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For bugs, incorrect calculations, feature requests and tool suggestions, use the public support tracker. Include the tool name and reproducible steps, but never post passwords, payment details or other sensitive information.
Open a support issueBefore contacting us
- • Check the tool's guide and limitations first.
- • For reference-data differences, include the source and approximate time.
- • For privacy questions, read the Privacy Policy.
- • For general usage questions, the FAQ may answer them immediately.