Privacy Policy

This policy explains how Keisan Lab ("we", "this site") handles information about visitors.

Calculator inputs

The numbers you enter into our calculators are processed only in your browser. We do not collect or store them.

Analytics

We may use analytics services such as Google Analytics to understand how the site is used and to improve it. These services may use cookies to collect traffic data, which is collected anonymously and does not identify you personally. You can disable cookies in your browser settings. For details, see How Google uses information from sites or apps that use its services.

Advertising

We may display ads served by third-party vendors, including Google AdSense. Third-party vendors, including Google, use cookies to serve ads based on your prior visits to this website or other websites. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to this site and/or other sites on the Internet. You may opt out of personalized advertising by visiting Ads Settings. For more information, see Google's advertising policies. Where required by law, such as for visitors in the European Economic Area, the United Kingdom and Switzerland, we will ask for your consent before using cookies for personalized advertising.

Affiliate links

Some pages may contain affiliate links. If you sign up or buy through these links, we may earn a commission at no extra cost to you. Pages with affiliate links are clearly labeled.

Information you send us

If you contact us, we use the information you provide only to respond to you, and we do not share it with third parties unless required by law.

Changes to this policy

We may update this policy from time to time. Changes take effect when they are posted on this page.