Contact channel
This development deployment does not accept public messages. A verified contact address must be configured before the site is released or submitted for review.
What to include
- The page or calculator involved.
- The input that produced an unexpected result.
- The source or real-world example that suggests a correction.
- Whether the request concerns privacy, accessibility, or editorial accuracy.
Editorial corrections
Confirmed material errors are corrected under the process in our editorial policy. We do not accept payment to change an independent calculation or conclusion.