Trust surface
Privacy
A clear account of what this version handles locally and what it does not use.
What stays on your device
Calculator inputs are processed in your browser. Session State uses localStorage on your device so its settings can persist between tools.
What this version does not use
This version has no accounts, file uploads, analytics platform, AdSense or other advertising scripts, or remote calculation API.
Policy scope
This policy will be revised before advertising or analytics is added.