I am using TeXworks, which I think uses LaTeX2e.
I am working on a book, but can't seem to make the index show up in the PDF.
A simple program I use would look like:
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You need to write also \makeindex in the document header. And you need to run the Makeindex tool, you can click it in the TeXworks typeset list box of available engines.
But imakeindex makes it much easier - no extra Makeindex run needed.
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And: Currently, Packt sells ebooks for $4.99 each if you buy 5 of their over 1000 ebooks. If you choose only a single one, $9.99. How about combining 3 LaTeX books with Python, gnuplot, mathplotlib, Matlab, ChatGPT or other AI books? Epub and PDF. Bundle (3 books, add more for higher discount): https://packt.link/MDH5p