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MathGroup Archive 1995

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Re: Question from Blind User

  • To: mathgroup at christensen.cybernetics.net
  • Subject: [mg1205] Re: [mg1178] Question from Blind User
  • From: Richard Mercer <richard at seuss.math.wright.edu>
  • Date: Tue, 23 May 1995 03:07:37 -0400

Evan,

Try executing

$PrePrint = InputForm

Then all text output will appear the same way it would be typed as a command,  
i.e. on a single line.

In[33]:=
3 x^2
Out[33]=
3*x^2

A variation on this is to use

$PrePrint = StringReplace[ToString[InputForm[#]],"*"->" "]&

This will replace the asterisk for multiplication with a space.
If you don't even want a space, remove the space from the between
the quotes in this command.

Richard Mercer


>       Just installed the DOS version of Mathematica - the
>  very last copy available, so they told me - and have
>  run up against a problem in the way it displays answers.
>  If you take the derivative of x^3, it gives the answer
>  as:
>  

>  	2 3 x
>  

>       If I use a voice synthesyser to read the answer, it
>  will come out as 2 3x.  Using a braille display
>  isn't much better, since I have to remember to look on
>  more than one line for the answer.
>  

>       Is there any way to get the program to display
>  answers in a more Fortran-like method?
>  

>       3x^2
>  

>   I don't know how useful the program will be for me, if
>  I have to look at multiple lines for the results.  It
>  is feasible to read equations spaced out on paper, but
>  except for some very early arithmetic books, braille math
>  books write equations and expressions one symbol after
>  another.  Besides, refreshable braille devices can display
>  only one line at a time, and reading answers that way
>  would involve a lot of extra keystrokes over the course
>  of just a few problems.
>  

>       I would be grateful for any help.  I would think
>  that a program as powerful as Mathematica would
>  allow for this kind of adjustment.  Since the manual is
>  rather large, I have not read it all yet.  If the answer
>  is in the documentation, just point me to it and I'll do
>  the rest.
>  



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