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From: "Roland Winkler" <winkler@gnu.org>
To: 10554@debbugs.gnu.org
Subject: bug#10554: 24.0.92; No units specified (dimensionless quantities in Emacs Calc)
Date: Wed, 18 Jan 2012 23:24:41 -0600	[thread overview]
Message-ID: <8762g8i7s6.fsf@niu.edu> (raw)

In Calc type

'e T m^2 / hbar

Convert this to SI units with u c si RET
- That's perfect. We get a dimensionless number.
Let's try again. In Calc type (more my range of numbers)

'e T nm^2 / hbar

Now when we type again u c, Calc remembers what we did before.
So as a unit it offers "default 1". Let's take this default.
So just type RET

Error: No units specified

In other words: if an expression with units simplifies to a
dimensionless number, Calc does not accept the unit "1", though it
even offers this unit as a default for calc-convert-units.


In GNU Emacs 24.0.92.1 (x86_64-unknown-linux-gnu, GTK+ Version 2.20.1)
 of 2011-12-14 on regnitz
Windowing system distributor `The X.Org Foundation', version 11.0.10706000






             reply	other threads:[~2012-01-19  5:24 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-19  5:24 Roland Winkler [this message]
2012-01-19 21:45 ` bug#10554: 24.0.92; No units specified (dimensionless quantities in Emacs Calc) Jay Belanger
2012-01-19 22:33   ` Roland Winkler
2012-01-20  4:53     ` Jay Belanger
2012-01-20  8:34       ` Roland Winkler
2012-01-20 16:48         ` Jay Belanger
2012-01-20 17:55           ` Roland Winkler
2012-01-20 19:10             ` Jay Belanger
2012-01-20 20:30               ` Roland Winkler
2012-01-20 20:54                 ` Jay Belanger
2012-01-20 22:10                   ` Roland Winkler
2012-01-21  0:00                     ` Jay Belanger
2012-01-21  9:24                       ` Roland Winkler
2012-01-21 14:45                         ` Jay Belanger
2012-01-21 15:12                           ` Roland Winkler
2012-01-21 15:28                             ` Jay Belanger
2012-01-21 15:42                         ` Jay Belanger
2012-01-21 16:03                           ` Roland Winkler
2012-01-20 20:36               ` Roland Winkler
2012-01-21  4:21 ` Jay Belanger

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