Legal

Terms of use

Brief, plain-English terms governing your use of the site.

1. Acceptance

By using this site you accept these terms and the research-use disclaimer.

2. Permitted use

You may use the calculators for personal, educational or laboratory-research purposes. You may quote short excerpts of the editorial content with attribution and a link back to the source page.

3. Prohibited use

Scraping or systematic copying of the editorial content.
Repackaging the calculators on third-party sites without prior written permission.
Any attempt to interfere with the operation, security or availability of the site.

4. Changes

We may amend these terms at any time. Material changes will be announced via the newsletter.

5. Governing law

These terms are governed by the laws of England and Wales.