This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)

Underscript

Underscript[x, y]
is an object that formats as .
  • In a notebook, an underscript can be created using Ctrl+Plus. Ctrl+Space moves out of the underscript position.
  • Input of the form in a notebook is interpreted as Underscript[x, y].
  • The baseline of Underscript[x, y] is taken to be the baseline of x.
  • Underscript[x, y] is usually output with y in a smaller font than x.
Type x Ctrl+Plus y Ctrl+Space to enter directly:
The baseline is that of x:
In[1]:=
Click for copyable input
Out[1]=
 
Type x Ctrl+Plus y Ctrl+Space to enter directly:
In[1]:=
Click for copyable input
Out[1]=
 
The baseline is that of x:
In[1]:=
Click for copyable input
Out[1]=
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