Information we collect
ST Calculator is designed to work without an account. Calculator inputs are generally processed in your browser and are not submitted to us simply because you use a calculator.
If you send a message through our Contact form or submit feedback through our Feedback form, we receive the information you choose to provide, such as your name, email address, subject, message, and the page related to your message.
How we use information
Information submitted through Contact or Feedback is used to read, respond to, and manage your request, improve the website, and investigate reported problems.
We do not sell your submitted contact or feedback information.
Data retention
Messages submitted through the website may be retained for as long as reasonably necessary to handle the request, maintain the service, and keep appropriate records.
Third-party services
ST Calculator may use third-party services for website hosting, security, analytics, advertising, or other technical functions. Where such services are used, they may process limited technical information according to their own policies.
Security
We take reasonable measures to protect information submitted through the website. However, no internet transmission or storage system can be guaranteed to be completely secure.
Changes to this policy
We may update this Privacy Policy when the website, its services, or applicable requirements change. The updated version will be published on this page.
Contact
If you have a question about this Privacy Policy, please use our Contact page.
Last updated: September 4, 2026