Privacy and cookies
Calculations run in your browser. No account is requested and the grades you enter are not sent to a server. We do not store your answers locally. Hosting may process IP addresses and technical data to serve the site and prevent abuse. We use Google AdSense to manage and display advertising; Google and its partners may use cookies, identifiers and device data to measure and personalise ads when there is a valid legal basis or consent. In the EEA, United Kingdom and Switzerland, you can accept, reject or manage choices through the consent message available on the site, and later change or withdraw your choice. See Google’s policy on data from sites using its services: https://policies.google.com/technologies/partner-sites. A downloaded summary is saved voluntarily on your device. If you email us, we use your message to reply and handle the enquiry; you may request deletion. Contact: marcba2009@gmail.com.