This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.1)


SubscriptBox[x, y]
is the low-level box representation for xy in notebook expressions.
  • In a notebook, a SubscriptBox can be created using Ctrl+_ or Ctrl+-. Ctrl+Space moves out of the subscript position.
  • The baseline of SubscriptBox[x, y] is taken to be the baseline of x.
  • SubscriptBox[x, y] is usually output with y in a smaller font than x.
Display a letter with a subscript:
A SubscriptBox form is typically interpreted as a Subscript expression:
The standard formatting for Subscript uses SubscriptBox:
The formatted result looks like this:
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