eqn

Equation preprocessor for the groff (GNU Troff) document formatting system. See also troff and groff. More information: https://manned.org/eqn.

• Process input with equations, saving the output for future typesetting with groff to PostScript:

eqn {{path/to/input.eqn}} > {{path/to/output.roff}}

• Typeset an input file with equations to PDF using the [me] macro package:

eqn -T {{pdf}} {{path/to/input.eqn}} | groff -{{me}} -T {{pdf}} > {{path/to/output.pdf}}