Privacy policy
Effective 2026-11-06. Operator: Olsen Industries LLC, 2A Floyd Drive, Totowa, NJ 07512.
The calculator processes numbers locally in your browser. We do not receive calculator inputs or save them in cookies or browser storage. There are no accounts, advertising, analytics scripts, tracking pixels or email sign-ups.
Cloudflare may process ordinary request information, such as an IP address and the requested URL, to deliver and protect hosted pages under its own policies. We do not collect this through application code.
If you email us, we use the message and contact details to address your request. Avoid sending sensitive information. Contact contact@silvercoinnotebook.com for privacy questions, correction or deletion requests concerning correspondence.
Outbound source and provider links open sites with their own policies. This page must be reviewed before any tracking, advertising or new data collection is introduced.