Contact
How to reach us
Write to us by e-mail at [email protected]. We reply in German or English.
Found an error?
Reports of calculation or content errors are our highest priority. Briefly describe which calculator and which inputs you used – we check every report.
Contact form (not yet active)
The form is a draft and still disabled. It will only be activated once a privacy-compliant transmission (including spam protection) has been set up and reviewed.