Is it possible to use subscript and superscript in LyX without entering into math mode or inserting TeX code? For example, can I get H2O to be displayed properly without \ce{H_{2}O} or Tex code box with \textsuperscript{th} etc.?

  • 1
    H\textsubscript{2}O, but I'm not sure it's easier than \ce{H2O}
    – egreg
    Dec 2, 2015 at 17:06
  • @egreg H\textsubscript{2}O gives "Undefined control sequence". (and I updated the question in the context of LyX)
    – Sparkler
    Dec 2, 2015 at 17:09
  • @Sparkler it would be defined with a current version of latex (or use fixltx2e.sty for older releases) Dec 2, 2015 at 17:12
  • My answer to this would be "No", and that makes this a feature request on the LyX side, and not (La)TeX-related.
    – Werner
    Dec 2, 2015 at 17:31
  • 2
    @Sparkler: A wysiwyg wrapper... like ERT.
    – Werner
    Dec 2, 2015 at 17:36

1 Answer 1


Type 'H', then Insert > Formatting > Subscript, then press the right arrow (this gets you out of the subscript), then type '0'.

You can assign this operation to a key shortcut such as [Ctrl]+[,] using script-insert subscript (see also: lyx shortcut for superscript and subscript).

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