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Found an error in a calculation? Want a calculator we don't have yet? We read everything.
The fastest way to reach us: hello@kingo.fun. We aim to respond within a few business days.
What to include
- For a calculation error: the calculator page, the exact inputs you used, and the result you expected.
- For a new calculator suggestion: what question it should answer and who it's for.
- For content corrections: the page URL and, if possible, a source for the correct figure.
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