eqn

Equation preprocessor for the groff (GNU Troff) document formatting system.

See also `troff` and `groff`.

More information.

• 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}

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