This web site uses Google AdSense to display adverts.
Information including your IP address and browser details will be sent to Google to be used for geo-targeting purposes i.e. to better serve adverts relevant to where you are located.
Users outside of the EU and California will be served personalised adverts i.e. adverts based on your visits to this site and/or other sites on the Internet.
Users in the EU and California will be served non-personalised adverts i.e. no personal information on EU and Californian users is stored or used to display adverts.
You can read more here about how Google uses this data. You may opt out of personalized advertising by visiting Ads Settings
This web site does not use an analytics service to track usage.
In order to persist user application data and settings between visits, web storage is used to store information about your use of the site in your browser. This information is only stored on your computer and is not shared or transmitted to drcalculator.com or elsewhere.
Every visit to this web site will generate entries in a log file on the web server. The information logged includes the time of access, the pages accessed and the IP address being used. These log files are stored securely on the web server and are used to measure and analyse traffic patterns.