Contact Us
We read every message β usually within 1β2 business days.
What we can help with
- Tool suggestions β Tell us what tool you need and we'll evaluate it for a future release.
- Bug reports β If a tool gives an unexpected result, include the input values and expected output so we can investigate.
- Formula questions β If you want to know which standard a tool uses or why a result differs from another calculator, ask and we'll explain the methodology.
- Accuracy concerns β If you believe a tool's output is incorrect, we take that seriously. Include your reference source and we'll verify.
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Suggest a tool
Have an idea for a tool we don't have yet? We'd love to hear it.