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From: Michael Brand <michael.ch.brand@gmail.com>
To: AW <alexander.willand@t-online.de>
Cc: emacs-orgmode@gnu.org
Subject: Re: Format a whole column using ";%.2f" in orgtbl?
Date: Thu, 21 Jun 2012 18:29:00 +0200	[thread overview]
Message-ID: <CALn3zoi8Ka-dKByX858yjJyJgH+73nU1AL=Qn2j+FnOXtx8UCA@mail.gmail.com> (raw)
In-Reply-To: <3465224.sPDMcBHj5z@linux-nyil.site>

Hi Alexander

On Thu, Jun 21, 2012 at 12:15 PM, AW <alexander.willand@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

next prev parent reply	other threads:[~2012-06-21 16:29 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-06-15 14:34 Format a whole column using ";%.2f" in orgtbl? AW
2012-06-15 17:01 ` Michael Brand
2012-06-21 10:15   ` AW
2012-06-21 16:29     ` Michael Brand [this message]
2012-06-21 20:18       ` AW

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