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Re: Prefix Forms on the BasicMath Palette

  • To: mathgroup at smc.vnet.net
  • Subject: [mg84156] Re: Prefix Forms on the BasicMath Palette
  • From: Murray Eisenberg <murray at math.umass.edu>
  • Date: Wed, 12 Dec 2007 01:15:33 -0500 (EST)
  • Organization: Mathematics & Statistics, Univ. of Mass./Amherst
  • Reply-to: murray at math.umass.edu

I opened BasicMath Palette.nb in a text editor and located the 
corresponding entries for those two buttons to be:

    RowBox[{
          SuperscriptBox["\[InvisiblePrefixScriptBase]",
          "\[Placeholder]"], "\[SelectionPlaceholder]"}]

    RowBox[{
          SubscriptBox["\[InvisiblePrefixScriptBase]",
          "\[Placeholder]"], "\[SelectionPlaceholder]"}]

The \[InvisiblePrefixScriptBase] is documented in the Documentation 
Center on the page ref/character/InvisiblePrefixScriptBase as a 
"Mathematica character".

Evidently, as others have noted, one cannot use the combinations shown 
as is from the palette in order to create a legitimate symbol.  (Perhaps 
there's some way, though, to include it in a larger construction in 
order to create a symbol. I looked in the Notations package and didn't 
directly see a way with Symbolize there.)

However, a Text cell definitely can accept such a thing, e.g., with x as 
the Placeholder and y as the SelectionPlaceholder.


David Park wrote:

 > On the BasicMath Palette there are two forms that appear to have sub >
 > and super scripts in a prefix position. They are the two items on the
 > right in the next to last row.

 > These do not appear to work at all, and there does not appear to be
 > corresponding names for them. Does anyone how these work and what one 
 > can do with them?

-- 
Murray Eisenberg                     murray at math.umass.edu
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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