Privacy

Calculator inputs are processed locally by the JavaScript on this site. This edition does not submit calculator values to an application server and does not include analytics or advertising scripts.

Browser storage

The site saves your chosen colour theme and a short list of recently opened calculator pages in local browser storage. Your numeric inputs are not saved. You can remove these preferences by clearing this site’s browser data.

Hosting and external links

The hosting service may process connection information needed to serve the site, such as an IP address and request logs. External reference links operate under their own policies.