I am completing the index of a book. After the page number, when the page refers to an exercice, I would like to add an (e). For instance:

rotation ..... 117, 510(e), 1124

Is this easily possible? Many thanks in advance!

1 Answer 1


Define the command \newcommand{\ex}[1]{#1(e)} in the preamble of your document. Then, when you use the \index command within an exercise, use it as follows: \index{example|ex}.

  • Many thanks José! It works beautifully well, and it is also very simple. I was afraid it would interfere with the subcategories of the index or entries afrer @, but it does not. It is perfect!
    – Franck
    Jan 11, 2018 at 17:28

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