This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.

# SqrtBox

 SqrtBox[x]is a low-level box construct that represents the displayed object in notebook expressions.
• Inside SqrtBox[x] can be input as .
• In a notebook a SqrtBox can be created using Ctrl+2 or Ctrl+@. Ctrl+Space moves out from under the square root sign.
• The baseline of SqrtBox[x] is taken to be the baseline of x.
• If SqrtBox[x] does not fit on a single line, it is output as .
Display a letter under a square root sign:
A SqrtBox form is typically interpreted as a square root:
Mathematica represents a square root as a 1/2 power:
The standard formatting for a 1/2-power expression uses SqrtBox:
The formatted result looks like this:
Display a letter under a square root sign:
 Out[1]//DisplayForm=

A SqrtBox form is typically interpreted as a square root:
 Out[1]=
Mathematica represents a square root as a 1/2 power:
 Out[2]//FullForm=

The standard formatting for a 1/2-power expression uses SqrtBox:
 Out[1]//FullForm=
The formatted result looks like this:
 Out[2]=
Nested square root boxes:
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