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Because of the covid-19 pandemic, almost all the people have been forced to teach online. I was using writting apps like xournal, but my writting is awful, so I was looking for apps which emulate a blackboard and where I do not need to write by hand.

Some colleagues are using Beamer, but I would like to emulate a blackboard.

I almost did it, in the sense that I changed the background color and the size of the document in the book LaTeX style, and it seems like a blackboard. But it would be awesome if I could use in either the book or the article style something similar to the Beamer command \pause.

I would like to know is there is a command similar to \pause in Beamer but for normal styles in LaTeX like book and article.

If not, I would like to know how difficult it would be to program it in normal LaTeX.

Moreover, I would like to know if there is a LaTeX package which emulates a blackboard.

This is a topic that I wrote in this emulation of a blackboard in LaTeX -in Spanish-.

Thanks a lot.

Pedro Zambrano
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    \pause is tricky, it would be (much) easier to use beamer but using a style that drops all the header and footer and navigation ornaments and looks more like your image. Then you could use \pause and other beamer overlay features <1> etc. – David Carlisle Nov 04 '20 at 14:44
  • Thanks a lot! I already did it in that way, by using directly beamer. – Pedro Zambrano Nov 04 '20 at 16:20
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    using beamer really is the answer, as you would have to copy so much beamer code to make this work. – David Carlisle Nov 04 '20 at 16:32
  • The standaloneframe from the standalone class allows you to combine the \pause and so on facilities with any geometry you may want to use for your blackboard. –  Nov 04 '20 at 18:17
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    Reinventing the wheel? See here and here and here – Fran Nov 04 '20 at 22:04

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