Tell us what would make Ziannah better

Send a correction, report a broken tool, or suggest a useful addition to the site.

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Tell us what would help, and include the page URL when it is about a specific tool or article.

  • Report a problem - include the tool URL and what you expected.
  • Request a tool or feature - describe the task it should solve.
  • Correct or suggest an article - include the page and the source you believe it should use.
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Messages are reviewed as capacity allows. A correction is checked against the relevant calculation, page, or source before a change is made. Useful messages also include tool suggestions, accessibility feedback, privacy questions, and partnership inquiries.