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* calc-convert-units and degK
@ 2014-05-31  6:19 Mario Lang
  2014-05-31  7:13 ` Andreas Schwab
  2014-05-31 10:00 ` David Kastrup
  0 siblings, 2 replies; 3+ messages in thread
From: Mario Lang @ 2014-05-31  6:19 UTC (permalink / raw)
  To: emacs-devel

Hi.

Am I confused?  Or is there a bug in unit conversion?

M-x calc RET ' 10 degC RET u c degK RET

gives 10 degK

That doesn't look right.

-- 
CYa,
  ⡍⠁⠗⠊⠕



^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: calc-convert-units and degK
  2014-05-31  6:19 calc-convert-units and degK Mario Lang
@ 2014-05-31  7:13 ` Andreas Schwab
  2014-05-31 10:00 ` David Kastrup
  1 sibling, 0 replies; 3+ messages in thread
From: Andreas Schwab @ 2014-05-31  7:13 UTC (permalink / raw)
  To: Mario Lang; +Cc: emacs-devel

Mario Lang <mlang@delysid.org> writes:

> M-x calc RET ' 10 degC RET u c degK RET
>
> gives 10 degK
>
> That doesn't look right.

degC and degK represent temperature differences, and °C and K use the
same scale.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."



^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: calc-convert-units and degK
  2014-05-31  6:19 calc-convert-units and degK Mario Lang
  2014-05-31  7:13 ` Andreas Schwab
@ 2014-05-31 10:00 ` David Kastrup
  1 sibling, 0 replies; 3+ messages in thread
From: David Kastrup @ 2014-05-31 10:00 UTC (permalink / raw)
  To: Mario Lang; +Cc: emacs-devel

Mario Lang <mlang@delysid.org> writes:

> is there a bug in unit conversion?
>
> M-x calc RET ' 10 degC RET u c degK RET
>
> gives 10 degK

Those are for temperature differences.  For converting absolute
temperatures, use u t as in

C-x * * ' 10 degC RET u t degK RET

-- 
David Kastrup



^ permalink raw reply	[flat|nested] 3+ messages in thread

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2014-05-31  6:19 calc-convert-units and degK Mario Lang
2014-05-31  7:13 ` Andreas Schwab
2014-05-31 10:00 ` David Kastrup

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