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Re: Re: Piecewise symbol in 5.1

  • To: mathgroup at
  • Subject: [mg52339] Re: Re: Piecewise symbol in 5.1
  • From: "Dana" <delouis at>
  • Date: Wed, 24 Nov 2004 02:32:10 -0500 (EST)
  • References: <cnuoqq$ss5$>
  • Sender: owner-wri-mathgroup at

Thank you.  Your instructions fixed my problem.  I have version 5.1, running 
Windows XP Pro (with all the updates).  Mathematica ver 5.0 is also 
installed, but I think I'll remove it.  The display is much nicer now.  :>)

Thanks again.

"John Fultz" <jfultz at> wrote in message 
news:cnuoqq$ss5$1 at
> It sounds like the installation of fonts in an upgrade scenario isn't as
> reliable as it should be.  What various people are describing here is that
> some or all of the Mathematica fonts being used are coming from their 5.0
> (or possibly earlier) installation rather than the 5.1 installation.  We
> are investigating the problem to try to determine under exactly what
> circumstances this happens and how to fix it.
> I'm including some instructions below on how to fix the problem under
> Windows.  If you have difficulties, or are experiencing problems on
> platforms other than Windows, you should contact Technical Support at
> support at
> First, to determine if you have a problem, copy and paste the following
> into 5.1...
> \[ConjugateTranspose] \[Transpose] \[Piecewise]
> You should see characters which look kind of like a plus, a T, and a left
> brace.  If you don't, try rebooting your system.  If the problem still
> persists, then...
> * Open the Fonts control panel.
> * Find all fonts which begin with the name "Mathematica" and delete
>  them (if you find fonts beginning with "Math", you shouldnt' delete
>  those).
> * Double-check to make sure they're all gone.  This is important, since
>  occasionally, multiple copies of a font can be installed, and a font
>  can reappear after you deleted it.  If there are some fonts which
>  refuse to go away, reboot the system and try again.
> * In the Mathematica 5.1 installation directory, which is probably...
>      C:\Program Files\Wolfram Research\Mathematica\5.1
>  open the subdirectory
>      SystemFiles\Fonts\TrueType
> * Select all of the files in this directory, and drag them to the Fonts
>  control panel window.  You'll briefly get a progress dialog indicating
>  that the fonts are being installed.
> Sincerely,
> John Fultz
> jfultz at
> User Interface Group
> Wolfram Research, Inc.
> On Mon, 22 Nov 2004 01:28:44 -0500 (EST), Steve Luttrell wrote:
>> That's what I see as well (Mathematica 5.1 on Windows XP), except that
>> the
>> long vertical bar has a small empty rectangle at its upper right corner
>> (occasionally the rectangle is replaced by a small T). I'm fairly sure
>> this
>> isn't intentionally a new notation, so there must be a font problem
>> somewhere.
>> Steve Luttrell
>> "Murray Eisenberg" <murray at> wrote in message
>> news:cnq2vo$2fs$1 at
>>> In the downloadable AddendumV51.pdf, the display of a piecewise
>>> definition, e.g., of
>>> Piecewise[{{x < 0, -1}, {x >= 0, 1}}]
>>> is shown with a large curly brace to the left of the pieces.  But in my
>>> Mathematica 5.1 under Windows 5.1, I see a long vertical bar.
>>> What do you see?
>>> --
>>> Murray Eisenberg                     murray at
>>> Mathematics & Statistics Dept.
>>> Lederle Graduate Research Tower      phone 413 549-1020 (H)
>>> University of Massachusetts                413 545-2859 (W)
>>> 710 North Pleasant Street            fax   413 545-1801
>>> Amherst, MA 01003-9305

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