Contact & Feedback

Get in touch with us.

User feedback helps us identify broken tools, correct mathematical errors, and build useful new features. We actively review and appreciate your input.

Report a Problem

Please contact us if you notice a broken link, a tool failing to load on mobile, or a calculator returning an unexpected or mathematically incorrect result.

Share Feedback

We welcome suggestions for new calculators, missing formulas, or general usability improvements. If a tool is missing a crucial edge case, let us know.

What to include in your message

To help us reproduce and fix issues faster, please consider including:

  • The specific tool: The URL, or the exact name of the calculator or assessment.
  • Expected vs. Actual: What result you expected to get, and what the tool actually outputted.
  • Your setup: The device (e.g., iPhone, Windows PC) and browser you were using.
  • Screenshots: If visual layouts are broken, attaching a screenshot is highly appreciated.

Ready to reach out?

Whether you've found a bug or simply want to share a suggestion, you're welcome to get in touch.

Send us an Email