Contact Us
We read every message. Corrections and calculator requests are especially welcome.
What to contact us about
- A calculator that returns a wrong or surprising result
- A calculator you would like us to build
- An accessibility problem with any page
- Broken links or content mistakes
- Press and partnership enquiries
How to reach us
Email us and we will get back to you as soon as we can. When reporting a wrong result, please include the calculator name and the exact values you entered so we can reproduce it.
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