GNU bug report logs - #13580
24.2.92; regression in calc-convert-units

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Package: emacs;

Reported by: "Roland Winkler" <winkler <at> gnu.org>

Date: Mon, 28 Jan 2013 22:26:02 UTC

Severity: normal

Found in version 24.2.92

Done: Jay Belanger <jay.p.belanger <at> gmail.com>

Bug is archived. No further changes may be made.

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From: Jay Belanger <jay.p.belanger <at> gmail.com>
To: "Roland Winkler" <winkler <at> gnu.org>
Cc: jay.p.belanger <at> gmail.com, 13580 <at> debbugs.gnu.org
Subject: bug#13580: 24.2.92; regression in calc-convert-units
Date: Thu, 07 Feb 2013 14:39:40 -0600

> Please recognize the difference between dimensionless and unitless.
> 3 ft/in is dimensionless, but it has the unit "ft/in". 

"The expression is unitless when simplified"

> If the user entered "kg" as the old unit of "3 ft / in" this makes no
> sense.

Of course it does, and Calc has supported this behavior for years.
When Calc asks for Old Units:...  New Units:...,
it is regarding the expression on the stack as the coefficient of the
old units.
This bug report was last modified 12 years and 103 days ago.

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