How to reach me
The quickest way is email to kontakt@keypadlab.com. I usually reply within a few days, in English or German.
What helps in a message
- For a calculation error: which tool, which inputs, and the result you expected.
- For a request: what you want to calculate and what for, such as a building project, a classroom or taxes.
- For display problems: device and browser, ideally with a screenshot.
Operator
Full details about the operator are in the legal notice.