Mathematica Tutorial: Notebooks And Documents - Wolfram Research

92 Notebooks and DocumentsIf you use the notebook front end for Mathematica, then each piece of output that is generatedwill by default be in the style of the cell in which the output appears. By usingStyle@expr, "style"D however, you can tell Mathematica to output a particular expression in adifferent style.In[5]:=Here is an expression output in the style normally used for section headings.Style@x^2 + y^2, "Section"DOut[5]= x 2 + y 2"Cells as Mathematica Expressions" describes in more detail how cell styles work. By usingStyle@expr, "style", optionsD you can generate output that is in a particular style, but with certainoptions modified.Representing Textual Forms by BoxesAll textual and graphical forms in Mathematica are ultimately represented in terms of nestedcollections of boxes. Typically the elements of these boxes correspond to objects that are to beplaced at definite relative positions in two dimensions.In[1]:=Here are the boxes corresponding to the expression a + b.ToBoxes@a + bDOut[1]= RowBox@8a, +, b