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BUILT-IN MATHEMATICA SYMBOL

RadicalBox

is a low-level box construct that represents the displayed object

in notebook expressions.

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, explicit RadicalBox objects are output literally. You can use DisplayForm to see the display form of such objects.

Display a letter under a radical with a root index:

A RadicalBox form is typically interpreted as a fractional power:

The TraditionalForm formatting for an

root uses RadicalBox:

The formatted result looks like this:

Display a letter under a radical with a root index:

Out[1]//DisplayForm=

A RadicalBox form is typically interpreted as a fractional power:

Out[1]=

Out[2]//FullForm=

The TraditionalForm formatting for an

root uses RadicalBox:

Out[1]//FullForm=

The formatted result looks like this:

Out[2]//TraditionalForm=