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Under Windows, you select an expression then right-click on it and choose the Speak selection menu item from the contextual menu. The voice used is the one set in the system preferences. Using Speak or SpokenString give you some options, but they do not seem to relate to the Speak Selection Menu Item mentioned above.


Mathematica uses the voice set in System Preferences for it's built-in speech functions. It determines that voice when it is launched, so to get it to recognize a new voice preference you have quit and relaunch.


Several ways to make the opener icon for cell groups visible: You can set the ShowGroupOpener to True for the current notebook using SetOptions[EvaluationNotebook[], ShowGroupOpener -> True] If you want the icon to show in all notebooks in the current front-end session use SetOptions[$FrontEndSession, ShowGroupOpener -> True] To get the opener ...


This should remove the "toolbar" from the Notebook: SetOptions[EvaluationNotebook[], DockedCells -> {}] If that cell remained after changing styles I think it is a glitch and should be reported.


The option GraphicsBoxOptions -> {ImageSize -> 500} can be set for the plot in several ways. (The option PreserveImageOptions is the one that controls what happens when the output cell is replaced. By default, the current size in output cell is preserved.) Stylesheet One can create a new style, say, "LargeImageSize" by editing the stylesheet (menu ...


Something like this? This seems to be controlled by WindowElements nb = CreateDocument[ TextCell[StringJoin[Table["abcd ", {50}]], "Text", PageWidth -> 1200], WindowElements -> {}];


To input lists, use Ctrl+, which creates two place holders like so: You can move between them with Tab (forward) and Shift+Tab (backward), but not after you've entered a value. You can create a new column/element with Ctrl+, again and a new row with Ctrl+Enter. You can use this form anywhere you need a list/matrix: Documentation: Entering Tables ...


I believe this is the documentation you are looking for: String Representation of Boxes Notably: And:


These are Operator Input Forms Characters that are not letters, letter‐like forms, or structural elements are treated by the Wolfram Language as operators. The Wolfram Language has built‐in rules for interpreting all operators. The functions to which these operators correspond may or may not, however, have built‐in evaluation or other rules. ... ...


The following functions will load the expressions and erroneous cells from a notebook: notebookExpressions[path_, pattern_:_] := Cases[Import[path, "Notebook"] // First , c:Cell[_, "Input"|"Output"|"Print", ___] :> Module[{v = eval[c]}, v /; MatchQ[v, _$Failed | Hold[pattern]]] , Infinity ] eval[cell_] := Quiet @ Check[ ...


I classify your question as "Serious" thus, here is my answer. In many cases I have found myself in situations where a "canonical solution" does not seem to exist for a given problem found while creating Mathematica solutions. In those cases I tend to create a reasonable enough solution. When I read your question I remembered that a couple of years ago I ...


This is just a warning, not an error. You can go to Edit->Preferences->System and include your trusted notebooks in the "Edit Trusted Directories...".

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