Hi Philipp. On Fri, 2020-02-28 at 10:24 +0100, Philipp wrote: > thank you for the fast reply and your example. The calculation would > be > > done on a headless Server as a part of a webservice... Install XVFB for that purpose.
> > Is there really no possibility to only use the formular evaluator? > > Replacing the variables to constant values would done in our > preparations... I am quite sure, it would be possible but there are much better formula parsers/evaluators available for that case: https://github.com/dkellenb/formula-evaluator https://lallafa.objecthunter.net/exp4j/ http://mathparser.org/ Good luck!