Privacy Policy

Last updated: August 6, 2026.

Information processed when you visit

Like most websites, the hosting environment may process technical log information such as IP address, browser type, requested page, date and time, referrer, response status and security events. Logs support operation, security and troubleshooting.

Calculator entries

The calculators run in your browser. Values entered into calculator fields are not intentionally submitted to or stored by this website. Do not enter confidential, personal, classified, controlled, export-restricted or security-sensitive inventory information.

Advertising and cookies

Pages may display Google AdSense advertising. Google and its partners may use cookies or similar technologies to deliver, measure and personalize advertising where permitted. Consent choices may be presented to visitors in the EEA, United Kingdom, Switzerland and other regions as required.

Personalized and non-personalized ads

Depending on consent, location and settings, advertisements may be personalized or non-personalized. Browser controls, consent messages and Google advertising settings may provide additional choices.

Contact and rights

The restricted contact channel is intended for corrections, privacy, legal, copyright and accessibility matters. Requests are handled according to applicable law and available identifying information.

Children

This site is general business education and is not directed to children. It does not knowingly request children’s personal information.

Security and retention

Reasonable technical measures are used, but no website can guarantee absolute security. Server logs and correspondence may be retained only as reasonably needed for security, legal, operational or recordkeeping purposes.

External links

External sites have their own privacy practices. Review their policies before submitting information.