We welcome your feedback. Please send questions or comments to [email protected].
What to reach out about
We’d especially like to hear about:
Calculator bug reports. If a tool returns a result that looks wrong, tell us the inputs you used and what you expected — it helps us reproduce and fix the issue quickly. You can read how we check our tools on the Calculator Testing page.
Article corrections. If you spot a factual error or something out of date, let us know. Correcting mistakes is part of our Editorial Policy.
Topic suggestions. If there is a concept you wish we explained, or a calculator you wish existed, we’d love to hear it.