Get in Touch
The fastest way to reach us is email. We read everything and respond to most messages within two business days.
What to Include
- Calculator corrections. The tool name, the inputs you used, the result you saw, and what you expected — that's enough for us to reproduce and fix.
- Feature requests. Tell us the decision you were trying to make; the best calculator ideas come from real problems.
- Privacy or terms questions. Include the page and the section you're asking about.
- Partnership or correction notices. Professional corrections with sources are especially welcome and are credited in page updates when significant.
Response Times
Bug reports affecting a calculator's math are prioritized and typically fixed within days. General feedback is batched into regular improvement cycles.