* Table formula referencing cells with HH:MM time strings, incorrect result
@ 2009-09-25 18:41 Jeff Kowalczyk
2009-09-28 7:13 ` Carsten Dominik
0 siblings, 1 reply; 2+ messages in thread
From: Jeff Kowalczyk @ 2009-09-25 18:41 UTC (permalink / raw)
To: emacs-orgmode
I am trying to use HH:MM time strings from clocktables in a table formula. First
time I've used table formulas, BTW.
When fetching the cells as remote(), I got strange results. The behavior is the
same for regular references, so here's a regular-reference test case:
| 17:36 | 17:36 |
| 19:45 | 19:45 |
| 24:53 | 24:53 |
| 40:57 | 40:57 |
| 43:02 | 43:2 |
| 45:14 | 45:14 |
| 46:09 | 46:9 |
| 48:56 | 6:7 |
| 49:28 | 7:4 |
| 55:18 | 55:18 |
| 80:10 | 8 |
| 88:14 | 44:7 |
#+TBLFM: $2=$1
The objective is to multiply time (decimal) by a constant, so if anyone has a
tip for parsing HH:MM using a function instead of reinventing, thanks in advance.
Thanks,
Jeff
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Table formula referencing cells with HH:MM time strings, incorrect result
2009-09-25 18:41 Table formula referencing cells with HH:MM time strings, incorrect result Jeff Kowalczyk
@ 2009-09-28 7:13 ` Carsten Dominik
0 siblings, 0 replies; 2+ messages in thread
From: Carsten Dominik @ 2009-09-28 7:13 UTC (permalink / raw)
To: Jeff Kowalczyk; +Cc: emacs-orgmode
On Sep 25, 2009, at 7:41 PM, Jeff Kowalczyk wrote:
> I am trying to use HH:MM time strings from clocktables in a table
> formula. First
> time I've used table formulas, BTW.
>
> When fetching the cells as remote(), I got strange results. The
> behavior is the
> same for regular references, so here's a regular-reference test case:
>
> | 17:36 | 17:36 |
> | 19:45 | 19:45 |
> | 24:53 | 24:53 |
> | 40:57 | 40:57 |
> | 43:02 | 43:2 |
> | 45:14 | 45:14 |
> | 46:09 | 46:9 |
> | 48:56 | 6:7 |
> | 49:28 | 7:4 |
> | 55:18 | 55:18 |
> | 80:10 | 8 |
> | 88:14 | 44:7 |
> #+TBLFM: $2=$1
>
> The objective is to multiply time (decimal) by a constant, so if
> anyone has a
> tip for parsing HH:MM using a function instead of reinventing,
> thanks in advance.
HH:MM is interpreted by calc a integer division. For example 80/10 = 8
and 49/28=7/4
I think for this kind of stuff you need to work with Emacs lisp
formulas,
for example
#+TBLFM: $2='(/ (float (org-hh:mm-string-to-minutes $1)) 60.);%.2f
HTH
- Carsten
>
> Thanks,
> Jeff
>
>
>
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