Privacy Policy

Calculator data

Courses, grades, credits, theme preferences, and calculator settings are stored in your browser's local storage. They are not sent to our server when you use the calculators.

Imports and exports

Import and export actions are processed in your browser. You control any JSON or CSV files that you download or choose to import.

Analytics

Google Analytics is off by default and is loaded only after you select “Accept analytics.” Google may then process device, usage, and approximate location information under its own privacy terms. Calculator course data is not included in analytics events by this application.

Advertising

After this site is approved for monetization, Google AdSense may serve and measure advertisements. Google may use cookies, local storage, device information, usage data, and approximate location to provide, limit, personalize, and measure ads under Google's own privacy terms. Calculator course data is not sent to AdSense by this application.

Where consent is required, a Google-certified consent message provides advertising choices before personalized ads are served. You can also review Google's advertising controls in My Ad Center.

Your choices

You can change your analytics choice at any time with “Analytics preferences” in the footer. Declining disables future analytics loading and removes analytics cookies that this site can access. Global Privacy Control and Do Not Track signals keep analytics disabled. Advertising choices are managed through the Google consent message or My Ad Center. You can remove calculator data with each calculator's reset control or by clearing this site's storage in your browser.

Questions

For privacy questions or corrections, open an issue in the project's GitHub repository.