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Boxes are the underlying representation of two-dimensional forms in notebooks.

2
votes
1answer
made of boxes which, like every expression in Mathematica, have a the structure of a tree. I would have naively thought that what can be selected in an output cell is any subtree of that tree. E.g. in …
asked Apr 11 '16 by Bruno Le Floch
3
votes
1answer
the bigger selection. This still fails for "ab+cd+b+c" (both if we work with boxes and if work with expressions). It also changes the selection, which makes it harder to apply something to the … comparing the saved SelectedCells[] to the new one to find which part changed. But I am not fluent enough with boxes yet to succeed. (The following test that boxes can be turned into an expression may be …
asked Apr 10 '16 by Bruno Le Floch
3
votes
1answer
This is a followup of "How to check for Mathematica’s definition of XY?, a question by uli on how to access the definition of a built-in symbol. That question focused on Binomial but mentioned that i …
asked May 5 '16 by Bruno Le Floch
1
vote
0answers
?). To get boxes into a string one can use the \!\(...\) syntax or the \*... syntax, so for instance, I can get a FractionBox of a over b by doing "\*" <> ToString[ToBoxes[a/b]] Better …
asked Jun 21 '16 by Bruno Le Floch
9
votes
1answer
Applying ToExpression and ToBoxes repeatedly to Hold[1/1] gives many 1, which seems strange. In[11]:= Nest[(ToExpression[ToBoxes[#]] &), Hold[1/1], 10] Out[11]= Hold[1 (1 (1 (1 (1 (1 (1 (1 (1 (1 (1 …
asked Apr 11 '16 by Bruno Le Floch