tools, information and data
No installation required!!
Just visit the App in your browser, and - if you want - bookmark the App in your iPhone, iPad or Android browser - or
Apps you have visited are saved on newer devices and works offline!
Apps also works offline in newer desktop browsers!
We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.
Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.