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UnderoverscriptBox

UnderoverscriptBox[x, y, z]
is the low-level box representation for in notebook expressions.
  • In a notebook, an UnderoverscriptBox can be created by using Ctrl++ to move to the underscript, then Ctrl+% to move to the overscript. Ctrl+Space moves out of the underscript or overscript position.
Display a letter with an underscript and an overscript:
An UnderoverscriptBox form is typically interpreted as an Underoverscript expression:
The standard formatting for Underoverscript uses UnderoverscriptBox:
The formatted result looks like this:
Display a letter with an underscript and an overscript:
In[1]:=
Click for copyable input
Out[1]//DisplayForm=
 
An UnderoverscriptBox form is typically interpreted as an Underoverscript expression:
In[1]:=
Click for copyable input
Out[1]=
In[2]:=
Click for copyable input
Out[2]//FullForm=
 
The standard formatting for Underoverscript uses UnderoverscriptBox:
In[1]:=
Click for copyable input
Out[1]//FullForm=
The formatted result looks like this:
In[2]:=
Click for copyable input
Out[2]=
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