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Calqora

Corrections Policy

We work to keep every calculator on Calqora accurate and up to date, but mistakes can happen. If you find a formula error, a typo, a broken calculator, or an accessibility problem, please let us know.

How to report an issue

Use our contact form and select "Report calculator issue" or "Accessibility issue" as the topic. Please include:

  • The name of the calculator and its URL
  • What you entered and what result you expected
  • What result you actually got

What happens next

We review reported issues, verify the formula against its documented source, and correct any confirmed errors as quickly as possible. Thank you for helping us keep Calqora accurate.