1D display in Maxima (Was Re: [Maxima] Maybe some work...)

--- Jason White <jasonw@ariel.ucs.unimelb.edu.au> wrote:
> While on the subject of display, is it possible to set a variable
> that
> will configure Maxima always to present its output in the same linear
> format that is used for input?
> 
> This would be very helpful, especially to users of "linear" output
> devices such as speech synthesizers and braille displays. I suspect
> it
> would also make the output easier to process for GUI front-ends and
> other such tools.

Two possibilities which address these points - 

Variable: DISPLAY2D 
default: [TRUE] - if set to FALSE will cause the standard display to be
a string (1-dimensional) form rather than a display (2-dimensional)
form. This may be of benefit for users on printing consoles who would
like to conserve paper. 


Variable: DISPLAY_FORMAT_INTERNAL 
default: [FALSE] - if set to TRUE will cause expressions to be
displayed without being transformed in ways that hide the internal
mathematical representation. The display then corresponds to what the
INPART command returns rather than the PART command. Examples: 
User     PART       INPART
a-b;      A - B     A + (- 1) B
           A            - 1
a/b;       -         A B
           B
                       1/2
sqrt(x);   SQRT(X)    X
          4 X        4
X*4/3;    --        - X
           3         3



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