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BUILT-IN MATHEMATICA SYMBOL
RadicalBox
RadicalBox[x, n]
is a low-level box construct that represents the displayed object 
in notebook expressions.
Details and Options
- Inside \(...\) RadicalBox[x, n] can be input as
. - In a notebook a RadicalBox can be created using Ctrl+@ or Ctrl+2, then using Ctrl+% to move to the index position. Ctrl+Space moves out of the radical.
- In StandardForm and InputForm, RadicalBox[x, n] is interpreted on input as
. - The baseline of RadicalBox[x, n] is taken to be the baseline of x.
- If RadicalBox[x, n] does not fit on a single line, it is output as
. - In StandardForm, explicit RadicalBox objects are output literally. You can use DisplayForm to see the display form of such objects.
Examplesopen all
Basic Examples (3)
Display a letter under a radical with a root index:
| In[1]:= |
Out[1]//DisplayForm= | |
 | |
A RadicalBox form is typically interpreted as a fractional power:
| In[1]:= |
| Out[1]= |  |
| In[2]:= |
Out[2]//FullForm= | |
 | |
The TraditionalForm formatting for an 
root uses RadicalBox:
| In[1]:= |
Out[1]//FullForm= | |
 | |
The formatted result looks like this:
| In[2]:= |
Out[2]//TraditionalForm= | |
 | |
New in 3
