When you use this website, it is unavoidable to send certain data to the web server. This is how we treat your data:
We use data which you actively enter (for instance, your profile data when you register as a new user). For the correctness guarantee, we store account data (and other data entered for calculations) for 2 months; after the guarantee for a particular calculation has expired, the data for it are deleted. When you perform mass calculations for CSV files, you have control over when the data are deleted; you can delete your file from the server immediately once you are certain you no longer need it.
Some of our services require the use of so-called cookies. Cookies are small text files which your browser stores on your own computer. Cookies may contain information about your visit on our web site. Most browsers accept cookies by default. You can, however, configure your browser such that it does not store cookies or asks you before storing a cookie. If you deny cookies, you won't be able to use all aspects of this website. For instance, you won't be able to log into your user account. Cookies are also used for Google AdSense ads. For details about Google's use of cookies and how you can control this, see here. They use information about your browsing behaviour, also on other websites, for showing you personalized ads, but they do not use your name, address, e-mail address, or phone number for this purpose.