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Re: typesetting fractions

  • To: mathgroup at
  • Subject: [mg45719] Re: typesetting fractions
  • From: Paul Abbott <paul at>
  • Date: Wed, 21 Jan 2004 04:55:02 -0500 (EST)
  • Organization: The University of Western Australia
  • References: <> <> <bua2v1$ild$>
  • Sender: owner-wri-mathgroup at

In article <bua2v1$ild$1 at>,
 Murray Eisenberg <murray at> wrote:

> An underlying difficulty is that there is no separate notion of "display 
>   math" -- mathematical expressions displayed on separate lines -- as 
> opposed to math within normal paragraphs of text.  This may be an 
> unfortunate front-end design limitation.

Are you sure? You can individually control the Default FormatType for 
TextInline which, by default is set to TraditionalForm. And for "display 
math" (e.g. NumberedEquation cells in some StyleSheets), you can 
independently control the formatting.

Note that you can define your _own_ FormatType, not just be restricted 
to InputForm, OutputForm, StandardForm and TraditionalForm. Defining a 
FormatType from scratch is, of course, non-trivial but one can use 
ParentForm to define a new FormatType that inherits formats from one of 
the built-in FormatTypes.

I hope to include an example of using ParentForm in the forthcoming 
issue of The Mathematica Journal.


Paul Abbott                                   Phone: +61 8 9380 2734
School of Physics, M013                         Fax: +61 8 9380 1014
The University of Western Australia      (CRICOS Provider No 00126G)         
35 Stirling Highway
Crawley WA 6009                      mailto:paul at 

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