How can we help?

We welcome questions, corrections and practical feedback that can make Fynzo clearer and more accurate.

What you can contact us about

• Reporting a calculator result that appears incorrect.
• Suggesting a clearer explanation, formula or worked example.
• Sharing a reliable source that may improve an article or calculator.
• Reporting a broken link, display problem or accessibility issue.
• Asking a general question about Fynzo or its website features.

How to report a calculator issue

Please include the page URL, the values and units you entered, the result you received, and the result you expected. This helps us reproduce and review the issue.

Protect your privacy

Do not send passwords, bank details, government identification numbers, medical records, tax files or other sensitive personal information. Calculator support is general and does not replace medical, financial, tax or legal advice.

Response and contact details

Messages are reviewed as availability allows. We cannot guarantee an immediate response, but clear correction reports are prioritised. You can also email chahiryasser12@gmail.com.

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Last reviewed: July 31, 2026