RadicalBox

RadicalBox[x,n]
is a low-level box construct that represents the displayed object in notebook expressions.

Details and OptionsDetails 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.

ExamplesExamplesopen allclose all

Basic Examples  (3)Basic Examples  (3)

Display a letter under a radical with a root index:

In[1]:=
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Out[1]//DisplayForm=

A RadicalBox form is typically interpreted as a fractional power:

In[1]:=
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Out[1]=
In[2]:=
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Out[2]//FullForm=

The TraditionalForm formatting for an ^(th) root uses RadicalBox:

In[1]:=
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Out[1]//FullForm=

The formatted result looks like this:

In[2]:=
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Out[2]//TraditionalForm=
Introduced in 1996
(3.0)