From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nick Dokos <ndokos@gmail.com>
Subject: Re: Only display hours and minutes, not seconds
Date: Wed, 30 Oct 2013 21:40:58 -0400
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Cecil Westerhof <cldwesterhof@gmail.com> writes:

> I have the following table:
> |----------|
> | Duration |
> |----------|
> | 2@ 15    |
> | 2@ 30    |
> | 2@ 30    |
> | 0@ 45    |
> |----------|
> | 8@ 0' 0" |
> |----------|
> #+TBLFM: @>$1=vsum(@2..@-1)
>
> I would like the total be displayed like:
>     8@ 00'
> instead of:
>     8@ 0' 0"
>
> Is this possible?
>

You can get close by setting org-calc-default-modes as follows:

(setq org-calc-default-modes '(calc-internal-prec 12
			       calc-float-format (float 8)
			       calc-angle-mode deg
			       calc-prefer-frac nil
			       calc-symbolic-mode nil
			       calc-date-format (YYYY "-" MM "-" DD " " Www (" " hh ":" mm))
			       calc-display-working-message t
			       calc-hms-format "%s@ %02s'"))

This is the default setting except for calc-hms-format. It does not
quite do what you want, but it's close (I expected the %02s to zero-fill
on the left, but apparently it does not for the %s format):

|----------|
| Duration |
|----------|
| 2@ 15    |
| 2@ 30    |
| 2@ 30    |
| 0@ 45    |
|----------|
| 8@  0'   |
|----------|
#+TBLFM: @>$1=vsum(@2..@-1)

-- 
Nick