtables.de>]

Hi Marco,


On 18.03.20 15:47, Marco Wahl wrote:
> Okay. I take here the "any advice is appreciated" part.
> AFAICS at the org babel calc evaluation the last value of the calc stack
> gets dropped.
>
> So your workaround is okay, I think.  You can just write any dummy
> element at the bottom of each block e.g. just 0.  No need of
> duplication.  Looks a bit hackish to me but so what?
Oh no. You're completely right. This simplifying clarification is 
already quite helpful. Just putting 0 on top of stack is enough. 
Terrifying simple.
> Another approach could be "noweb".  Example (you would just evaluate the
> block at the bottom):
>
> --8<---------------cut here---------------start------------->8---
> Number of cars (PKW) in germany:
>
> #+name: numcars
> #+begin_src calc :exports both
> 45e6
> #+end_src
>
> Yearly mileage in [km/y]
>
> #+name: mileage
> #+begin_src calc :exports both
> 15000
> #+end_src
>
> Calculate amount of complete km per year
>
> #+begin_src calc :noweb yes
> <<numcars>>
> <<mileage>>
> '*
> #+end_src
> --8<---------------cut here---------------end--------------->8---
>
>
> HTH,
> -- Marco
>
 From my point of view "variablizing" distracts me to much. I'd prefer 
more to comment via "literate" description of the numbers.