Hi Michael
Thank you very much for your quick, qualified and satisfying answer!
Alexander
> Hi Alexander
>
> On Thu, Jun 21, 2012 at 12:15 PM, AW <alexander.will...@t-online.de> wrote:
> > | Values | Desc. |
> > |
> > |--------+-------|
> > |
> > | 100.00 | Value |
> > | 150.00 | Value |
> > |
> > | 250. | sum |
> > |
> > |--------+-------|
> > |
> > | 500. | End |
> >
> > #+TBLFM: @4$1=@2$1+@3$1::@5$1=vsum(@I..@II)::$1=$0 +.0; f-2
> >
> > I get at least every number in column 1 with a dot, but without ".00", as
>
> > needed:
> The ending dot is Calc syntax and means a float with fraction 0.
>
> > *Do I have to ad '; f-2' to every formula?*
>
> Yes, else the Calc result is inserted without change. There is a
> formula debugger that shows the formatting steps nicely: "C-c {"
>
> The "+.0" is necessary too to convert Calc integer to Calc float for
> some cases as shown in the example tables here:
> http://orgmode.org/worg/org-faq.html#table-float-fraction
>
> All together:
> #+TBLFM: @4$1=@2$1+@3$1 +.0; f-2::@5$1=vsum(@I..@II) +.0; f-2::$1=$0 +.0;
> f-2
>
> This is what I recommend just in general and what I do always myself
> as a habit because it can deal also with higher precision or the case
> when those of the fields resulting in an empty string should remain
> empty instead of a "0.00". If you don't want to be prepared for all
> that, for your current example you can still use just
>
> #+TBLFM: @4$1=@2$1+@3$1;%.2f::@5$1=vsum(@I..@II);%.2f::$1=$0;%.2f
>
> > And besides that, I've never seen this description "f-2". Is it explained
> > somewhere for non-mathematicians?
>
> For an explanation see the URLs to the Calc manual mentioned here
> http://orgmode.org/worg/org-faq.html#table-float-fraction
> after "For f3 and f-3 see `d f' (`calc-fix-notation')".
>
> Michael
