wdeu.de

Privacy Policy

Last updated: February 2026

This is a courtesy translation. The German version is legally binding. → German version

      Summary: This website does not use cookies or tracking. No personal data is stored or shared.
    

1. Data Controller

Werner Deuermeier
Bergstr. 41a · 34308 Bad Emstal · Germany
Email: dev@wdeu.de

2. Hosting & Log Files

This website is hosted by IONOS SE, Montabaur, Germany. Each time the site is accessed, the following data is automatically collected:

IP address, date, and time of access
Page requested, browser type, operating system

Log files are deleted after a maximum of 7 days. Legal basis: Art. 6(1)(f) GDPR. More information: IONOS Privacy Policy.

3. No Cookies, No Tracking

This website does not use cookies or any analytics or tracking tools (no Google Analytics, no Matomo, or similar).

4. Local Data Storage (Apps)

The apps MathEU and Calculo Mental store settings (language, difficulty level, progress) exclusively in local browser storage (localStorage). This data never leaves your device and can be deleted at any time by clearing your browser cache.

5. Your Rights

You have the right to access, rectify, erase, and restrict the processing of your data, as well as the right to data portability and objection. Complaints may be directed to:

Der Hessische Beauftragte für Datenschutz und Informationsfreiheit (Hessian Commissioner for Data Protection and Freedom of Information)
Postfach 3163 · 65021 Wiesbaden
datenschutz.hessen.de

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