After having a look at: https://www.oreilly.com/library/view/unix-text-processing/9780810462915/Chapter09.html https://www.oreilly.com/library/view/unix-text-pr

After having a look at: https://www.oreilly.com/library/view/unix-text-processing/9780810462915/Chapter09.html https://www.oreilly.com/library/view/unix-text-processing/97... and a few man pages, I figured I could play with eqn like so: eqn -Tpdf - <<eof | groff -me -T pdf > eqn.pdf .EQ sum from i=0 to infinity x sub i = pi over 2 .EN eof xdg-open eqn.pdf I did not have much success trying to force it throug groff/troff and render pretty in a (wayland) terminal - with neither `--text` (as below) or `--tty`. But perhaps there is no such "magic" renderer? eqn -Troff -Tutf8 - <<eof | groffer --text |less -R kEQ sum from i=0 to infinity x sub i = pi over 2 .EN eof