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Privacy Policy

Last updated: October 31, 2026

What CasCalc stores

The expressions you type are processed in your own browser. Your worksheet is saved in your browser's local storage so it is still there next time. It is not sent to us, and you can remove it with "Clear sheet" or by clearing your browser data.

Advertising

This site uses Google AdSense to show ads. Third-party vendors, including Google, use cookies to serve ads based on a user's prior visits to this website or other websites. Google's use of advertising cookies enables it and its partners to serve ads to users based on their visit to this site and/or other sites on the Internet.

You may opt out of personalized advertising by visiting Google Ads Settings. You can also opt out of some third-party vendors' use of cookies for personalized advertising at www.aboutads.info.

For more information, see how Google uses information from sites that use its services.

Third-party services

The page loads its math engine and fonts from public content networks (jsDelivr and Google Fonts). These services receive standard request information such as your IP address.

Children

CasCalc is a general-audience study tool and does not knowingly collect personal information from children.

Contact

Questions about this policy: codywang1@gmail.com