Privacy Policy

Last updated: October 29, 2026

This Privacy Policy explains what information is collected when you use spademath.com ("SpadeMath", "we", "us").

Calculator inputs

Numbers you enter into our calculators are processed in your browser and are not sent to our servers.

Information collected automatically

Our hosting provider may process standard technical data such as IP address, browser type and pages requested in server logs, for security and performance. We do not use this data to identify you.

Cookies and advertising

We may display advertising from third-party vendors, including Google. 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, or opt out of some third-party vendors' use of cookies for personalized advertising at www.aboutads.info. Where required by law (for example in the EEA, UK and some US states), we will ask for your consent before setting non-essential cookies.

Affiliate links

Some pages may contain affiliate links, including as a participant in the Amazon Services LLC Associates Program. If you buy through these links, we may earn a commission at no extra cost to you. The retailer may set cookies to track the referral.

Analytics

If we add privacy-friendly analytics in the future, this policy will be updated to describe it.

Children

This site is not directed at children under 13, and we do not knowingly collect personal information from children.

Your rights

Depending on where you live, you may have rights to access, correct or delete personal data, or to opt out of its sale or sharing. Contact us using the details on our contact page.

Changes

We may update this policy. The date at the top shows when it last changed.