GNU bug report logs - #35608
26.2; Calc temperature conversions

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Message #13 received at 35608 <at> debbugs.gnu.org (full text, mbox):

From: "Harris, Bill" <wsharris <at> snopud.com>
To: Mauro Aranda <maurooaranda <at> gmail.com>
Cc: "35608 <at> debbugs.gnu.org" <35608 <at> debbugs.gnu.org>
Subject: RE: bug#35608: 26.2; Calc temperature conversions
Date: Mon, 6 May 2019 21:27:21 +0000

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Thank you, Mauro.  I thought it gave absolute temperatures in previous versions (26.1, for example), but I just checked on version 25.1, and it, too, does as you say.

Bill

From: Mauro Aranda <maurooaranda <at> gmail.com>
Sent: Monday, May 6, 2019 2:19 PM
To: Harris, Bill <wsharris <at> snopud.com>
Cc: 35608 <at> debbugs.gnu.org
Subject: Re: bug#35608: 26.2; Calc temperature conversions

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"Harris, Bill" <wsharris <at> snopud.com<mailto:wsharris <at> snopud.com>> writes:

> I entered '10 degC' and then
> u c degF
> I got 18, not the expected 50.

Hello.

That's because ‘u c’ treats temperature units as relative, and not as
absolute.  The result you got means that a change of 10 degrees Celsius
equals to a change of 18 degrees Fahrenheit.

You need to use ‘u t’ (calc-convert-temperature) to convert an absolute
temperature from one scale to another.  With that command, you'll get
the expected 50 degF.

Best regards,
Mauro.

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